./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label46.c -s /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/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 7a28669cb9b241f33b1fd8e4286127a35464e045 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 23:20:26,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 23:20:26,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 23:20:26,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 23:20:26,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 23:20:26,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 23:20:26,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 23:20:26,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 23:20:26,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 23:20:26,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 23:20:26,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 23:20:26,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 23:20:26,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 23:20:26,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 23:20:26,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 23:20:26,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 23:20:26,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 23:20:26,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 23:20:26,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 23:20:26,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 23:20:26,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 23:20:26,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 23:20:26,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 23:20:26,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 23:20:26,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 23:20:26,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 23:20:26,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 23:20:26,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 23:20:26,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 23:20:26,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 23:20:26,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 23:20:26,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 23:20:26,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 23:20:26,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 23:20:26,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 23:20:26,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 23:20:26,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 23:20:26,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 23:20:26,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 23:20:26,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 23:20:26,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 23:20:26,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 23:20:26,176 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 23:20:26,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 23:20:26,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 23:20:26,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 23:20:26,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 23:20:26,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 23:20:26,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 23:20:26,178 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 23:20:26,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 23:20:26,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 23:20:26,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 23:20:26,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 23:20:26,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 23:20:26,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 23:20:26,179 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 23:20:26,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 23:20:26,180 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 23:20:26,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 23:20:26,180 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 23:20:26,180 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 23:20:26,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 23:20:26,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 23:20:26,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 23:20:26,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 23:20:26,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 23:20:26,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 23:20:26,182 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 23:20:26,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 23:20:26,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 23:20:26,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/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 -> 7a28669cb9b241f33b1fd8e4286127a35464e045 [2019-12-01 23:20:26,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 23:20:26,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 23:20:26,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 23:20:26,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 23:20:26,314 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 23:20:26,314 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label46.c [2019-12-01 23:20:26,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/data/e3d324af5/406f669037814505aec3f9fdc559a3e4/FLAG5be2b6516 [2019-12-01 23:20:26,755 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 23:20:26,756 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/sv-benchmarks/c/eca-rers2012/Problem01_label46.c [2019-12-01 23:20:26,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/data/e3d324af5/406f669037814505aec3f9fdc559a3e4/FLAG5be2b6516 [2019-12-01 23:20:26,773 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/data/e3d324af5/406f669037814505aec3f9fdc559a3e4 [2019-12-01 23:20:26,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 23:20:26,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 23:20:26,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 23:20:26,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 23:20:26,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 23:20:26,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:20:26" (1/1) ... [2019-12-01 23:20:26,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a42b77e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:26, skipping insertion in model container [2019-12-01 23:20:26,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:20:26" (1/1) ... [2019-12-01 23:20:26,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 23:20:26,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 23:20:27,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:20:27,060 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 23:20:27,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:20:27,124 INFO L208 MainTranslator]: Completed translation [2019-12-01 23:20:27,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27 WrapperNode [2019-12-01 23:20:27,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 23:20:27,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 23:20:27,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 23:20:27,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 23:20:27,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27" (1/1) ... [2019-12-01 23:20:27,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27" (1/1) ... [2019-12-01 23:20:27,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 23:20:27,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 23:20:27,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 23:20:27,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 23:20:27,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27" (1/1) ... [2019-12-01 23:20:27,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27" (1/1) ... [2019-12-01 23:20:27,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27" (1/1) ... [2019-12-01 23:20:27,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27" (1/1) ... [2019-12-01 23:20:27,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27" (1/1) ... [2019-12-01 23:20:27,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27" (1/1) ... [2019-12-01 23:20:27,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27" (1/1) ... [2019-12-01 23:20:27,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 23:20:27,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 23:20:27,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 23:20:27,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 23:20:27,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/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 [2019-12-01 23:20:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 23:20:27,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 23:20:28,343 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 23:20:28,344 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 23:20:28,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:28 BoogieIcfgContainer [2019-12-01 23:20:28,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 23:20:28,345 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 23:20:28,345 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 23:20:28,354 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 23:20:28,355 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:28" (1/1) ... [2019-12-01 23:20:28,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 23:20:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:28,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-12-01 23:20:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-12-01 23:20:28,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 23:20:28,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:28,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2019-12-01 23:20:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2019-12-01 23:20:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 23:20:28,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:29,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:29,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2019-12-01 23:20:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2019-12-01 23:20:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 23:20:29,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:29,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:29,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2019-12-01 23:20:29,334 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2019-12-01 23:20:29,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 23:20:29,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:29,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2019-12-01 23:20:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2019-12-01 23:20:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 23:20:29,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:29,594 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:20:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2019-12-01 23:20:29,636 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2019-12-01 23:20:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 23:20:29,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:20:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:30,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2019-12-01 23:20:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2019-12-01 23:20:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 23:20:30,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2019-12-01 23:20:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2019-12-01 23:20:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 