./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/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 3774d82389353be2170e26cc4e53c0d06e3cb94d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:18:03,215 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:18:03,216 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:18:03,223 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:18:03,223 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:18:03,223 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:18:03,224 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:18:03,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:18:03,226 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:18:03,227 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:18:03,228 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:18:03,228 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:18:03,228 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:18:03,229 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:18:03,230 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:18:03,230 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:18:03,230 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:18:03,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:18:03,232 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:18:03,233 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:18:03,234 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:18:03,235 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:18:03,237 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:18:03,237 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:18:03,237 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:18:03,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:18:03,238 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:18:03,239 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:18:03,240 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:18:03,240 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:18:03,240 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:18:03,241 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:18:03,241 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:18:03,241 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:18:03,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:18:03,242 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:18:03,242 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 08:18:03,252 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:18:03,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:18:03,253 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:18:03,253 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 08:18:03,254 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:18:03,254 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:18:03,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:18:03,254 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:18:03,254 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:18:03,254 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:18:03,255 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:18:03,255 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:18:03,255 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:18:03,255 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:18:03,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:18:03,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:18:03,255 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:18:03,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:18:03,255 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 08:18:03,256 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 08:18:03,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:18:03,256 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:18:03,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:18:03,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:18:03,256 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:18:03,256 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:18:03,256 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 08:18:03,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:18:03,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:18:03,257 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_f2421f6f-8877-49a2-90cc-508c47df822d/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 -> 3774d82389353be2170e26cc4e53c0d06e3cb94d [2018-11-23 08:18:03,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:18:03,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:18:03,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:18:03,295 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:18:03,296 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:18:03,296 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c [2018-11-23 08:18:03,340 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/data/eed9f7468/7ea53e693fa3453096f730c13bcf9020/FLAGe15d0563d [2018-11-23 08:18:03,795 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:18:03,796 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c [2018-11-23 08:18:03,805 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/data/eed9f7468/7ea53e693fa3453096f730c13bcf9020/FLAGe15d0563d [2018-11-23 08:18:04,318 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/data/eed9f7468/7ea53e693fa3453096f730c13bcf9020 [2018-11-23 08:18:04,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:18:04,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:18:04,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:18:04,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:18:04,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:18:04,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04, skipping insertion in model container [2018-11-23 08:18:04,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:18:04,370 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:18:04,587 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:18:04,591 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:18:04,656 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:18:04,724 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:18:04,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04 WrapperNode [2018-11-23 08:18:04,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:18:04,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:18:04,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:18:04,726 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:18:04,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:18:04,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:18:04,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:18:04,771 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:18:04,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2018-11-23 08:18:04,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:18:04,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:18:04,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:18:04,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:18:04,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:18:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 08:18:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:18:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:18:06,135 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:18:06,135 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 08:18:06,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:06 BoogieIcfgContainer [2018-11-23 08:18:06,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:18:06,136 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 08:18:06,136 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 08:18:06,143 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 08:18:06,144 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:06" (1/1) ... [2018-11-23 08:18:06,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:18:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 08:18:06,176 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 08:18:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 08:18:06,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:06,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:06,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-11-23 08:18:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-11-23 08:18:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 08:18:06,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2018-11-23 08:18:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-11-23 08:18:07,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 08:18:07,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2018-11-23 