./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/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 cae8686038ca87cfc982771df117a4c5585b00bb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:16:37,219 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:16:37,220 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:16:37,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:16:37,226 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:16:37,227 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:16:37,227 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:16:37,228 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:16:37,229 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:16:37,229 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:16:37,230 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:16:37,230 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:16:37,231 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:16:37,231 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:16:37,232 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:16:37,232 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:16:37,232 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:16:37,233 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:16:37,234 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:16:37,235 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:16:37,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:16:37,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:16:37,237 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:16:37,237 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:16:37,237 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:16:37,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:16:37,238 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:16:37,238 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:16:37,239 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:16:37,239 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:16:37,240 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:16:37,240 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:16:37,240 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:16:37,240 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:16:37,241 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:16:37,241 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:16:37,241 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 14:16:37,248 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:16:37,248 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:16:37,249 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:16:37,249 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 14:16:37,249 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:16:37,249 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:16:37,249 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:16:37,249 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:16:37,250 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 14:16:37,250 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 14:16:37,251 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:16:37,251 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:16:37,251 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:16:37,251 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:16:37,251 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:16:37,251 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:16:37,251 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 14:16:37,251 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:16:37,251 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:16:37,251 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_4c4698a2-19ee-47db-805b-e087509c947c/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 -> cae8686038ca87cfc982771df117a4c5585b00bb [2018-12-02 14:16:37,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:16:37,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:16:37,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:16:37,277 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:16:37,277 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:16:37,277 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c [2018-12-02 14:16:37,323 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/data/95e869bf1/78768087b51b4487b717b869c213d091/FLAG390068ce1 [2018-12-02 14:16:37,770 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:16:37,771 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/sv-benchmarks/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c [2018-12-02 14:16:37,780 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/data/95e869bf1/78768087b51b4487b717b869c213d091/FLAG390068ce1 [2018-12-02 14:16:37,792 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/data/95e869bf1/78768087b51b4487b717b869c213d091 [2018-12-02 14:16:37,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:16:37,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:16:37,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:16:37,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:16:37,799 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:16:37,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:16:37" (1/1) ... [2018-12-02 14:16:37,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:37, skipping insertion in model container [2018-12-02 14:16:37,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:16:37" (1/1) ... [2018-12-02 14:16:37,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:16:37,839 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:16:38,022 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:16:38,025 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:16:38,109 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:16:38,118 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:16:38,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38 WrapperNode [2018-12-02 14:16:38,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:16:38,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:16:38,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:16:38,119 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:16:38,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38" (1/1) ... [2018-12-02 14:16:38,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38" (1/1) ... [2018-12-02 14:16:38,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:16:38,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:16:38,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:16:38,157 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:16:38,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38" (1/1) ... [2018-12-02 14:16:38,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38" (1/1) ... [2018-12-02 14:16:38,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38" (1/1) ... [2018-12-02 14:16:38,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38" (1/1) ... [2018-12-02 14:16:38,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38" (1/1) ... [2018-12-02 14:16:38,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38" (1/1) ... [2018-12-02 14:16:38,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38" (1/1) ... [2018-12-02 14:16:38,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:16:38,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:16:38,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:16:38,186 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:16:38,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:16:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:16:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:16:39,214 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:16:39,214 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 14:16:39,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:16:39 BoogieIcfgContainer [2018-12-02 14:16:39,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:16:39,215 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 14:16:39,215 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 14:16:39,221 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 14:16:39,221 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:16:39" (1/1) ... [2018-12-02 14:16:39,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:16:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:39,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-02 14:16:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-02 14:16:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 14:16:39,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:39,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:39,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:39,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2018-12-02 14:16:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2018-12-02 14:16:39,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 14:16:39,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:39,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:16:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 164 states and 243 transitions. [2018-12-02 14:16:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 243 transitions. [2018-12-02 14:16:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 14:16:39,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:40,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:40,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-02 14:16:40,083 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-02 14:16:40,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 14:16:40,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-02 14:16:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-02 14:16:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 14:16:40,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:40,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 217 states and 319 transitions. [2018-12-02 14:16:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2018-12-02 14:16:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 14:16:40,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:16:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 239 states and 354 transitions. [2018-12-02 14:16:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 354 transitions. [2018-12-02 14:16:41,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 14:16:41,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:16:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 242 states and 359 transitions. [2018-12-02 14:16:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 359 transitions. [2018-12-02 14:16:41,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 14:16:41,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:41,437 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:16:41,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 256 states and 375 transitions. [2018-12-02 14:16:41,707 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 375 transitions. [2018-12-02 14:16:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 14:16:41,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 260 states and 380 transitions. [2018-12-02 14:16:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 380 transitions. [2018-12-02 14:16:41,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 14:16:41,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:42,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 264 states and 387 transitions. [2018-12-02 14:16:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 387 transitions. [2018-12-02 14:16:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 14:16:42,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:42,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 267 states and 391 transitions. [2018-12-02 14:16:42,229 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 391 transitions. [2018-12-02 14:16:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 14:16:42,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:42,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 290 states and 425 transitions. [2018-12-02 14:16:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 425 transitions. [2018-12-02 14:16:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 14:16:42,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:16:43,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 369 states and 512 transitions. [2018-12-02 14:16:43,265 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 512 transitions. [2018-12-02 14:16:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 14:16:43,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:43,284 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 387 states and 534 transitions. [2018-12-02 14:16:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 534 transitions. [2018-12-02 14:16:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 14:16:43,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:43,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:43,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 389 states and 535 transitions. [2018-12-02 14:16:43,662 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 535 transitions. [2018-12-02 14:16:43,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 14:16:43,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 411 states and 569 transitions. [2018-12-02 14:16:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 569 transitions. [2018-12-02 14:16:44,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 14:16:44,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 414 states and 572 transitions. [2018-12-02 14:16:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 572 transitions. [2018-12-02 14:16:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 14:16:44,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 417 states and 575 transitions. [2018-12-02 14:16:44,797 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 575 transitions. [2018-12-02 14:16:44,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 14:16:44,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 435 states and 597 transitions. [2018-12-02 14:16:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 597 