23:20:30,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:31,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2019-12-01 23:20:31,117 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2019-12-01 23:20:31,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 23:20:31,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:31,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2019-12-01 23:20:31,502 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2019-12-01 23:20:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 23:20:31,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2019-12-01 23:20:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2019-12-01 23:20:31,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 23:20:31,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:31,673 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2019-12-01 23:20:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2019-12-01 23:20:32,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 23:20:32,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:32,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2019-12-01 23:20:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2019-12-01 23:20:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 23:20:32,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:20:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:32,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 232 states and 375 transitions. [2019-12-01 23:20:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 375 transitions. [2019-12-01 23:20:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 23:20:32,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:20:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 235 states and 377 transitions. [2019-12-01 23:20:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2019-12-01 23:20:32,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 23:20:32,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:20:33,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 249 states and 400 transitions. [2019-12-01 23:20:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 400 transitions. [2019-12-01 23:20:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 23:20:33,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:33,897 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:20:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 250 states and 401 transitions. [2019-12-01 23:20:34,076 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 401 transitions. [2019-12-01 23:20:34,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 23:20:34,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:34,092 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 267 states and 421 transitions. [2019-12-01 23:20:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 421 transitions. [2019-12-01 23:20:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 23:20:34,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:20:34,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2019-12-01 23:20:34,585 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2019-12-01 23:20:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 23:20:34,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:20:34,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:34,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 282 states and 440 transitions. [2019-12-01 23:20:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 440 transitions. [2019-12-01 23:20:34,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 23:20:34,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:20:34,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:34,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2019-12-01 23:20:34,828 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2019-12-01 23:20:34,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 23:20:34,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 294 states and 456 transitions. [2019-12-01 23:20:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 456 transitions. [2019-12-01 23:20:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-01 23:20:35,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 321 states and 493 transitions. [2019-12-01 23:20:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 493 transitions. [2019-12-01 23:20:36,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 23:20:36,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:20:36,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:36,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 330 states and 501 transitions. [2019-12-01 23:20:36,464 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 501 transitions. [2019-12-01 23:20:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 23:20:36,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:20:36,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 334 states and 505 transitions. [2019-12-01 23:20:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 505 transitions. [2019-12-01 23:20:36,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 23:20:36,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:20:36,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:36,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 338 states and 509 transitions. [2019-12-01 23:20:36,763 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 509 transitions. [2019-12-01 23:20:36,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 23:20:36,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:36,817 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:37,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 353 states and 526 transitions. [2019-12-01 23:20:37,305 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 526 transitions. [2019-12-01 23:20:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 23:20:37,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:37,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 356 states and 529 transitions. [2019-12-01 23:20:37,499 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 529 transitions. [2019-12-01 23:20:37,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 23:20:37,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:20:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 358 states and 531 transitions. [2019-12-01 23:20:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 531 transitions. [2019-12-01 23:20:37,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 23:20:37,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:20:38,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:38,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 384 states and 565 transitions. [2019-12-01 23:20:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 565 transitions. [2019-12-01 23:20:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 23:20:38,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 23:20:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:39,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 461 states and 657 transitions. [2019-12-01 23:20:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 657 transitions. [2019-12-01 23:20:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-12-01 23:20:39,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:20:40,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:40,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 466 states and 671 transitions. [2019-12-01 23:20:40,060 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 671 transitions. [2019-12-01 23:20:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-12-01 23:20:40,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:20:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 489 states and 704 transitions. [2019-12-01 23:20:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 704 transitions. [2019-12-01 23:20:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-01 23:20:41,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:41,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 512 states and 731 transitions. [2019-12-01 23:20:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 731 transitions. [2019-12-01 23:20:41,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 23:20:41,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:41,691 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 23:20:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 518 states and 738 transitions. [2019-12-01 23:20:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 738 transitions. [2019-12-01 23:20:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 23:20:42,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:20:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 526 states and 747 transitions. [2019-12-01 23:20:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 747 transitions. [2019-12-01 23:20:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 23:20:42,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 551 states and 782 transitions. [2019-12-01 23:20:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 782 transitions. [2019-12-01 23:20:43,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 23:20:43,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:20:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:44,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 558 states and 792 transitions. [2019-12-01 23:20:44,397 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 792 transitions. [2019-12-01 23:20:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 23:20:44,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:20:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 564 states and 803 transitions. [2019-12-01 23:20:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 803 transitions. [2019-12-01 23:20:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 23:20:44,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:20:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 579 states and 823 transitions. [2019-12-01 23:20:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 823 transitions. [2019-12-01 23:20:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 23:20:46,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:20:46,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:46,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 589 states and 833 transitions. [2019-12-01 23:20:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 833 transitions. [2019-12-01 23:20:46,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 23:20:46,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:46,461 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 23:20:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:46,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 600 states and 846 transitions. [2019-12-01 23:20:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 846 transitions. [2019-12-01 23:20:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 23:20:46,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:20:47,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 620 states and 871 transitions. [2019-12-01 23:20:47,759 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 871 transitions. [2019-12-01 23:20:47,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-12-01 23:20:47,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:47,842 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:20:48,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 628 states and 880 transitions. [2019-12-01 23:20:48,086 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 880 transitions. [2019-12-01 23:20:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-12-01 