08:18:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2018-11-23 08:18:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 08:18:07,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2018-11-23 08:18:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2018-11-23 08:18:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 08:18:07,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:18:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-11-23 08:18:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-11-23 08:18:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 08:18:07,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 08:18:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:07,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2018-11-23 08:18:07,882 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-11-23 08:18:07,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 08:18:07,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2018-11-23 08:18:08,324 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2018-11-23 08:18:08,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 08:18:08,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:08,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:08,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2018-11-23 08:18:08,783 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2018-11-23 08:18:08,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 08:18:08,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 201 states and 329 transitions. [2018-11-23 08:18:09,118 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 329 transitions. [2018-11-23 08:18:09,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 08:18:09,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:09,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 205 states and 335 transitions. [2018-11-23 08:18:09,182 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 335 transitions. [2018-11-23 08:18:09,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 08:18:09,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:09,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:09,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 220 states and 360 transitions. [2018-11-23 08:18:09,872 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 360 transitions. [2018-11-23 08:18:09,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 08:18:09,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:10,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 221 states and 363 transitions. [2018-11-23 08:18:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 363 transitions. [2018-11-23 08:18:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 08:18:10,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:10,134 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:18:10,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:10,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 230 states and 371 transitions. [2018-11-23 08:18:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 371 transitions. [2018-11-23 08:18:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 08:18:10,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 08:18:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 244 states and 395 transitions. [2018-11-23 08:18:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 395 transitions. [2018-11-23 08:18:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 08:18:11,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 08:18:11,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:11,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 245 states and 398 transitions. [2018-11-23 08:18:11,249 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 398 transitions. [2018-11-23 08:18:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 08:18:11,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 254 states and 410 transitions. [2018-11-23 08:18:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 410 transitions. [2018-11-23 08:18:11,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 08:18:11,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:11,582 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 08:18:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:11,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 257 states and 414 transitions. [2018-11-23 08:18:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 414 transitions. [2018-11-23 08:18:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 08:18:11,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:11,721 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:18:11,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 258 states and 414 transitions. [2018-11-23 08:18:11,754 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 414 transitions. [2018-11-23 08:18:11,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 08:18:11,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:11,776 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 265 states and 422 transitions. [2018-11-23 08:18:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 422 transitions. [2018-11-23 08:18:11,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 08:18:11,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 292 states and 458 transitions. [2018-11-23 08:18:12,747 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 458 transitions. [2018-11-23 08:18:12,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 08:18:12,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:18:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 307 states and 479 transitions. [2018-11-23 08:18:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 479 transitions. [2018-11-23 08:18:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 08:18:13,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:18:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 308 states and 480 transitions. [2018-11-23 08:18:13,512 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 480 transitions. [2018-11-23 08:18:13,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 08:18:13,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 323 states and 499 transitions. [2018-11-23 08:18:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 499 transitions. [2018-11-23 08:18:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 08:18:14,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 326 states and 502 transitions. [2018-11-23 08:18:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 502 transitions. [2018-11-23 08:18:14,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 08:18:14,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 329 states and 505 transitions. [2018-11-23 08:18:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 505 transitions. [2018-11-23 08:18:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 08:18:14,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:18:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 331 states and 507 transitions. [2018-11-23 08:18:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 507 transitions. [2018-11-23 08:18:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 08:18:14,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 08:18:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 354 states and 535 transitions. [2018-11-23 08:18:15,170 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 535 transitions. [2018-11-23 08:18:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 08:18:15,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:15,244 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 08:18:16,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 446 states and 640 transitions. [2018-11-23 08:18:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 640 transitions. [2018-11-23 08:18:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 08:18:16,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:16,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 451 states and 646 transitions. [2018-11-23 08:18:16,863 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 646 transitions. [2018-11-23 08:18:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 08:18:16,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:16,919 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 08:18:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 458 states and 653 transitions. [2018-11-23 08:18:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 653 transitions. [2018-11-23 08:18:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 08:18:17,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 08:18:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 466 states and 660 transitions. [2018-11-23 