transitions. [2018-12-02 14:16:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 14:16:45,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:45,438 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:45,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 438 states and 600 transitions. [2018-12-02 14:16:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 600 transitions. [2018-12-02 14:16:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 14:16:45,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 445 states and 608 transitions. [2018-12-02 14:16:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 608 transitions. [2018-12-02 14:16:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 14:16:45,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 451 states and 616 transitions. [2018-12-02 14:16:46,053 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 616 transitions. [2018-12-02 14:16:46,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 14:16:46,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 457 states and 626 transitions. [2018-12-02 14:16:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 626 transitions. [2018-12-02 14:16:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 14:16:46,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 460 states and 630 transitions. [2018-12-02 14:16:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 630 transitions. [2018-12-02 14:16:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-02 14:16:46,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:46,996 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 471 states and 643 transitions. [2018-12-02 14:16:47,209 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 643 transitions. [2018-12-02 14:16:47,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-02 14:16:47,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 472 states and 643 transitions. [2018-12-02 14:16:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 643 transitions. [2018-12-02 14:16:47,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 14:16:47,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 478 states and 652 transitions. [2018-12-02 14:16:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 652 transitions. [2018-12-02 14:16:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 14:16:47,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:16:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 487 states and 663 transitions. [2018-12-02 14:16:48,030 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 663 transitions. [2018-12-02 14:16:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 14:16:48,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:48,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 514 states and 692 transitions. [2018-12-02 14:16:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 692 transitions. [2018-12-02 14:16:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 14:16:48,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 517 states and 694 transitions. [2018-12-02 14:16:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 694 transitions. [2018-12-02 14:16:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 14:16:48,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 520 states and 697 transitions. [2018-12-02 14:16:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 697 transitions. [2018-12-02 14:16:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 14:16:48,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:48,574 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:48,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 524 states and 702 transitions. [2018-12-02 14:16:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 702 transitions. [2018-12-02 14:16:48,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 14:16:48,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:16:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:48,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 530 states and 708 transitions. [2018-12-02 14:16:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 708 transitions. [2018-12-02 14:16:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 14:16:48,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 535 states and 714 transitions. [2018-12-02 14:16:48,999 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 714 transitions. [2018-12-02 14:16:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 14:16:49,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 540 states and 718 transitions. [2018-12-02 14:16:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 718 transitions. [2018-12-02 14:16:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 14:16:49,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 542 states and 720 transitions. [2018-12-02 14:16:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 720 transitions. [2018-12-02 14:16:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 14:16:49,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:16:49,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 549 states and 729 transitions. [2018-12-02 14:16:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 729 transitions. [2018-12-02 14:16:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 14:16:49,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:49,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 554 states and 734 transitions. [2018-12-02 14:16:49,308 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 734 transitions. [2018-12-02 14:16:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 14:16:49,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 555 states and 735 transitions. [2018-12-02 14:16:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 735 transitions. [2018-12-02 14:16:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 14:16:49,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:49,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:49,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 565 states and 744 transitions. [2018-12-02 14:16:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 744 transitions. [2018-12-02 14:16:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 14:16:49,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:49,522 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:49,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 571 states and 749 transitions. [2018-12-02 14:16:49,552 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 749 transitions. [2018-12-02 14:16:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 14:16:49,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:50,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 590 states and 771 transitions. [2018-12-02 14:16:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 771 transitions. [2018-12-02 14:16:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 14:16:50,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 591 states and 772 transitions. [2018-12-02 14:16:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 772 transitions. [2018-12-02 14:16:50,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 14:16:50,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:50,271 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:50,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 622 states and 807 transitions. [2018-12-02 14:16:50,398 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 807 transitions. [2018-12-02 14:16:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 14:16:50,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 639 states and 824 transitions. [2018-12-02 14:16:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 824 transitions. [2018-12-02 14:16:50,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 14:16:50,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:52,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:52,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 706 states and 900 transitions. [2018-12-02 14:16:52,844 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 900 transitions. [2018-12-02 14:16:52,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 14:16:52,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:53,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 712 states and 907 transitions. [2018-12-02 14:16:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 907 transitions. [2018-12-02 14:16:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 14:16:53,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:16:53,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 714 states and 908 transitions. [2018-12-02 14:16:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 908 transitions. [2018-12-02 14:16:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 14:16:53,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:53,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 729 states and 926 transitions. [2018-12-02 14:16:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 926 transitions. [2018-12-02 14:16:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 14:16:53,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:54,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 744 states and 943 transitions. [2018-12-02 14:16:54,265 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 943 transitions. [2018-12-02 14:16:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 14:16:54,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:54,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:16:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 751 states and 949 transitions. [2018-12-02 14:16:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 949 transitions. [2018-12-02 14:16:54,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 14:16:54,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:16:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:16:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:16:56,929 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-02 14:17:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 816 states and 1030 transitions. [2018-12-02 14:17:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1030 transitions. [2018-12-02 14:17:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 14:17:00,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 819 states and 1033 transitions. [2018-12-02 14:17:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1033 transitions. [2018-12-02 14:17:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 14:17:00,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 822 states and 1036 transitions. [2018-12-02 14:17:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1036 transitions. [2018-12-02 14:17:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 14:17:00,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:00,549 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 825 states and 1039 transitions. [2018-12-02 14:17:00,786 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1039 transitions. [2018-12-02 14:17:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 14:17:00,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:01,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 837 states and 1057 transitions. [2018-12-02 14:17:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1057 transitions. [2018-12-02 14:17:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 14:17:01,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:17:01,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:01,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 885 states and 1107 transitions. [2018-12-02 14:17:01,625 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1107 transitions. [2018-12-02 14:17:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 14:17:01,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:01,740 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 899 states and 1122 transitions. [2018-12-02 14:17:02,176 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1122 transitions. [2018-12-02 14:17:02,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 14:17:02,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:02,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 901 states and 1123 transitions. [2018-12-02 14:17:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1123 transitions. [2018-12-02 14:17:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 14:17:02,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:02,704 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:05,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:05,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 951 states and 1177 transitions. [2018-12-02 14:17:05,157 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1177 transitions. [2018-12-02 14:17:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 14:17:05,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 969 states and 1195 transitions. [2018-12-02 14:17:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1195 transitions. [2018-12-02 14:17:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 14:17:06,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:06,836 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1001 states and 1227 transitions. [2018-12-02 14:17:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1227 transitions. [2018-12-02 14:17:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 14:17:10,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:10,773 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1008 states and 1239 transitions. [2018-12-02 14:17:11,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1239 transitions. [2018-12-02 14:17:11,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 14:17:11,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:11,550 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:11,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:11,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1011 states and 1242 transitions. [2018-12-02 14:17:11,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1242 transitions. [2018-12-02 14:17:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 