23:20:48,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:48,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:48,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 638 states and 891 transitions. [2019-12-01 23:20:48,331 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 891 transitions. [2019-12-01 23:20:48,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 23:20:48,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:48,355 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 23:20:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:48,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 648 states and 903 transitions. [2019-12-01 23:20:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 903 transitions. [2019-12-01 23:20:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-01 23:20:48,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 23:20:50,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 672 states and 930 transitions. [2019-12-01 23:20:50,610 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 930 transitions. [2019-12-01 23:20:50,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-01 23:20:50,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 23:20:50,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 673 states and 931 transitions. [2019-12-01 23:20:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 931 transitions. [2019-12-01 23:20:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-01 23:20:50,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:50,856 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:20:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 682 states and 945 transitions. [2019-12-01 23:20:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 945 transitions. [2019-12-01 23:20:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-01 23:20:51,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:20:51,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 692 states and 954 transitions. [2019-12-01 23:20:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 954 transitions. [2019-12-01 23:20:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-01 23:20:51,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:20:52,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 700 states and 961 transitions. [2019-12-01 23:20:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 961 transitions. [2019-12-01 23:20:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-01 23:20:52,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:20:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 741 states and 1014 transitions. [2019-12-01 23:20:55,768 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1014 transitions. [2019-12-01 23:20:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-01 23:20:55,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:20:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 750 states and 1023 transitions. [2019-12-01 23:20:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1023 transitions. [2019-12-01 23:20:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 23:20:56,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 23:20:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 767 states and 1039 transitions. [2019-12-01 23:20:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1039 transitions. [2019-12-01 23:20:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 23:20:57,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:57,187 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:20:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 783 states and 1063 transitions. [2019-12-01 23:20:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1063 transitions. [2019-12-01 23:20:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 23:20:57,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:57,583 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:20:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 793 states and 1072 transitions. [2019-12-01 23:20:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1072 transitions. [2019-12-01 23:20:57,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 23:20:57,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:20:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 810 states and 1091 transitions. [2019-12-01 23:20:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1091 transitions. [2019-12-01 23:20:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 23:20:58,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:58,274 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:20:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 818 states and 1098 transitions. [2019-12-01 23:20:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1098 transitions. [2019-12-01 23:20:58,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 23:20:58,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:20:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 826 states and 1107 transitions. [2019-12-01 23:20:59,098 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1107 transitions. [2019-12-01 23:20:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 23:20:59,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:20:59,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:59,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 841 states and 1126 transitions. [2019-12-01 23:20:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1126 transitions. [2019-12-01 23:20:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 23:20:59,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 23:21:00,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:00,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 856 states and 1142 transitions. [2019-12-01 23:21:00,311 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1142 transitions. [2019-12-01 23:21:00,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 23:21:00,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:21:00,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 857 states and 1143 transitions. [2019-12-01 23:21:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1143 transitions. [2019-12-01 23:21:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-01 23:21:00,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:21:00,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:00,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 866 states and 1152 transitions. [2019-12-01 23:21:00,647 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1152 transitions. [2019-12-01 23:21:00,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-01 23:21:00,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:21:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 878 states and 1165 transitions. [2019-12-01 23:21:00,804 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1165 transitions. [2019-12-01 23:21:00,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 23:21:00,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:21:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:01,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 896 states and 1183 transitions. [2019-12-01 23:21:01,705 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1183 transitions. [2019-12-01 23:21:01,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 23:21:01,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:21:02,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 924 states and 1216 transitions. [2019-12-01 23:21:02,683 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1216 transitions. [2019-12-01 23:21:02,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-12-01 23:21:02,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:02,895 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 23:21:06,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 974 states and 1269 transitions. [2019-12-01 23:21:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1269 transitions. [2019-12-01 23:21:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 23:21:06,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:21:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 986 states and 1283 transitions. [2019-12-01 23:21:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1283 transitions. [2019-12-01 23:21:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 23:21:06,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:21:07,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:07,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1002 states and 1301 transitions. [2019-12-01 23:21:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1301 transitions. [2019-12-01 23:21:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 23:21:07,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:21:08,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:08,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1012 states and 1310 transitions. [2019-12-01 23:21:08,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1310 transitions. [2019-12-01 23:21:08,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 23:21:08,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:08,095 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:21:08,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1013 states and 1311 transitions. [2019-12-01 23:21:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1311 transitions. [2019-12-01 23:21:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:21:08,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:21:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1078 states and 1377 transitions. [2019-12-01 23:21:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1377 transitions. [2019-12-01 23:21:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:21:16,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:16,171 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 23:21:18,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1112 states and 1421 transitions. [2019-12-01 23:21:18,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1421 transitions. [2019-12-01 23:21:18,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:21:18,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 23:21:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1113 states and 1423 transitions. [2019-12-01 23:21:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1423 transitions. [2019-12-01 23:21:18,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 23:21:18,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:18,575 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:21:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1122 states and 1432 transitions. [2019-12-01 23:21:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1432 transitions. [2019-12-01 23:21:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 23:21:19,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:21:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1152 states and 1465 transitions. [2019-12-01 23:21:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1465 transitions. [2019-12-01 23:21:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 23:21:21,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:21,859 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:21:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1174 states and 1486 transitions. [2019-12-01 23:21:22,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1486 transitions. [2019-12-01 23:21:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 23:21:22,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:22,843 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:21:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1183 states and 1495 transitions. [2019-12-01 