08:18:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 660 transitions. [2018-11-23 08:18:17,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 08:18:17,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:18:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 470 states and 665 transitions. [2018-11-23 08:18:17,604 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 665 transitions. [2018-11-23 08:18:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 08:18:17,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 08:18:17,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 479 states and 676 transitions. [2018-11-23 08:18:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 676 transitions. [2018-11-23 08:18:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 08:18:17,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:17,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 487 states and 684 transitions. [2018-11-23 08:18:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 684 transitions. [2018-11-23 08:18:17,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 08:18:17,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:18,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 505 states and 712 transitions. [2018-11-23 08:18:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 712 transitions. [2018-11-23 08:18:18,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 08:18:18,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:19,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:19,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 525 states and 736 transitions. [2018-11-23 08:18:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 736 transitions. [2018-11-23 08:18:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 08:18:19,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:19,204 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 548 states and 773 transitions. [2018-11-23 08:18:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 773 transitions. [2018-11-23 08:18:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 08:18:19,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:20,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:20,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 559 states and 786 transitions. [2018-11-23 08:18:20,434 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 786 transitions. [2018-11-23 08:18:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 08:18:20,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:20,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 582 states and 810 transitions. [2018-11-23 08:18:20,663 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 810 transitions. [2018-11-23 08:18:20,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 08:18:20,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:20,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 591 states and 821 transitions. [2018-11-23 08:18:20,951 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 821 transitions. [2018-11-23 08:18:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 08:18:20,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 598 states and 827 transitions. [2018-11-23 08:18:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 827 transitions. [2018-11-23 08:18:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 08:18:21,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 613 states and 841 transitions. [2018-11-23 08:18:21,450 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 841 transitions. [2018-11-23 08:18:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 08:18:21,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 654 states and 894 transitions. [2018-11-23 08:18:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 894 transitions. [2018-11-23 08:18:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 08:18:22,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:23,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:23,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 665 states and 905 transitions. [2018-11-23 08:18:23,147 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 905 transitions. [2018-11-23 08:18:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 08:18:23,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:23,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:23,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 666 states and 905 transitions. [2018-11-23 08:18:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 905 transitions. [2018-11-23 08:18:23,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 08:18:23,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 08:18:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 671 states and 913 transitions. [2018-11-23 08:18:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 913 transitions. [2018-11-23 08:18:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 08:18:23,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:18:24,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:24,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 697 states and 941 transitions. [2018-11-23 08:18:24,384 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 941 transitions. [2018-11-23 08:18:24,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:18:24,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:18:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 708 states and 956 transitions. [2018-11-23 08:18:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 956 transitions. [2018-11-23 08:18:24,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:18:24,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:24,549 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:18:24,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:24,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 710 states and 958 transitions. [2018-11-23 08:18:24,730 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 958 transitions. [2018-11-23 08:18:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:18:24,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:18:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 725 states and 974 transitions. [2018-11-23 08:18:25,059 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 974 transitions. [2018-11-23 08:18:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:18:25,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:18:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:25,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 740 states and 988 transitions. [2018-11-23 08:18:25,289 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 988 transitions. [2018-11-23 08:18:25,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 08:18:25,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:18:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 760 states and 1009 transitions. [2018-11-23 08:18:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1009 transitions. [2018-11-23 08:18:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 08:18:25,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:18:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 763 states and 1013 transitions. [2018-11-23 08:18:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1013 transitions. [2018-11-23 08:18:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 08:18:25,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 775 states and 1033 transitions. [2018-11-23 08:18:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1033 transitions. [2018-11-23 08:18:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 08:18:26,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 08:18:26,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:26,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 793 states and 1053 transitions. [2018-11-23 08:18:26,824 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1053 transitions. [2018-11-23 08:18:26,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 08:18:26,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:26,848 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 08:18:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 804 states and 1065 transitions. [2018-11-23 08:18:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1065 transitions. [2018-11-23 08:18:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 08:18:27,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 08:18:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 821 states and 1083 transitions. [2018-11-23 08:18:27,805 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1083 transitions. [2018-11-23 08:18:27,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 08:18:27,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:27,866 