14:17:11,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-02 14:17:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:11,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1012 states and 1242 transitions. [2018-12-02 14:17:11,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1242 transitions. [2018-12-02 14:17:11,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 14:17:11,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:12,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:12,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1028 states and 1260 transitions. [2018-12-02 14:17:12,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1260 transitions. [2018-12-02 14:17:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 14:17:12,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1057 states and 1290 transitions. [2018-12-02 14:17:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1290 transitions. [2018-12-02 14:17:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 14:17:13,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 14:17:15,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1090 states and 1338 transitions. [2018-12-02 14:17:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1338 transitions. [2018-12-02 14:17:15,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 14:17:15,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:15,167 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 14:17:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:15,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1100 states and 1347 transitions. [2018-12-02 14:17:15,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1347 transitions. [2018-12-02 14:17:15,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 14:17:15,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 14:17:15,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1108 states and 1354 transitions. [2018-12-02 14:17:15,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1354 transitions. [2018-12-02 14:17:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 14:17:15,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 14:17:16,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1114 states and 1359 transitions. [2018-12-02 14:17:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1359 transitions. [2018-12-02 14:17:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 14:17:16,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:17:16,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:16,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1116 states and 1363 transitions. [2018-12-02 14:17:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1363 transitions. [2018-12-02 14:17:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 14:17:16,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:16,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1145 states and 1394 transitions. [2018-12-02 14:17:16,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1394 transitions. [2018-12-02 14:17:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-02 14:17:16,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:16,942 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1149 states and 1401 transitions. [2018-12-02 14:17:17,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1401 transitions. [2018-12-02 14:17:17,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-02 14:17:17,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:17:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1150 states and 1402 transitions. [2018-12-02 14:17:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1402 transitions. [2018-12-02 14:17:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 14:17:17,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1151 states and 1402 transitions. [2018-12-02 14:17:17,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1402 transitions. [2018-12-02 14:17:17,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 14:17:17,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1161 states and 1419 transitions. [2018-12-02 14:17:18,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1419 transitions. [2018-12-02 14:17:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 14:17:18,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:17:18,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:18,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1162 states and 1420 transitions. [2018-12-02 14:17:18,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1420 transitions. [2018-12-02 14:17:18,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 14:17:18,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1163 states and 1420 transitions. [2018-12-02 14:17:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1420 transitions. [2018-12-02 14:17:18,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 14:17:18,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 14:17:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1242 states and 1503 transitions. [2018-12-02 14:17:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1503 transitions. [2018-12-02 14:17:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 14:17:19,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:19,867 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:19,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:19,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1245 states and 1508 transitions. [2018-12-02 14:17:19,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1508 transitions. [2018-12-02 14:17:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 14:17:19,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 14:17:23,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:23,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1273 states and 1547 transitions. [2018-12-02 14:17:23,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1547 transitions. [2018-12-02 14:17:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 14:17:23,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 14:17:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1289 states and 1563 transitions. [2018-12-02 14:17:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1563 transitions. [2018-12-02 14:17:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 14:17:27,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 14:17:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:30,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1331 states and 1610 transitions. [2018-12-02 14:17:30,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1610 transitions. [2018-12-02 14:17:30,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 14:17:30,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:17:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:30,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1356 states and 1634 transitions. [2018-12-02 14:17:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1634 transitions. [2018-12-02 14:17:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 14:17:30,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:31,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1387 states and 1672 transitions. [2018-12-02 14:17:31,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1672 transitions. [2018-12-02 14:17:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 14:17:31,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:35,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:35,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1417 states and 1705 transitions. [2018-12-02 14:17:35,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1705 transitions. [2018-12-02 14:17:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 14:17:35,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1424 states and 1711 transitions. [2018-12-02 14:17:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1711 transitions. [2018-12-02 14:17:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 14:17:35,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:36,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1426 states and 1713 transitions. [2018-12-02 14:17:36,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1713 transitions. [2018-12-02 14:17:36,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 14:17:36,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:36,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:36,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1435 states and 1722 transitions. [2018-12-02 14:17:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1722 transitions. [2018-12-02 14:17:36,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 14:17:36,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1442 states and 1730 transitions. [2018-12-02 14:17:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1730 transitions. [2018-12-02 14:17:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 14:17:38,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 14:17:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:43,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1511 states and 1805 transitions. [2018-12-02 14:17:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1805 transitions. [2018-12-02 14:17:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 14:17:43,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 14:17:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1529 states and 1822 transitions. [2018-12-02 14:17:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1822 transitions. [2018-12-02 14:17:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 14:17:44,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:44,198 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 14:17:44,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:44,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1574 states and 1866 transitions. [2018-12-02 14:17:44,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 1866 transitions. [2018-12-02 14:17:44,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 14:17:44,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:17:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1601 states and 1902 transitions. [2018-12-02 14:17:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 1902 transitions. [2018-12-02 14:17:48,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 14:17:48,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:48,043 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:17:48,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1604 states and 1905 transitions. [2018-12-02 14:17:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 1905 transitions. [2018-12-02 14:17:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 14:17:48,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:17:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1607 states and 1908 transitions. [2018-12-02 14:17:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 1908 transitions. [2018-12-02 14:17:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 14:17:48,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:17:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:49,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1622 states and 1927 transitions. [2018-12-02 14:17:49,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 1927 transitions. [2018-12-02 14:17:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 14:17:49,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:17:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1625 states and 1930 transitions. [2018-12-02 14:17:50,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1930 transitions. [2018-12-02 14:17:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 14:17:50,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-02 14:17:50,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:50,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1635 states and 1940 transitions. [2018-12-02 14:17:50,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1940 transitions. [2018-12-02 14:17:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 14:17:50,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:17:51,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1656 states and 1965 transitions. [2018-12-02 14:17:51,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 1965 transitions. [2018-12-02 14:17:51,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 14:17:51,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:17:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1663 states and 1974 transitions. [2018-12-02 14:17:52,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 1974 transitions. [2018-12-02 14:17:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 14:17:52,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:17:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1679 states and 1989 transitions. [2018-12-02 14:17:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 1989 transitions. [2018-12-02 14:17:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 14:17:53,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:53,707 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1695 states and 2006 transitions. [2018-12-02 14:17:54,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2006 transitions. [2018-12-02 14:17:54,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 14:17:54,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:54,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1704 states and 2014 transitions. [2018-12-02 14:17:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2014 transitions. [2018-12-02 14:17:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 14:17:54,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:17:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:54,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1707 states and 2017 transitions. [2018-12-02 14:17:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2017 transitions. [2018-12-02 14:17:54,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 14:17:54,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 144 