23:21:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1495 transitions. [2019-12-01 23:21:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 23:21:23,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:21:23,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1191 states and 1502 transitions. [2019-12-01 23:21:23,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1502 transitions. [2019-12-01 23:21:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 23:21:23,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 23:21:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1195 states and 1510 transitions. [2019-12-01 23:21:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1510 transitions. [2019-12-01 23:21:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-01 23:21:23,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 23:21:24,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:24,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1209 states and 1525 transitions. [2019-12-01 23:21:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1525 transitions. [2019-12-01 23:21:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 23:21:24,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:21:29,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1234 states and 1558 transitions. [2019-12-01 23:21:29,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1558 transitions. [2019-12-01 23:21:29,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-01 23:21:29,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:21:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1254 states and 1578 transitions. [2019-12-01 23:21:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1578 transitions. [2019-12-01 23:21:29,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 23:21:29,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:29,768 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:21:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1279 states and 1603 transitions. [2019-12-01 23:21:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1603 transitions. [2019-12-01 23:21:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 23:21:31,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-01 23:21:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:34,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1290 states and 1629 transitions. [2019-12-01 23:21:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1629 transitions. [2019-12-01 23:21:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 23:21:34,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-01 23:21:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1291 states and 1631 transitions. [2019-12-01 23:21:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1631 transitions. [2019-12-01 23:21:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 23:21:34,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-01 23:21:35,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:35,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1292 states and 1634 transitions. [2019-12-01 23:21:35,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1634 transitions. [2019-12-01 23:21:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 23:21:35,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:21:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1312 states and 1657 transitions. [2019-12-01 23:21:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1657 transitions. [2019-12-01 23:21:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 23:21:36,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:21:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:37,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1329 states and 1679 transitions. [2019-12-01 23:21:37,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1679 transitions. [2019-12-01 23:21:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 23:21:37,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:21:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1340 states and 1692 transitions. [2019-12-01 23:21:38,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1692 transitions. [2019-12-01 23:21:38,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 23:21:38,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:21:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1346 states and 1699 transitions. [2019-12-01 23:21:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1699 transitions. [2019-12-01 23:21:39,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 23:21:39,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:21:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1348 states and 1701 transitions. [2019-12-01 23:21:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1701 transitions. [2019-12-01 23:21:40,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 23:21:40,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:21:41,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1354 states and 1706 transitions. [2019-12-01 23:21:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1706 transitions. [2019-12-01 23:21:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 23:21:41,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 23:21:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1395 states and 1750 transitions. [2019-12-01 23:21:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1750 transitions. [2019-12-01 23:21:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-12-01 23:21:42,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 23:21:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1396 states and 1751 transitions. [2019-12-01 23:21:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1751 transitions. [2019-12-01 23:21:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-12-01 23:21:42,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:21:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:42,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1400 states and 1755 transitions. [2019-12-01 23:21:42,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1755 transitions. [2019-12-01 23:21:42,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-01 23:21:42,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-12-01 23:21:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1417 states and 1773 transitions. [2019-12-01 23:21:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1773 transitions. [2019-12-01 23:21:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-01 23:21:44,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-12-01 23:21:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1432 states and 1788 transitions. [2019-12-01 23:21:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1788 transitions. [2019-12-01 23:21:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-01 23:21:45,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:46,042 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-12-01 23:21:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1502 states and 1867 transitions. [2019-12-01 23:21:46,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1867 transitions. [2019-12-01 23:21:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 23:21:46,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 23:21:50,723 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 23:21:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1550 states and 1915 transitions. [2019-12-01 23:21:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1915 transitions. [2019-12-01 23:21:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-12-01 23:21:56,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:21:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1570 states and 1940 transitions. [2019-12-01 23:21:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1940 transitions. [2019-12-01 23:21:57,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-12-01 23:21:57,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:21:58,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:21:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1581 states and 1952 transitions. [2019-12-01 23:21:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1952 transitions. [2019-12-01 23:21:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-12-01 23:21:58,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:21:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:21:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:22:01,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1597 states and 1972 transitions. [2019-12-01 23:22:01,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1972 transitions. [2019-12-01 23:22:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-12-01 23:22:01,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-01 23:22:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:01,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1601 states and 1980 transitions. [2019-12-01 23:22:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 1980 transitions. [2019-12-01 23:22:01,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-01 23:22:01,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:22:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1625 states and 2004 transitions. [2019-12-01 23:22:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2004 transitions. [2019-12-01 23:22:04,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-01 23:22:04,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:04,781 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:22:06,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1640 states and 2019 transitions. [2019-12-01 23:22:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2019 transitions. [2019-12-01 23:22:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-12-01 23:22:06,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:06,884 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-12-01 23:22:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1715 states and 2099 transitions. [2019-12-01 23:22:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2099 transitions. [2019-12-01 23:22:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 23:22:08,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:22:17,129 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-12-01 23:22:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1780 states and 2174 transitions. [2019-12-01 23:22:24,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2174 transitions. [2019-12-01 23:22:24,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 23:22:24,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:22:29,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:29,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1815 states and 2210 transitions. [2019-12-01 23:22:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2210 transitions. [2019-12-01 23:22:29,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 23:22:29,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:22:31,099 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-12-01 23:22:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1823 states and 2217 transitions. [2019-12-01 23:22:31,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2217 transitions. [2019-12-01 23:22:31,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 23:22:31,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:22:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1833 states and 2229 transitions. [2019-12-01 23:22:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2229 transitions. [2019-12-01 23:22:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 