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 08:18:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 849 states and 1113 transitions. [2018-11-23 08:18:28,565 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1113 transitions. [2018-11-23 08:18:28,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 08:18:28,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:28,597 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 853 states and 1120 transitions. [2018-11-23 08:18:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1120 transitions. [2018-11-23 08:18:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 08:18:28,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 08:18:29,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 881 states and 1153 transitions. [2018-11-23 08:18:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1153 transitions. [2018-11-23 08:18:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 08:18:29,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 08:18:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 902 states and 1178 transitions. [2018-11-23 08:18:30,366 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1178 transitions. [2018-11-23 08:18:30,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 08:18:30,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 08:18:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 940 states and 1218 transitions. [2018-11-23 08:18:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1218 transitions. [2018-11-23 08:18:30,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 08:18:30,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:30,956 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 08:18:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 960 states and 1247 transitions. [2018-11-23 08:18:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1247 transitions. [2018-11-23 08:18:31,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 08:18:31,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:31,878 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 08:18:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 978 states and 1268 transitions. [2018-11-23 08:18:32,391 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1268 transitions. [2018-11-23 08:18:32,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 08:18:32,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 08:18:32,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:32,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 983 states and 1273 transitions. [2018-11-23 08:18:32,539 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1273 transitions. [2018-11-23 08:18:32,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 08:18:32,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-23 08:18:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 986 states and 1276 transitions. [2018-11-23 08:18:32,598 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1276 transitions. [2018-11-23 08:18:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 08:18:32,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:32,637 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:18:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1011 states and 1299 transitions. [2018-11-23 08:18:32,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1299 transitions. [2018-11-23 08:18:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 08:18:32,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 08:18:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1031 states and 1320 transitions. [2018-11-23 08:18:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1320 transitions. [2018-11-23 08:18:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 08:18:33,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 08:18:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1035 states and 1325 transitions. [2018-11-23 08:18:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1325 transitions. [2018-11-23 08:18:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 08:18:33,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1077 states and 1370 transitions. [2018-11-23 08:18:35,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1370 transitions. [2018-11-23 08:18:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 08:18:35,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 109 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:37,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1155 states and 1453 transitions. [2018-11-23 08:18:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1453 transitions. [2018-11-23 08:18:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 08:18:37,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 161 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 08:18:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:40,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1190 states and 1497 transitions. [2018-11-23 08:18:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1497 transitions. [2018-11-23 08:18:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 08:18:40,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-23 08:18:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1192 states and 1499 transitions. [2018-11-23 08:18:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1499 transitions. [2018-11-23 08:18:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 08:18:40,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 08:18:41,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1226 states and 1544 transitions. [2018-11-23 08:18:41,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1544 transitions. [2018-11-23 08:18:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 08:18:41,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 08:18:42,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:42,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1263 states and 1592 transitions. [2018-11-23 08:18:42,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1592 transitions. [2018-11-23 08:18:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 08:18:42,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 08:18:43,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1273 states and 1601 transitions. [2018-11-23 08:18:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1601 transitions. [2018-11-23 08:18:43,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 08:18:43,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 08:18:46,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:46,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1325 states and 1655 transitions. [2018-11-23 08:18:46,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1655 transitions. [2018-11-23 08:18:46,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 08:18:46,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 08:18:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:47,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1331 states and 1661 transitions. [2018-11-23 08:18:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1661 transitions. [2018-11-23 08:18:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 08:18:47,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-23 08:18:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1367 states and 1699 transitions. [2018-11-23 08:18:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1699 transitions. [2018-11-23 08:18:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 08:18:48,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-23 08:18:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1404 states and 1736 transitions. [2018-11-23 08:18:48,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1736 transitions. [2018-11-23 08:18:48,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 08:18:48,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-23 08:18:49,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:49,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1414 states and 1746 transitions. [2018-11-23 08:18:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1746 transitions. [2018-11-23 08:18:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 08:18:49,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 08:18:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1425 states and 1757 transitions. [2018-11-23 08:18:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1757 transitions. [2018-11-23 08:18:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 08:18:50,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:50,286 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 08:18:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1436 states and 1770 