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:17:55,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:17:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 1711 states and 2022 transitions. [2018-12-02 14:17:55,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2022 transitions. [2018-12-02 14:17:55,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 14:17:55,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:17:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:17:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:18:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1739 states and 2063 transitions. [2018-12-02 14:18:01,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2063 transitions. [2018-12-02 14:18:01,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 14:18:01,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:18:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 1752 states and 2078 transitions. [2018-12-02 14:18:03,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2078 transitions. [2018-12-02 14:18:03,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 14:18:03,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:18:03,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1755 states and 2081 transitions. [2018-12-02 14:18:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2081 transitions. [2018-12-02 14:18:03,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 14:18:03,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:18:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:04,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 1758 states and 2084 transitions. [2018-12-02 14:18:04,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2084 transitions. [2018-12-02 14:18:04,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 14:18:04,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:18:04,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:04,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1761 states and 2087 transitions. [2018-12-02 14:18:04,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2087 transitions. [2018-12-02 14:18:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 14:18:04,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:04,818 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 14:18:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:05,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1768 states and 2094 transitions. [2018-12-02 14:18:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2094 transitions. [2018-12-02 14:18:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 14:18:05,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:18:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:05,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1772 states and 2099 transitions. [2018-12-02 14:18:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2099 transitions. [2018-12-02 14:18:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 14:18:05,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 14:18:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1775 states and 2102 transitions. [2018-12-02 14:18:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2102 transitions. [2018-12-02 14:18:06,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 14:18:06,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:06,655 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 14:18:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:06,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1791 states and 2118 transitions. [2018-12-02 14:18:06,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2118 transitions. [2018-12-02 14:18:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-02 14:18:06,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:18:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 1803 states and 2131 transitions. [2018-12-02 14:18:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2131 transitions. [2018-12-02 14:18:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-02 14:18:06,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 14:18:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1811 states and 2137 transitions. [2018-12-02 14:18:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2137 transitions. [2018-12-02 14:18:07,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-02 14:18:07,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 14:18:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1838 states and 2165 transitions. [2018-12-02 14:18:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2165 transitions. [2018-12-02 14:18:08,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-02 14:18:08,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 14:18:08,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 1843 states and 2169 transitions. [2018-12-02 14:18:08,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2169 transitions. [2018-12-02 14:18:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 14:18:08,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 14:18:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1867 states and 2200 transitions. [2018-12-02 14:18:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2200 transitions. [2018-12-02 14:18:09,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 14:18:09,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:09,789 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 14:18:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1871 states and 2207 transitions. [2018-12-02 14:18:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2207 transitions. [2018-12-02 14:18:10,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 14:18:10,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 14:18:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1874 states and 2210 transitions. [2018-12-02 14:18:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2210 transitions. [2018-12-02 14:18:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 14:18:10,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 14:18:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1877 states and 2213 transitions. [2018-12-02 14:18:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2213 transitions. [2018-12-02 14:18:11,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 14:18:11,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 14:18:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1885 states and 2224 transitions. [2018-12-02 14:18:12,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2224 transitions. [2018-12-02 14:18:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 14:18:12,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 14:18:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1894 states and 2233 transitions. [2018-12-02 14:18:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2233 transitions. [2018-12-02 14:18:12,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-02 14:18:12,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:18:12,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:12,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1909 states and 2250 transitions. [2018-12-02 14:18:12,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2250 transitions. [2018-12-02 14:18:12,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-02 14:18:12,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:12,862 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 14:18:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 1988 states and 2333 transitions. [2018-12-02 14:18:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2333 transitions. [2018-12-02 14:18:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 14:18:13,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 152 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 14:18:15,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2043 states and 2389 transitions. [2018-12-02 14:18:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2389 transitions. [2018-12-02 14:18:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 14:18:15,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 152 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 14:18:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2075 states and 2420 transitions. [2018-12-02 14:18:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2420 transitions. [2018-12-02 14:18:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 14:18:16,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:16,108 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-02 14:18:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2145 states and 2493 transitions. [2018-12-02 14:18:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2493 transitions. [2018-12-02 14:18:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-02 14:18:19,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 14:18:21,464 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-02 14:18:22,605 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-02 14:18:25,857 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-12-02 14:18:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2218 states and 2569 transitions. [2018-12-02 14:18:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2569 transitions. [2018-12-02 14:18:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-02 14:18:29,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 14:18:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2250 states and 2600 transitions. [2018-12-02 14:18:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 2600 transitions. [2018-12-02 14:18:31,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 14:18:31,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 177 proven. 10 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 14:18:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2256 states and 2606 transitions. [2018-12-02 14:18:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2606 transitions. [2018-12-02 14:18:32,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 14:18:32,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 177 proven. 10 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 14:18:32,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2259 states and 2608 transitions. [2018-12-02 14:18:32,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2608 transitions. [2018-12-02 14:18:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 14:18:32,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 14:18:35,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2307 states and 2661 transitions. [2018-12-02 14:18:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2661 transitions. [2018-12-02 14:18:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 14:18:35,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 14:18:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2337 states and 2689 transitions. [2018-12-02 14:18:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 2689 transitions. [2018-12-02 14:18:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 14:18:36,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 14:18:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2353 states and 2704 transitions. [2018-12-02 14:18:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2704 transitions. [2018-12-02 14:18:37,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 14:18:37,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:37,175 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 179 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 14:18:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2357 states and 2710 transitions. [2018-12-02 14:18:37,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2710 transitions. [2018-12-02 14:18:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 14:18:37,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 14:18:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:37,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2358 states and 2710 transitions. [2018-12-02 14:18:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2710 transitions. [2018-12-02 14:18:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 14:18:37,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 14:18:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2427 states and 2785 transitions. [2018-12-02 14:18:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2785 transitions. [2018-12-02 14:18:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 14:18:40,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 14:18:43,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:43,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2459 states and 2818 transitions. [2018-12-02 14:18:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 2818 transitions. [2018-12-02 14:18:43,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 14:18:43,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 14:18:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:45,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2461 states and 2819 transitions. [2018-12-02 14:18:45,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2819 transitions. [2018-12-02 14:18:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-02 14:18:45,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 14:18:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2500 states and 2858 transitions. [2018-12-02 14:18:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2858 transitions. [2018-12-02 14:18:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 14:18:45,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 14:18:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2567 states and 2927 transitions. [2018-12-02 14:18:51,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 2927 transitions. [2018-12-02 14:18:51,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 14:18:51,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 261 proven. 