23:22:36,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:22:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1836 states and 2233 transitions. [2019-12-01 23:22:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2233 transitions. [2019-12-01 23:22:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 23:22:38,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 23:22:38,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:38,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1841 states and 2245 transitions. [2019-12-01 23:22:38,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2245 transitions. [2019-12-01 23:22:38,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-12-01 23:22:38,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:38,971 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-12-01 23:22:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1845 states and 2250 transitions. [2019-12-01 23:22:39,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2250 transitions. [2019-12-01 23:22:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-12-01 23:22:39,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-12-01 23:22:39,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:39,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1846 states and 2250 transitions. [2019-12-01 23:22:39,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2250 transitions. [2019-12-01 23:22:39,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-12-01 23:22:39,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 23:22:39,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1847 states and 2250 transitions. [2019-12-01 23:22:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2250 transitions. [2019-12-01 23:22:39,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-12-01 23:22:39,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:42,555 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-12-01 23:22:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 356 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:22:55,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:22:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 1952 states and 2365 transitions. [2019-12-01 23:22:55,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2365 transitions. [2019-12-01 23:22:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 23:22:55,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:22:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:22:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:22:58,892 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-12-01 23:23:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:23:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2019 states and 2434 transitions. [2019-12-01 23:23:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2434 transitions. [2019-12-01 23:23:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 23:23:13,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:23:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:23:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:23:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:23:18,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2062 states and 2476 transitions. [2019-12-01 23:23:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2476 transitions. [2019-12-01 23:23:18,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 23:23:18,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:23:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:23:18,483 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:23:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:23:19,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2071 states and 2484 transitions. [2019-12-01 23:23:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2484 transitions. [2019-12-01 23:23:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 23:23:19,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:23:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:23:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:23:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:23:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2077 states and 2489 transitions. [2019-12-01 23:23:20,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2489 transitions. [2019-12-01 23:23:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-12-01 23:23:20,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:23:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:23:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-12-01 23:23:29,706 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 23:23:32,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:23:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 2109 states and 2524 transitions. [2019-12-01 23:23:32,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2524 transitions. [2019-12-01 23:23:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-12-01 23:23:32,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:23:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:23:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-12-01 23:23:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:23:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2117 states and 2533 transitions. [2019-12-01 23:23:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2533 transitions. [2019-12-01 23:23:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-12-01 23:23:34,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:23:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:23:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-12-01 23:23:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:23:36,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2128 states and 2545 transitions. [2019-12-01 23:23:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2545 transitions. [2019-12-01 23:23:36,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-12-01 23:23:36,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:23:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:23:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-12-01 23:23:39,301 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 23:23:41,537 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-12-01 23:23:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:23:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2149 states and 2565 transitions. [2019-12-01 23:23:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2565 transitions. [2019-12-01 23:23:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-12-01 23:23:42,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:23:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:23:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 23:23:52,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:23:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2158 states and 2578 transitions. [2019-12-01 23:23:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2578 transitions. [2019-12-01 23:23:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-12-01 23:23:52,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:23:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:23:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 23:24:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2196 states and 2618 transitions. [2019-12-01 23:24:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2618 transitions. [2019-12-01 23:24:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-12-01 23:24:00,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:00,563 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 23:24:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2216 states and 2638 transitions. [2019-12-01 23:24:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2638 transitions. [2019-12-01 23:24:02,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-12-01 23:24:02,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:03,119 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 23:24:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2222 states and 2643 transitions. [2019-12-01 23:24:03,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 2643 transitions. [2019-12-01 23:24:03,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-12-01 23:24:03,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 23:24:08,123 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-12-01 23:24:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2226 states and 2650 transitions. [2019-12-01 23:24:11,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2650 transitions. [2019-12-01 23:24:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-12-01 23:24:11,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 23:24:20,325 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-12-01 23:24:22,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:22,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2274 states and 2697 transitions. [2019-12-01 23:24:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 2697 transitions. [2019-12-01 23:24:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-12-01 23:24:22,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 23:24:23,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2285 states and 2707 transitions. [2019-12-01 23:24:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 2707 transitions. [2019-12-01 23:24:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:24:23,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-12-01 23:24:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2329 states and 2766 transitions. [2019-12-01 23:24:29,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 2766 transitions. [2019-12-01 23:24:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:24:29,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:30,011 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-12-01 23:24:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:34,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2355 states and 2791 transitions. [2019-12-01 23:24:34,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2791 transitions. [2019-12-01 23:24:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:24:34,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-12-01 23:24:40,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:40,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2397 states and 2833 transitions. [2019-12-01 23:24:40,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 2833 transitions. [2019-12-01 23:24:40,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:24:40,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-12-01 23:24:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2430 states and 2874 transitions. [2019-12-01 23:24:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 2874 transitions. [2019-12-01 23:24:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:24:46,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-12-01 23:24:52,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:52,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2462 states and 2908 transitions. [2019-12-01 23:24:52,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 2908 transitions. [2019-12-01 23:24:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:24:52,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:52,834 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-12-01 23:24:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2472 states and 2917 transitions. [2019-12-01 23:24:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 2917 transitions. [2019-12-01 23:24:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:24:54,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-12-01 