transitions. [2018-11-23 08:18:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1770 transitions. [2018-11-23 08:18:51,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 08:18:51,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:51,081 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 08:18:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:51,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1440 states and 1776 transitions. [2018-11-23 08:18:51,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1776 transitions. [2018-11-23 08:18:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 08:18:51,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:51,348 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 08:18:51,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:51,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1444 states and 1781 transitions. [2018-11-23 08:18:51,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1781 transitions. [2018-11-23 08:18:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 08:18:51,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:51,855 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1454 states and 1795 transitions. [2018-11-23 08:18:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1795 transitions. [2018-11-23 08:18:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 08:18:52,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1471 states and 1816 transitions. [2018-11-23 08:18:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1816 transitions. [2018-11-23 08:18:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-23 08:18:53,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 08:18:53,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1476 states and 1820 transitions. [2018-11-23 08:18:53,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1820 transitions. [2018-11-23 08:18:53,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 08:18:53,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1493 states and 1838 transitions. [2018-11-23 08:18:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1838 transitions. [2018-11-23 08:18:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 08:18:54,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:54,806 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1495 states and 1840 transitions. [2018-11-23 08:18:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1840 transitions. [2018-11-23 08:18:54,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 08:18:54,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 08:18:55,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:55,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1507 states and 1851 transitions. [2018-11-23 08:18:55,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1851 transitions. [2018-11-23 08:18:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 08:18:55,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 08:18:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1521 states and 1871 transitions. [2018-11-23 08:18:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1871 transitions. [2018-11-23 08:18:55,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 08:18:55,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 08:18:56,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1532 states and 1882 transitions. [2018-11-23 08:18:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1882 transitions. [2018-11-23 08:18:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 08:18:56,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 08:18:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1547 states and 1898 transitions. [2018-11-23 08:18:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1898 transitions. [2018-11-23 08:18:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 08:18:57,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 08:18:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:58,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1557 states and 1907 transitions. [2018-11-23 08:18:58,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1907 transitions. [2018-11-23 08:18:58,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 08:18:58,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:58,296 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-23 08:19:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1583 states and 1936 transitions. [2018-11-23 08:19:00,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1936 transitions. [2018-11-23 08:19:00,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-23 08:19:00,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 08:19:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1594 states and 1946 transitions. [2018-11-23 08:19:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1946 transitions. [2018-11-23 08:19:00,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-23 08:19:00,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-23 08:19:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1596 states and 1947 transitions. [2018-11-23 08:19:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1947 transitions. [2018-11-23 08:19:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:19:00,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 08:19:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:01,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1613 states and 1965 transitions. [2018-11-23 08:19:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 1965 transitions. [2018-11-23 08:19:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:19:01,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:01,820 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 08:19:02,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1614 states and 1966 transitions. [2018-11-23 08:19:02,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 1966 transitions. [2018-11-23 08:19:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-23 08:19:02,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:03,643 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:19:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 1694 states and 2051 transitions. [2018-11-23 08:19:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2051 transitions. [2018-11-23 08:19:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-23 08:19:07,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:19:08,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 1714 states and 2070 transitions. [2018-11-23 08:19:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2070 transitions. [2018-11-23 08:19:08,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 08:19:08,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:08,972 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 08:19:10,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:10,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 1743 states and 2103 transitions. [2018-11-23 08:19:10,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2103 transitions. [2018-11-23 08:19:10,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 08:19:10,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 08:19:11,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1783 states and 2143 transitions. [2018-11-23 08:19:11,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2143 transitions. [2018-11-23 08:19:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 08:19:11,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 08:19:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1784 states and 2143 transitions. [2018-11-23 08:19:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2143 transitions. [2018-11-23 08:19:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 08:19:11,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 08:19:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1787 states and 2145 transitions. [2018-11-23 08:19:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2145 transitions. [2018-11-23 08:19:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 08:19:11,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:11,910 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-23 08:19:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1857 states and 2218 transitions. [2018-11-23 08:19:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2218 transitions. [2018-11-23 08:19:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 08:19:12,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 08:19:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:12,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1881 states and 2240 transitions. [2018-11-23 08:19:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2240 