61 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 14:18:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2612 states and 2978 transitions. [2018-12-02 14:18:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 2978 transitions. [2018-12-02 14:18:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-02 14:18:56,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 14:18:56,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2633 states and 2999 transitions. [2018-12-02 14:18:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 2999 transitions. [2018-12-02 14:18:56,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-02 14:18:56,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-02 14:18:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:57,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2634 states and 3000 transitions. [2018-12-02 14:18:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3000 transitions. [2018-12-02 14:18:57,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-02 14:18:57,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 14:18:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2635 states and 3000 transitions. [2018-12-02 14:18:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 3000 transitions. [2018-12-02 14:18:57,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-02 14:18:57,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 14:18:59,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:18:59,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 2713 states and 3081 transitions. [2018-12-02 14:18:59,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3081 transitions. [2018-12-02 14:18:59,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-02 14:18:59,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:18:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:18:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 14:19:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 2769 states and 3139 transitions. [2018-12-02 14:19:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3139 transitions. [2018-12-02 14:19:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-02 14:19:01,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 215 proven. 10 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 14:19:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 2785 states and 3158 transitions. [2018-12-02 14:19:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3158 transitions. [2018-12-02 14:19:02,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-02 14:19:02,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 215 proven. 10 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 14:19:03,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 2792 states and 3164 transitions. [2018-12-02 14:19:03,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3164 transitions. [2018-12-02 14:19:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-02 14:19:03,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 215 proven. 10 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 14:19:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 2808 states and 3179 transitions. [2018-12-02 14:19:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3179 transitions. [2018-12-02 14:19:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-02 14:19:06,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:06,191 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 14:19:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3191 states to 2816 states and 3191 transitions. [2018-12-02 14:19:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3191 transitions. [2018-12-02 14:19:08,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-02 14:19:08,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 14:19:09,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:09,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 2823 states and 3199 transitions. [2018-12-02 14:19:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3199 transitions. [2018-12-02 14:19:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-02 14:19:09,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 14:19:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:09,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 2836 states and 3211 transitions. [2018-12-02 14:19:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3211 transitions. [2018-12-02 14:19:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-02 14:19:09,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 14:19:10,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2839 states and 3214 transitions. [2018-12-02 14:19:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3214 transitions. [2018-12-02 14:19:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 14:19:10,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 211 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 14:19:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 2879 states and 3258 transitions. [2018-12-02 14:19:13,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3258 transitions. [2018-12-02 14:19:13,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 14:19:13,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 211 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 14:19:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 2882 states and 3261 transitions. [2018-12-02 14:19:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 3261 transitions. [2018-12-02 14:19:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 14:19:14,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 211 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 14:19:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:14,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 2885 states and 3264 transitions. [2018-12-02 14:19:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 3264 transitions. [2018-12-02 14:19:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 14:19:14,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-02 14:19:17,548 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-12-02 14:19:23,553 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2018-12-02 14:19:29,778 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 14:19:32,007 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-02 14:19:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 2943 states and 3325 transitions. [2018-12-02 14:19:32,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2943 states and 3325 transitions. [2018-12-02 14:19:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 14:19:32,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-02 14:19:34,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:34,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 2944 states and 3324 transitions. [2018-12-02 14:19:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 3324 transitions. [2018-12-02 14:19:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 14:19:34,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:34,124 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-02 14:19:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:34,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 2930 states and 3309 transitions. [2018-12-02 14:19:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 3309 transitions. [2018-12-02 14:19:34,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 14:19:34,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-02 14:19:38,156 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 14:19:41,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 2946 states and 3327 transitions. [2018-12-02 14:19:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 3327 transitions. [2018-12-02 14:19:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 14:19:41,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-02 14:19:46,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 2998 states and 3380 transitions. [2018-12-02 14:19:46,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3380 transitions. [2018-12-02 14:19:46,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 14:19:46,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-02 14:19:48,448 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-12-02 14:19:51,051 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2018-12-02 14:19:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:19:52,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3041 states and 3421 transitions. [2018-12-02 14:19:52,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3421 transitions. [2018-12-02 14:19:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 14:19:52,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:19:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:19:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 14:19:56,532 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-02 14:19:57,855 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-12-02 14:19:59,141 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-02 14:20:02,293 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-02 14:20:08,534 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-12-02 14:20:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3109 states and 3496 transitions. [2018-12-02 14:20:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 3496 transitions. [2018-12-02 14:20:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 14:20:11,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 14:20:13,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:13,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3499 states to 3112 states and 3499 transitions. [2018-12-02 14:20:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 3499 transitions. [2018-12-02 14:20:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 14:20:13,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 14:20:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 3115 states and 3502 transitions. [2018-12-02 14:20:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3502 transitions. [2018-12-02 14:20:14,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 14:20:14,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 14:20:25,151 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-02 14:20:27,816 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 14:20:30,606 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 14:20:33,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3173 states and 3568 transitions. [2018-12-02 14:20:33,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 3568 transitions. [2018-12-02 14:20:33,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-02 14:20:33,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 14:20:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 3182 states and 3577 transitions. [2018-12-02 14:20:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3182 states and 3577 transitions. [2018-12-02 14:20:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-02 14:20:33,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-12-02 14:20:36,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:36,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3252 states and 3652 transitions. [2018-12-02 14:20:36,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 3652 transitions. [2018-12-02 14:20:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-02 14:20:36,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 14:20:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 3270 states and 3673 transitions. [2018-12-02 14:20:40,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 3673 transitions. [2018-12-02 14:20:40,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-02 14:20:40,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:40,597 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 14:20:40,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3677 states to 3275 states and 3677 transitions. [2018-12-02 14:20:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 3677 transitions. [2018-12-02 14:20:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-02 14:20:40,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 351 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-02 14:20:44,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3353 states and 3758 transitions. [2018-12-02 14:20:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 3758 transitions. [2018-12-02 14:20:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-02 14:20:44,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 297 proven. 