23:24:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2480 states and 2925 transitions. [2019-12-01 23:24:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 2925 transitions. [2019-12-01 23:24:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:24:56,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:56,240 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-12-01 23:24:57,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:57,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2488 states and 2932 transitions. [2019-12-01 23:24:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 2932 transitions. [2019-12-01 23:24:57,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:24:57,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:24:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-12-01 23:24:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:24:58,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2498 states and 2941 transitions. [2019-12-01 23:24:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 2941 transitions. [2019-12-01 23:24:58,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-12-01 23:24:58,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:24:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 442 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 23:25:07,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:07,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2502 states and 2946 transitions. [2019-12-01 23:25:07,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 2946 transitions. [2019-12-01 23:25:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 23:25:07,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-01 23:25:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2548 states and 2995 transitions. [2019-12-01 23:25:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 2995 transitions. [2019-12-01 23:25:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 23:25:17,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-01 23:25:20,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:20,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 2570 states and 3017 transitions. [2019-12-01 23:25:20,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 3017 transitions. [2019-12-01 23:25:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 23:25:20,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-01 23:25:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 2583 states and 3030 transitions. [2019-12-01 23:25:21,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2583 states and 3030 transitions. [2019-12-01 23:25:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 23:25:21,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-01 23:25:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 2585 states and 3031 transitions. [2019-12-01 23:25:22,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3031 transitions. [2019-12-01 23:25:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 23:25:22,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-01 23:25:23,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 2595 states and 3040 transitions. [2019-12-01 23:25:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 3040 transitions. [2019-12-01 23:25:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 23:25:23,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:26,867 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 515 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 23:25:29,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:29,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 2609 states and 3055 transitions. [2019-12-01 23:25:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3055 transitions. [2019-12-01 23:25:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-12-01 23:25:29,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-12-01 23:25:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:31,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 2643 states and 3088 transitions. [2019-12-01 23:25:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3088 transitions. [2019-12-01 23:25:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 23:25:31,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2019-12-01 23:25:36,667 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-12-01 23:25:37,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 2665 states and 3113 transitions. [2019-12-01 23:25:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3113 transitions. [2019-12-01 23:25:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 23:25:37,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2019-12-01 23:25:38,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 2666 states and 3114 transitions. [2019-12-01 23:25:38,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3114 transitions. [2019-12-01 23:25:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 23:25:38,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2019-12-01 23:25:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:25:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 2712 states and 3159 transitions. [2019-12-01 23:25:46,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3159 transitions. [2019-12-01 23:25:46,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-12-01 23:25:46,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:25:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:25:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:26:04,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:04,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 2744 states and 3197 transitions. [2019-12-01 23:26:04,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 3197 transitions. [2019-12-01 23:26:04,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-12-01 23:26:04,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:26:06,986 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 23:26:13,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:13,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 2761 states and 3215 transitions. [2019-12-01 23:26:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 3215 transitions. [2019-12-01 23:26:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-12-01 23:26:13,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:26:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3228 states to 2774 states and 3228 transitions. [2019-12-01 23:26:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3228 transitions. [2019-12-01 23:26:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-12-01 23:26:15,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:26:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:19,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 2783 states and 3235 transitions. [2019-12-01 23:26:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3235 transitions. [2019-12-01 23:26:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-12-01 23:26:19,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2019-12-01 23:26:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3273 states to 2817 states and 3273 transitions. [2019-12-01 23:26:25,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3273 transitions. [2019-12-01 23:26:25,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-12-01 23:26:25,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:26,223 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2019-12-01 23:26:29,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 2830 states and 3285 transitions. [2019-12-01 23:26:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3285 transitions. [2019-12-01 23:26:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-12-01 23:26:29,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2019-12-01 23:26:30,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 2839 states and 3294 transitions. [2019-12-01 23:26:30,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3294 transitions. [2019-12-01 23:26:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-12-01 23:26:30,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2019-12-01 23:26:32,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 2852 states and 3306 transitions. [2019-12-01 23:26:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3306 transitions. [2019-12-01 23:26:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-12-01 23:26:32,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 459 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2019-12-01 23:26:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 2857 states and 3310 transitions. [2019-12-01 23:26:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 3310 transitions. [2019-12-01 23:26:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-12-01 23:26:34,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:35,014 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 425 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2019-12-01 23:26:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3350 states to 2891 states and 3350 transitions. [2019-12-01 23:26:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 3350 transitions. [2019-12-01 23:26:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2019-12-01 23:26:37,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 612 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:26:42,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 2900 states and 3362 transitions. [2019-12-01 23:26:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3362 transitions. [2019-12-01 23:26:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2019-12-01 23:26:42,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 612 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:26:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 2915 states and 3376 transitions. [2019-12-01 23:26:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 3376 transitions. [2019-12-01 23:26:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-12-01 23:26:43,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2019-12-01 23:26:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 2919 states and 3382 transitions. [2019-12-01 23:26:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 3382 transitions. [2019-12-01 23:26:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-12-01 23:26:45,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2019-12-01 23:26:47,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:47,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 2935 states and 3400 transitions. [2019-12-01 23:26:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 3400 transitions. [2019-12-01 23:26:47,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-12-01 23:26:47,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2019-12-01 23:26:48,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3403 states to 2939 states and 3403 transitions. [2019-12-01 23:26:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 3403 transitions. [2019-12-01 23:26:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-12-01 23:26:48,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2019-12-01 23:26:49,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 2952 states and 3416 transitions. [2019-12-01 23:26:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2952 states and 3416 transitions. [2019-12-01 23:26:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-12-01 23:26:49,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2019-12-01 23:26:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 2962 states and 3426 transitions. [2019-12-01 23:26:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 3426 transitions. [2019-12-01 