transitions. [2018-11-23 08:19:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 08:19:12,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 08:19:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 1893 states and 2251 transitions. [2018-11-23 08:19:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2251 transitions. [2018-11-23 08:19:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 08:19:13,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 08:19:13,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:13,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1898 states and 2255 transitions. [2018-11-23 08:19:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2255 transitions. [2018-11-23 08:19:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-23 08:19:13,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-23 08:19:13,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 1902 states and 2260 transitions. [2018-11-23 08:19:13,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2260 transitions. [2018-11-23 08:19:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 08:19:13,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-11-23 08:19:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 1918 states and 2278 transitions. [2018-11-23 08:19:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2278 transitions. [2018-11-23 08:19:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 08:19:14,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-11-23 08:19:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1929 states and 2289 transitions. [2018-11-23 08:19:15,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2289 transitions. [2018-11-23 08:19:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 08:19:15,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-11-23 08:19:16,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:16,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 1940 states and 2299 transitions. [2018-11-23 08:19:16,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2299 transitions. [2018-11-23 08:19:16,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 08:19:16,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-11-23 08:19:16,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1960 states and 2319 transitions. [2018-11-23 08:19:16,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2319 transitions. [2018-11-23 08:19:16,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-23 08:19:16,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-11-23 08:19:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:17,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 1964 states and 2322 transitions. [2018-11-23 08:19:17,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2322 transitions. [2018-11-23 08:19:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-23 08:19:17,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-23 08:19:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 1971 states and 2330 transitions. [2018-11-23 08:19:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2330 transitions. [2018-11-23 08:19:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-23 08:19:17,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-23 08:19:18,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:18,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 1978 states and 2337 transitions. [2018-11-23 08:19:18,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2337 transitions. [2018-11-23 08:19:18,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-23 08:19:18,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 356 proven. 39 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 08:19:22,371 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-11-23 08:19:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2032 states and 2399 transitions. [2018-11-23 08:19:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2399 transitions. [2018-11-23 08:19:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 08:19:23,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-23 08:19:24,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2038 states and 2404 transitions. [2018-11-23 08:19:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2404 transitions. [2018-11-23 08:19:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 08:19:24,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-23 08:19:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:27,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2170 states and 2553 transitions. [2018-11-23 08:19:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2553 transitions. [2018-11-23 08:19:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 08:19:27,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 08:19:29,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2189 states and 2582 transitions. [2018-11-23 08:19:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2582 transitions. [2018-11-23 08:19:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 08:19:29,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 08:19:29,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2200 states and 2593 transitions. [2018-11-23 08:19:29,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2593 transitions. [2018-11-23 08:19:29,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 08:19:29,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 08:19:30,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2208 states and 2600 transitions. [2018-11-23 08:19:30,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2600 transitions. [2018-11-23 08:19:30,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-23 08:19:30,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-23 08:19:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2223 states and 2614 transitions. [2018-11-23 08:19:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2614 transitions. [2018-11-23 08:19:31,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-23 08:19:31,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-23 08:19:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2233 states and 2623 transitions. [2018-11-23 08:19:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2623 transitions. [2018-11-23 08:19:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-23 08:19:31,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-11-23 08:19:36,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:36,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2274 states and 2669 transitions. [2018-11-23 08:19:36,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 2669 transitions. [2018-11-23 08:19:36,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-23 08:19:36,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-11-23 08:19:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2281 states and 2675 transitions. [2018-11-23 08:19:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2675 transitions. [2018-11-23 08:19:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-23 08:19:37,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-11-23 08:19:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2305 states and 2702 transitions. [2018-11-23 08:19:41,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2702 transitions. [2018-11-23 08:19:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-23 08:19:41,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:42,495 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-11-23 08:19:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:45,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2335 states and 2735 transitions. [2018-11-23 08:19:45,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2735 transitions. [2018-11-23 08:19:45,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-23 08:19:45,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-11-23 08:19:47,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:47,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2348 states and 2747 transitions. [2018-11-23 08:19:47,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2747 transitions. [2018-11-23 08:19:47,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-23 08:19:47,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-23 08:19:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2380 states and 2787 transitions. [2018-11-23 08:19:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 2787 transitions. [2018-11-23 08:19:49,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-23 08:19:49,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-23 08:19:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:50,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2388 states and 2794 transitions. [2018-11-23 