15 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-12-02 14:20:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:45,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 3359 states and 3766 transitions. [2018-12-02 14:20:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3359 states and 3766 transitions. [2018-12-02 14:20:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-02 14:20:45,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:45,206 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-02 14:20:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3364 states and 3770 transitions. [2018-12-02 14:20:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 3770 transitions. [2018-12-02 14:20:47,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-02 14:20:47,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:47,417 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-02 14:20:50,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 3440 states and 3849 transitions. [2018-12-02 14:20:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 3440 states and 3849 transitions. [2018-12-02 14:20:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-02 14:20:50,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-02 14:20:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3449 states and 3857 transitions. [2018-12-02 14:20:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 3857 transitions. [2018-12-02 14:20:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 14:20:51,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-02 14:20:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3453 states and 3862 transitions. [2018-12-02 14:20:52,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3453 states and 3862 transitions. [2018-12-02 14:20:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 14:20:52,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-02 14:20:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3471 states and 3888 transitions. [2018-12-02 14:20:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 3471 states and 3888 transitions. [2018-12-02 14:20:54,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 14:20:54,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-02 14:20:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3472 states and 3888 transitions. [2018-12-02 14:20:55,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 3888 transitions. [2018-12-02 14:20:55,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 14:20:55,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:55,380 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-02 14:20:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3487 states and 3905 transitions. [2018-12-02 14:20:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 3905 transitions. [2018-12-02 14:20:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 14:20:55,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-02 14:20:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3911 states to 3493 states and 3911 transitions. [2018-12-02 14:20:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3493 states and 3911 transitions. [2018-12-02 14:20:57,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 14:20:57,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-02 14:20:57,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:20:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 3496 states and 3914 transitions. [2018-12-02 14:20:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3496 states and 3914 transitions. [2018-12-02 14:20:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 14:20:57,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:20:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:20:58,067 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-02 14:21:01,700 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2018-12-02 14:21:02,092 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 14:21:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:04,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3933 states to 3514 states and 3933 transitions. [2018-12-02 14:21:04,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 3933 transitions. [2018-12-02 14:21:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 14:21:04,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-02 14:21:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3943 states to 3522 states and 3943 transitions. [2018-12-02 14:21:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 3943 transitions. [2018-12-02 14:21:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 14:21:05,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-02 14:21:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:07,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3525 states and 3946 transitions. [2018-12-02 14:21:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3525 states and 3946 transitions. [2018-12-02 14:21:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 14:21:07,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-02 14:21:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 3528 states and 3949 transitions. [2018-12-02 14:21:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 3949 transitions. [2018-12-02 14:21:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 14:21:07,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-12-02 14:21:09,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:09,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3535 states and 3956 transitions. [2018-12-02 14:21:09,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3535 states and 3956 transitions. [2018-12-02 14:21:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 14:21:09,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-12-02 14:21:09,797 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2018-12-02 14:21:10,075 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-12-02 14:21:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3567 states and 3987 transitions. [2018-12-02 14:21:14,558 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 3987 transitions. [2018-12-02 14:21:14,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-02 14:21:14,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:14,695 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-02 14:21:15,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:15,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3568 states and 3988 transitions. [2018-12-02 14:21:15,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 3988 transitions. [2018-12-02 14:21:15,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-02 14:21:15,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-02 14:21:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3569 states and 3988 transitions. [2018-12-02 14:21:15,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3569 states and 3988 transitions. [2018-12-02 14:21:15,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-02 14:21:15,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 430 proven. 63 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-02 14:21:26,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 3599 states and 4023 transitions. [2018-12-02 14:21:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3599 states and 4023 transitions. [2018-12-02 14:21:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-02 14:21:26,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 466 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 14:21:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4042 states to 3615 states and 4042 transitions. [2018-12-02 14:21:29,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4042 transitions. [2018-12-02 14:21:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-02 14:21:29,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 466 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 14:21:33,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:33,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 3619 states and 4049 transitions. [2018-12-02 14:21:33,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 4049 transitions. [2018-12-02 14:21:33,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-02 14:21:33,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:33,852 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 466 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 14:21:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4050 states to 3620 states and 4050 transitions. [2018-12-02 14:21:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 4050 transitions. [2018-12-02 14:21:34,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-02 14:21:34,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:34,530 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 466 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 14:21:35,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4050 states to 3621 states and 4050 transitions. [2018-12-02 14:21:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 4050 transitions. [2018-12-02 14:21:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 14:21:35,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 14:21:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 3630 states and 4059 transitions. [2018-12-02 14:21:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3630 states and 4059 transitions. [2018-12-02 14:21:35,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 14:21:35,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:35,230 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 14:21:35,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:35,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 3668 states and 4096 transitions. [2018-12-02 14:21:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 4096 transitions. [2018-12-02 14:21:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-02 14:21:35,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 16 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 14:21:43,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 3687 states and 4121 transitions. [2018-12-02 14:21:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 4121 transitions. [2018-12-02 14:21:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-02 14:21:43,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 16 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 14:21:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 3691 states and 4125 transitions. [2018-12-02 14:21:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3691 states and 4125 transitions. [2018-12-02 14:21:45,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-02 14:21:45,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:45,829 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 16 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 14:21:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:48,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 3701 states and 4137 transitions. [2018-12-02 14:21:48,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 4137 transitions. [2018-12-02 14:21:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-02 14:21:48,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:48,170 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 16 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 14:21:51,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 3708 states and 4143 transitions. [2018-12-02 14:21:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3708 states and 4143 transitions. [2018-12-02 14:21:51,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-02 14:21:51,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 323 proven. 15 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-12-02 14:21:58,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:21:58,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4178 states to 3740 states and 4178 transitions. [2018-12-02 14:21:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 4178 transitions. [2018-12-02 14:21:58,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 14:21:58,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:21:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:21:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 364 proven. 30 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-02 14:22:03,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4209 states to 3772 states and 4209 transitions. [2018-12-02 14:22:03,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3772 states and 4209 transitions. [2018-12-02 14:22:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-02 14:22:03,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-02 14:22:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4212 states to 3776 states and 4212 transitions. [2018-12-02 14:22:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3776 states and 4212 transitions. [2018-12-02 14:22:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-02 14:22:04,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-02 14:22:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:05,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 3784 states and 4224 transitions. [2018-12-02 14:22:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3784 states and 4224 transitions. [2018-12-02 14:22:05,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-02 14:22:05,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-02 14:22:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 3787 states and 4228 transitions. [2018-12-02 14:22:06,272 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 4228 transitions. [2018-12-02 14:22:06,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-02 14:22:06,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-02 14:22:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4232 states to 3790 states and 4232 transitions. [2018-12-02 14:22:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3790 states and 4232 transitions. [2018-12-02 14:22:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-02 14:22:07,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:07,151 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-02 14:22:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:10,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 3806 states and 4252 transitions. [2018-12-02 14:22:10,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4252 transitions. [2018-12-02 14:22:10,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-02 14:22:10,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-02 14:22:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 3809 states and 4255 transitions. [2018-12-02 14:22:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3809 states and 4255 transitions. [2018-12-02 14:22:10,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-02 14:22:10,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:10,966 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-02 14:22:11,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:11,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 3812 states and 4258 transitions. [2018-12-02 14:22:11,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 4258 transitions. [2018-12-02 14:22:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-02 14:22:11,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:11,720 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-02 14:22:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 3818 states and 4264 transitions. [2018-12-02 14:22:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 4264 transitions. [2018-12-02 14:22:14,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-02 14:22:14,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-02 14:22:20,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4332 states to 3887 states and 4332 transitions. [2018-12-02 14:22:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3887 states and 4332 transitions. [2018-12-02 14:22:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-02 14:22:20,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:20,966 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-02 