23:26:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:26:50,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:26:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 2978 states and 3446 transitions. [2019-12-01 23:26:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2978 states and 3446 transitions. [2019-12-01 23:26:53,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:26:53,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:26:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:26:56,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 2987 states and 3456 transitions. [2019-12-01 23:26:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 3456 transitions. [2019-12-01 23:26:56,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:26:56,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:26:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:26:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3005 states and 3477 transitions. [2019-12-01 23:27:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 3477 transitions. [2019-12-01 23:27:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:01,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3016 states and 3486 transitions. [2019-12-01 23:27:03,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 3486 transitions. [2019-12-01 23:27:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:03,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:03,565 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 3059 states and 3543 transitions. [2019-12-01 23:27:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3059 states and 3543 transitions. [2019-12-01 23:27:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:14,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3070 states and 3562 transitions. [2019-12-01 23:27:18,641 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 3562 transitions. [2019-12-01 23:27:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:18,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3102 states and 3597 transitions. [2019-12-01 23:27:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3102 states and 3597 transitions. [2019-12-01 23:27:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:27,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:29,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:29,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3104 states and 3598 transitions. [2019-12-01 23:27:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 3598 transitions. [2019-12-01 23:27:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:29,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:31,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:31,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 3114 states and 3608 transitions. [2019-12-01 23:27:31,802 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3608 transitions. [2019-12-01 23:27:31,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:31,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:39,964 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-01 23:27:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:43,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3154 states and 3647 transitions. [2019-12-01 23:27:43,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 3647 transitions. [2019-12-01 23:27:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:43,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 3165 states and 3658 transitions. [2019-12-01 23:27:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3165 states and 3658 transitions. [2019-12-01 23:27:45,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:45,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 3198 states and 3693 transitions. [2019-12-01 23:27:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 3198 states and 3693 transitions. [2019-12-01 23:27:55,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:55,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:27:56,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:56,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3208 states and 3702 transitions. [2019-12-01 23:27:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3702 transitions. [2019-12-01 23:27:56,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:27:56,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:28:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:02,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3717 states to 3226 states and 3717 transitions. [2019-12-01 23:28:02,870 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 3717 transitions. [2019-12-01 23:28:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:28:02,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:28:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3233 states and 3723 transitions. [2019-12-01 23:28:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 3723 transitions. [2019-12-01 23:28:04,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:28:04,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:28:04,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:04,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3237 states and 3726 transitions. [2019-12-01 23:28:04,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 3726 transitions. [2019-12-01 23:28:04,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:28:04,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:28:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 3241 states and 3731 transitions. [2019-12-01 23:28:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 3731 transitions. [2019-12-01 23:28:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:28:04,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:05,094 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:28:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:17,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3267 states and 3763 transitions. [2019-12-01 23:28:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 3763 transitions. [2019-12-01 23:28:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:28:17,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:28:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 3282 states and 3779 transitions. [2019-12-01 23:28:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 3779 transitions. [2019-12-01 23:28:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:28:21,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:28:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 3288 states and 3784 transitions. [2019-12-01 23:28:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3288 states and 3784 transitions. [2019-12-01 23:28:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:28:23,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:28:25,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3794 states to 3299 states and 3794 transitions. [2019-12-01 23:28:25,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 3794 transitions. [2019-12-01 23:28:25,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 23:28:25,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-12-01 23:28:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3337 states and 3831 transitions. [2019-12-01 23:28:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 3831 transitions. [2019-12-01 23:28:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-12-01 23:28:32,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 23:28:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3347 states and 3845 transitions. [2019-12-01 23:28:47,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3347 states and 3845 transitions. [2019-12-01 23:28:47,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-12-01 23:28:47,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 23:28:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3350 states and 3850 transitions. [2019-12-01 23:28:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3350 states and 3850 transitions. [2019-12-01 23:28:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-12-01 23:28:49,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 23:28:51,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3354 states and 3855 transitions. [2019-12-01 23:28:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 3855 transitions. [2019-12-01 23:28:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-12-01 23:28:51,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 23:28:58,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:28:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3368 states and 3867 transitions. [2019-12-01 23:28:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 3867 transitions. [2019-12-01 23:28:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-12-01 23:28:58,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:28:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:28:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 23:29:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3388 states and 3886 transitions. [2019-12-01 23:29:02,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 3886 transitions. [2019-12-01 23:29:02,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-12-01 23:29:02,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 23:29:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3398 states and 3895 transitions. [2019-12-01 23:29:04,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 3895 transitions. [2019-12-01 23:29:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-12-01 23:29:04,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2019-12-01 23:29:09,012 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-12-01 23:29:12,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3933 states to 3433 states and 3933 transitions. [2019-12-01 23:29:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3433 states and 3933 transitions. [2019-12-01 23:29:12,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-12-01 23:29:12,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2019-12-01 23:29:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3434 states and 3934 transitions. [2019-12-01 23:29:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 3934 transitions. [2019-12-01 23:29:14,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-12-01 23:29:14,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2019-12-01 23:29:18,296 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-12-01 23:29:19,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3457 states and 3957 transitions. [2019-12-01 23:29:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3457 states and 3957 transitions. [2019-12-01 23:29:19,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-12-01 23:29:19,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:20,007 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2019-12-01 23:29:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3467 states and 3966 transitions. [2019-12-01 23:29:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3467 states and 3966 transitions. [2019-12-01 23:29:20,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-12-01 23:29:20,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-12-01 23:29:24,445 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-12-01 23:29:30,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4024 states to 3521 states and 4024 transitions. [2019-12-01 23:29:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 4024 transitions. [2019-12-01 23:29:30,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-12-01 23:29:30,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-12-01 23:29:31,687 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-12-01 23:29:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4036 states to 3534 states and 4036 transitions. [2019-12-01 23:29:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3534 states and 4036 transitions. [2019-12-01 23:29:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-12-01 23:29:33,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-12-01 23:29:35,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4037 states to 3536 states and 4037 transitions. [2019-12-01 23:29:35,052 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4037 transitions. [2019-12-01 23:29:35,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2019-12-01 23:29:35,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 496 proven. 