08:19:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2794 transitions. [2018-11-23 08:19:50,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-23 08:19:50,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-11-23 08:19:51,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2396 states and 2802 transitions. [2018-11-23 08:19:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2802 transitions. [2018-11-23 08:19:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-23 08:19:51,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-11-23 08:19:51,286 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-11-23 08:19:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:19:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2437 states and 2843 transitions. [2018-11-23 08:19:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2843 transitions. [2018-11-23 08:19:52,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-23 08:19:52,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:19:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:19:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 08:20:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:20:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 2612 states and 3058 transitions. [2018-11-23 08:20:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3058 transitions. [2018-11-23 08:20:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-23 08:20:06,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:20:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:20:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-11-23 08:20:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:20:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 2635 states and 3090 transitions. [2018-11-23 08:20:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 3090 transitions. [2018-11-23 08:20:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-11-23 08:20:08,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:20:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:20:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-11-23 08:20:13,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:20:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 2573 states and 3022 transitions. [2018-11-23 08:20:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3022 transitions. [2018-11-23 08:20:13,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:20:13,102 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 139 iterations. [2018-11-23 08:20:13,109 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 08:20:13,436 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 36 [2018-11-23 08:20:13,633 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2018-11-23 08:20:13,791 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-11-23 08:20:13,912 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2018-11-23 08:20:14,105 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-23 08:20:14,269 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 36 [2018-11-23 08:20:14,440 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 26 [2018-11-23 08:20:14,703 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-11-23 08:20:14,911 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-23 08:20:15,080 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 36 [2018-11-23 08:20:15,251 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 11 [2018-11-23 08:20:15,608 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 36 [2018-11-23 08:20:15,816 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2018-11-23 08:20:15,934 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-11-23 08:20:16,781 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-11-23 08:20:16,985 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-11-23 08:20:17,203 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 33 [2018-11-23 08:20:17,348 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-11-23 08:20:17,466 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-11-23 08:20:17,781 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2018-11-23 08:20:18,380 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 36 [2018-11-23 08:20:18,520 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 38 [2018-11-23 08:20:18,920 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-11-23 08:20:19,074 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2018-11-23 08:20:19,188 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2018-11-23 08:20:19,289 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 33 [2018-11-23 08:20:19,482 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 36 [2018-11-23 08:20:19,482 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:20:19,484 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-23 08:20:19,489 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-23 08:20:19,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:20:19 ImpRootNode [2018-11-23 08:20:19,490 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 08:20:19,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:20:19,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:20:19,491 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:20:19,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:06" (3/4) ... [2018-11-23 08:20:19,494 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:20:19,509 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 08:20:19,509 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 08:20:19,510 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 08:20:19,600 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f2421f6f-8877-49a2-90cc-508c47df822d/bin-2019/ukojak/witness.graphml [2018-11-23 08:20:19,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:20:19,601 INFO L168 Benchmark]: Toolchain (without parser) took 135280.27 ms. Allocated memory was 1.0 GB in the beginning and 4.4 GB in the end (delta: 3.4 GB). Free memory was 955.5 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-11-23 08:20:19,601 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:20:19,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -200.0 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:20:19,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:20:19,602 INFO L168 Benchmark]: Boogie Preprocessor took 43.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:20:19,602 INFO L168 Benchmark]: RCFGBuilder took 1321.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 916.1 MB in the end (delta: 226.2 MB). Peak memory consumption was 226.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:20:19,603 INFO L168 Benchmark]: CodeCheck took 133354.01 ms. Allocated memory was 1.2 GB in the beginning and 4.4 GB in the end (delta: 3.2 GB). Free memory was 916.1 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-11-23 08:20:19,603 INFO L168 Benchmark]: Witness Printer took 109.61 ms. Allocated memory is still 4.4 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:20:19,604 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, 198 locations, 1 error locations. SAFE Result, 126.9s OverallTime, 139 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 542387796 SDtfs, -212767878 SDslu, -1040651806 SDs, 0 SdLazy, -1465862136 SolverSat, -1719513504 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 426.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167489 GetRequests, 164116 SyntacticMatches, 1851 SemanticMatches, 1522 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1618208 ImplicationChecksByTransitivity, 109.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 24591 NumberOfCodeBlocks, 24591 NumberOfCodeBlocksAsserted, 138 NumberOfCheckSat, 24453 ConstructedInterpolants, 0 QuantifiedInterpolants, 18538700 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 138 InterpolantComputations, 126 PerfectInterpolantSequences, 27266/27680 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: 464]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a16 == 6) || a8 == 15) || a17 == 1) || (((((!(a21 == 1) && a7 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a16 == 6) || a8 == 15) || a17 == 1) || (((((!(a21 == 1) && a7 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 403.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -200.0 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1321.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 916.1 MB in the end (delta: 226.2 MB). Peak memory consumption was 226.2 MB. Max. memory is 11.5 GB. * CodeCheck took 133354.01 ms. Allocated memory was 1.2 GB in the beginning and 4.4 GB in the end (delta: 3.2 GB). Free memory was 916.1 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. * Witness Printer took 109.61 ms. Allocated memory is still 4.4 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...