14:22:27,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4391 states to 3941 states and 4391 transitions. [2018-12-02 14:22:27,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 4391 transitions. [2018-12-02 14:22:27,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-02 14:22:27,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:27,518 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-02 14:22:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:28,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 3952 states and 4401 transitions. [2018-12-02 14:22:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4401 transitions. [2018-12-02 14:22:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-02 14:22:28,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-02 14:22:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 3955 states and 4403 transitions. [2018-12-02 14:22:28,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 4403 transitions. [2018-12-02 14:22:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-12-02 14:22:28,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-12-02 14:22:30,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:30,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 3971 states and 4421 transitions. [2018-12-02 14:22:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 4421 transitions. [2018-12-02 14:22:30,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-12-02 14:22:30,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-12-02 14:22:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 4017 states and 4469 transitions. [2018-12-02 14:22:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 4017 states and 4469 transitions. [2018-12-02 14:22:33,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-12-02 14:22:33,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-12-02 14:22:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4474 states to 4023 states and 4474 transitions. [2018-12-02 14:22:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 4474 transitions. [2018-12-02 14:22:33,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-02 14:22:33,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-02 14:22:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4027 states and 4478 transitions. [2018-12-02 14:22:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 4478 transitions. [2018-12-02 14:22:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-02 14:22:34,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-02 14:22:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:40,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4530 states to 4073 states and 4530 transitions. [2018-12-02 14:22:40,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4073 states and 4530 transitions. [2018-12-02 14:22:40,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-02 14:22:40,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-02 14:22:41,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4552 states to 4098 states and 4552 transitions. [2018-12-02 14:22:41,825 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4552 transitions. [2018-12-02 14:22:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-02 14:22:41,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-02 14:22:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4560 states to 4107 states and 4560 transitions. [2018-12-02 14:22:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 4107 states and 4560 transitions. [2018-12-02 14:22:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-02 14:22:43,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-02 14:22:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4561 states to 4109 states and 4561 transitions. [2018-12-02 14:22:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 4561 transitions. [2018-12-02 14:22:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-02 14:22:43,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 389 proven. 15 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-12-02 14:22:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:44,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 4113 states and 4564 transitions. [2018-12-02 14:22:44,060 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 4564 transitions. [2018-12-02 14:22:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-02 14:22:44,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-02 14:22:51,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4607 states to 4156 states and 4607 transitions. [2018-12-02 14:22:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4156 states and 4607 transitions. [2018-12-02 14:22:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-02 14:22:51,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-02 14:22:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4613 states to 4163 states and 4613 transitions. [2018-12-02 14:22:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 4613 transitions. [2018-12-02 14:22:53,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-02 14:22:53,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-02 14:22:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:22:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4644 states to 4195 states and 4644 transitions. [2018-12-02 14:22:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 4644 transitions. [2018-12-02 14:22:58,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-02 14:22:58,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:22:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:22:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-02 14:23:08,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4706 states to 4250 states and 4706 transitions. [2018-12-02 14:23:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 4250 states and 4706 transitions. [2018-12-02 14:23:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-02 14:23:08,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-02 14:23:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4320 states and 4778 transitions. [2018-12-02 14:23:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4320 states and 4778 transitions. [2018-12-02 14:23:20,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-02 14:23:20,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-02 14:23:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4334 states and 4792 transitions. [2018-12-02 14:23:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 4334 states and 4792 transitions. [2018-12-02 14:23:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-02 14:23:21,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-02 14:23:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4795 states to 4340 states and 4795 transitions. [2018-12-02 14:23:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 4340 states and 4795 transitions. [2018-12-02 14:23:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-02 14:23:22,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-02 14:23:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4801 states to 4346 states and 4801 transitions. [2018-12-02 14:23:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 4801 transitions. [2018-12-02 14:23:23,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-02 14:23:23,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-02 14:23:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4802 states to 4348 states and 4802 transitions. [2018-12-02 14:23:25,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4348 states and 4802 transitions. [2018-12-02 14:23:25,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-12-02 14:23:25,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2018-12-02 14:23:25,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4364 states and 4818 transitions. [2018-12-02 14:23:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 4364 states and 4818 transitions. [2018-12-02 14:23:25,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2018-12-02 14:23:25,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 861 proven. 16 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2018-12-02 14:23:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:28,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4864 states to 4409 states and 4864 transitions. [2018-12-02 14:23:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 4409 states and 4864 transitions. [2018-12-02 14:23:28,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2018-12-02 14:23:28,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 603 proven. 4 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2018-12-02 14:23:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4945 states to 4488 states and 4945 transitions. [2018-12-02 14:23:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 4488 states and 4945 transitions. [2018-12-02 14:23:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2018-12-02 14:23:29,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:30,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-12-02 14:23:31,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4966 states to 4504 states and 4966 transitions. [2018-12-02 14:23:31,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 4966 transitions. [2018-12-02 14:23:31,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2018-12-02 14:23:31,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:31,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-12-02 14:23:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:23:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4969 states to 4507 states and 4969 transitions. [2018-12-02 14:23:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4507 states and 4969 transitions. [2018-12-02 14:23:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-12-02 14:23:32,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:23:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:23:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 511 proven. 509 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-02 14:24:01,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:24:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5074 states to 4603 states and 5074 transitions. [2018-12-02 14:24:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4603 states and 5074 transitions. [2018-12-02 14:24:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-12-02 14:24:01,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:24:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:24:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 511 proven. 509 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-02 14:24:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:24:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 4615 states and 5087 transitions. [2018-12-02 14:24:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 4615 states and 5087 transitions. [2018-12-02 14:24:05,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2018-12-02 14:24:05,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:24:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:24:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 1061 proven. 273 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2018-12-02 14:24:08,119 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 14:24:14,030 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2018-12-02 14:24:17,184 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 14:24:17,604 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2018-12-02 14:24:23,346 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 14:24:34,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:24:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 4722 states and 5216 transitions. [2018-12-02 14:24:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 4722 states and 5216 transitions. [2018-12-02 14:24:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2018-12-02 14:24:34,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:24:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:24:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 974 proven. 6 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2018-12-02 14:24:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:24:39,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5267 states to 4769 states and 5267 transitions. [2018-12-02 14:24:39,529 INFO L276 IsEmpty]: Start isEmpty. Operand 4769 states and 5267 transitions. [2018-12-02 14:24:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2018-12-02 14:24:39,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:24:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:24:39,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 974 proven. 6 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2018-12-02 14:24:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:24:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5270 states to 4773 states and 5270 transitions. [2018-12-02 14:24:42,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4773 states and 5270 transitions. [2018-12-02 14:24:42,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-02 14:24:42,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:24:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:24:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 14:24:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:24:52,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5355 states to 4847 states and 5355 transitions. [2018-12-02 14:24:52,523 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 5355 transitions. [2018-12-02 14:24:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-02 14:24:52,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:24:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:24:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 14:24:54,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:24:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5363 states to 4856 states and 5363 transitions. [2018-12-02 14:24:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 4856 states and 5363 transitions. [2018-12-02 14:24:54,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-02 14:24:54,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:24:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:24:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 14:24:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:24:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5376 states to 4870 states and 5376 transitions. [2018-12-02 14:24:57,734 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 5376 transitions. [2018-12-02 14:24:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-02 14:24:57,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:24:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:24:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 14:24:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:24:59,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5381 states to 4874 states and 5381 transitions. [2018-12-02 14:24:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5381 transitions. [2018-12-02 14:24:59,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-02 14:24:59,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:24:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:24:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 14:25:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:25:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5395 states to 4890 states and 5395 transitions. [2018-12-02 14:25:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 5395 transitions. [2018-12-02 14:25:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-02 14:25:02,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:25:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:25:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 14:25:06,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:25:06,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 4896 states and 5402 transitions. [2018-12-02 14:25:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4896 states and 5402 transitions. [2018-12-02 14:25:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-02 14:25:06,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:25:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:25:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 14:25:10,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:25:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5407 states to 4901 states and 5407 transitions. [2018-12-02 14:25:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 5407 transitions. [2018-12-02 14:25:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-02 14:25:10,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:25:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:25:10,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 14:25:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:25:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5407 states to 4902 states and 5407 transitions. [2018-12-02 14:25:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 5407 transitions. [2018-12-02 14:25:11,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-02 14:25:11,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:25:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:25:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 14:25:17,696 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2018-12-02 14:25:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:25:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5417 states to 4912 states and 5417 transitions. [2018-12-02 14:25:20,560 INFO L276 IsEmpty]: Start isEmpty. Operand 4912 states and 5417 transitions. [2018-12-02 14:25:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-02 14:25:20,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:25:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:25:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-02 14:25:23,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:25:23,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4852 states to 4389 states and 4852 transitions. [2018-12-02 14:25:23,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4389 states and 4852 transitions. [2018-12-02 14:25:23,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:25:23,452 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 258 iterations. [2018-12-02 14:25:23,458 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 14:25:23,688 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 51 [2018-12-02 14:25:23,825 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 35 [2018-12-02 14:25:24,133 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-02 14:25:24,465 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 50 [2018-12-02 14:25:24,677 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 34 [2018-12-02 14:25:24,856 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 34 [2018-12-02 14:25:25,009 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2018-12-02 14:25:25,123 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 39 [2018-12-02 14:25:25,276 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 35 [2018-12-02 14:25:25,564 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-02 14:25:25,800 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-02 14:25:25,997 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 35 [2018-12-02 14:25:26,140 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 34 [2018-12-02 14:25:26,267 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-02 14:25:26,392 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-02 14:25:26,519 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-02 14:25:26,687 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2018-12-02 14:25:26,881 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-02 14:25:27,076 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 34 [2018-12-02 14:25:27,218 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 35 [2018-12-02 14:25:27,386 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2018-12-02 14:25:27,662 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 38 [2018-12-02 14:25:27,895 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-02 14:25:28,029 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2018-12-02 14:25:28,171 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 35 [2018-12-02 14:25:28,296 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-02 14:25:28,708 WARN L180 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 56 [2018-12-02 14:25:28,876 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 34 [2018-12-02 14:25:29,039 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 35 [2018-12-02 14:25:29,212 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2018-12-02 14:25:29,485 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 50 [2018-12-02 14:25:29,618 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 35 [2018-12-02 14:25:29,782 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-02 14:25:29,917 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-02 14:25:30,068 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2018-12-02 14:25:30,208 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 35 [2018-12-02 14:25:30,360 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-12-02 14:25:30,625 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 50 [2018-12-02 14:25:30,806 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 35 [2018-12-02 14:25:30,991 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 34 [2018-12-02 14:25:31,277 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 51 [2018-12-02 14:25:31,594 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-02 14:25:31,721 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-02 14:25:31,877 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 38 [2018-12-02 14:25:32,072 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 34 [2018-12-02 14:25:32,241 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 34 [2018-12-02 14:25:32,393 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 35 [2018-12-02 14:25:32,687 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-02 14:25:32,876 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 35 [2018-12-02 14:25:33,053 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2018-12-02 14:25:33,158 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 39 [2018-12-02 14:25:33,266 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 34 [2018-12-02 14:25:33,400 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 35 [2018-12-02 14:25:33,594 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2018-12-02 14:25:33,783 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-02 14:25:33,911 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2018-12-02 14:25:34,166 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-02 14:25:34,306 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2018-12-02 14:25:34,477 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-12-02 14:25:34,669 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2018-12-02 14:25:34,880 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-02 14:25:35,146 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 51 [2018-12-02 14:25:35,347 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 34 [2018-12-02 14:25:35,528 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 34 [2018-12-02 14:25:35,701 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 35 [2018-12-02 14:25:36,025 WARN L180 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 38 [2018-12-02 14:25:36,264 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 34 [2018-12-02 14:25:36,496 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-02 14:25:36,669 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 34 [2018-12-02 14:25:36,917 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 51 [2018-12-02 14:25:37,092 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 34 [2018-12-02 14:25:37,263 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-12-02 14:25:37,393 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2018-12-02 14:25:37,393 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:25:37,395 INFO L583 CodeCheckObserver]: Invariant with dag size 38 [2018-12-02 14:25:37,400 INFO L583 CodeCheckObserver]: Invariant with dag size 38 [2018-12-02 14:25:37,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:25:37 ImpRootNode [2018-12-02 14:25:37,401 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 14:25:37,401 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:25:37,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:25:37,401 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:25:37,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:16:39" (3/4) ... [2018-12-02 14:25:37,404 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:25:37,414 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-02 14:25:37,415 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 14:25:37,415 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 14:25:37,416 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 14:25:37,471 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4c4698a2-19ee-47db-805b-e087509c947c/bin-2019/ukojak/witness.graphml [2018-12-02 14:25:37,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:25:37,471 INFO L168 Benchmark]: Toolchain (without parser) took 539676.12 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 950.6 MB in the beginning and 1.3 GB in the end (delta: -355.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-02 14:25:37,472 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:25:37,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:25:37,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:25:37,472 INFO L168 Benchmark]: Boogie Preprocessor took 28.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:25:37,472 INFO L168 Benchmark]: RCFGBuilder took 1028.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 874.4 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. [2018-12-02 14:25:37,472 INFO L168 Benchmark]: CodeCheck took 538186.26 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 874.4 MB in the beginning and 1.3 GB in the end (delta: -461.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-12-02 14:25:37,472 INFO L168 Benchmark]: Witness Printer took 69.60 ms. Allocated memory is still 2.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:25:37,474 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 524.2s OverallTime, 258 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1151375372 SDtfs, -1222369692 SDslu, 1473032268 SDs, 0 SdLazy, -779679788 SolverSat, -1942687484 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1888.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410404 GetRequests, 397187 SyntacticMatches, 11081 SemanticMatches, 2136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3824548 ImplicationChecksByTransitivity, 468.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 63676 NumberOfCodeBlocks, 63676 NumberOfCodeBlocksAsserted, 257 NumberOfCheckSat, 63419 ConstructedInterpolants, 0 QuantifiedInterpolants, 103772512 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 257 InterpolantComputations, 157 PerfectInterpolantSequences, 87362/97062 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: 586]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((!(a11 == 1) || (a19 == 1 && a25 == 1)) || ((!(a28 == 8) && a19 == 1) && a21 == 1)) || (a19 == 1 && !(a17 == 9))) || (((a28 == 9 && a17 == 7) && a21 == 1) && a25 == 1)) || (!(a19 == 1) && a28 == 10)) || (((a17 == 8 && a28 == 7) && a21 == 1) && a25 <= 0)) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a19 == 1 && !(a17 == 9)) || !(a11 == 1)) || (a19 == 1 && a25 == 1)) || ((!(a28 == 8) && a19 == 1) && a21 == 1)) || (((a17 == 8 && a28 == 7) && a21 == 1) && a25 <= 0)) || (((a28 == 9 && a17 == 7) && a21 == 1) && a25 == 1)) || (!(a19 == 1) && a28 == 10)) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1028.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 874.4 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. * CodeCheck took 538186.26 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 874.4 MB in the beginning and 1.3 GB in the end (delta: -461.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 69.60 ms. Allocated memory is still 2.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...