2 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2019-12-01 23:29:40,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 3549 states and 4051 transitions. [2019-12-01 23:29:40,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 4051 transitions. [2019-12-01 23:29:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2019-12-01 23:29:40,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 496 proven. 2 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2019-12-01 23:29:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:29:42,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 3556 states and 4057 transitions. [2019-12-01 23:29:42,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 4057 transitions. [2019-12-01 23:29:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-12-01 23:29:42,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:29:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:29:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 23:29:55,239 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-12-01 23:29:59,875 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 23:30:04,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:30:04,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 3565 states and 4069 transitions. [2019-12-01 23:30:04,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4069 transitions. [2019-12-01 23:30:04,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-12-01 23:30:04,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:30:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:30:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 23:30:07,755 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-12-01 23:30:09,347 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-12-01 23:30:09,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:30:09,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 3571 states and 4076 transitions. [2019-12-01 23:30:09,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3571 states and 4076 transitions. [2019-12-01 23:30:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-12-01 23:30:09,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:30:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:30:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 23:30:11,000 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 23:30:15,551 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 23:30:21,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:30:21,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 3600 states and 4104 transitions. [2019-12-01 23:30:21,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 4104 transitions. [2019-12-01 23:30:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-12-01 23:30:21,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:30:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:30:22,186 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 23:30:22,530 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-12-01 23:30:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:30:23,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4107 states to 3604 states and 4107 transitions. [2019-12-01 23:30:23,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4107 transitions. [2019-12-01 23:30:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2019-12-01 23:30:23,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:30:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:30:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2019-12-01 23:30:30,123 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 23:30:32,278 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 23:30:39,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:30:39,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4134 states to 3629 states and 4134 transitions. [2019-12-01 23:30:39,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3629 states and 4134 transitions. [2019-12-01 23:30:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2019-12-01 23:30:39,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:30:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:30:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2019-12-01 23:30:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:30:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 3671 states and 4176 transitions. [2019-12-01 23:30:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3671 states and 4176 transitions. [2019-12-01 23:30:45,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2019-12-01 23:30:45,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:30:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:30:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2019-12-01 23:30:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:30:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 3673 states and 4177 transitions. [2019-12-01 23:30:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 4177 transitions. [2019-12-01 23:30:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2019-12-01 23:30:46,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:30:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:30:48,089 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-12-01 23:30:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 634 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-12-01 23:31:04,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:31:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 3725 states and 4229 transitions. [2019-12-01 23:31:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 3725 states and 4229 transitions. [2019-12-01 23:31:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2019-12-01 23:31:04,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:31:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:31:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 687 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2019-12-01 23:31:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:31:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4235 states to 3729 states and 4235 transitions. [2019-12-01 23:31:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3729 states and 4235 transitions. [2019-12-01 23:31:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2019-12-01 23:31:07,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:31:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:31:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 687 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2019-12-01 23:31:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:31:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 3730 states and 4237 transitions. [2019-12-01 23:31:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 4237 transitions. [2019-12-01 23:31:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-12-01 23:31:08,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:31:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:31:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:31:20,973 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-12-01 23:31:22,510 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-12-01 23:31:23,418 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-12-01 23:31:27,711 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 23:31:29,840 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-12-01 23:31:31,851 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-12-01 23:31:32,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:31:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 3751 states and 4264 transitions. [2019-12-01 23:31:32,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3751 states and 4264 transitions. [2019-12-01 23:31:32,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-12-01 23:31:32,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:31:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:31:32,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:31:33,714 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-12-01 23:31:35,456 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-12-01 23:31:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:31:37,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 3761 states and 4273 transitions. [2019-12-01 23:31:37,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 4273 transitions. [2019-12-01 23:31:37,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-12-01 23:31:37,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:31:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:31:37,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:31:39,210 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-12-01 23:31:40,900 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-12-01 23:31:41,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:31:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 3764 states and 4276 transitions. [2019-12-01 23:31:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3764 states and 4276 transitions. [2019-12-01 23:31:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-12-01 23:31:41,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:31:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:31:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:31:42,660 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-12-01 23:31:43,404 WARN L192 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-12-01 23:31:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:31:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 3769 states and 4279 transitions. [2019-12-01 23:31:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 4279 transitions. [2019-12-01 23:31:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-12-01 23:31:44,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:31:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:31:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:31:47,572 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 23:31:49,463 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-12-01 23:31:51,972 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-12-01 23:31:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:31:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4306 states to 3797 states and 4306 transitions. [2019-12-01 23:31:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 4306 transitions. [2019-12-01 23:31:53,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-12-01 23:31:53,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:31:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:31:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:31:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:31:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4307 states to 3799 states and 4307 transitions. [2019-12-01 23:31:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3799 states and 4307 transitions. [2019-12-01 23:31:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2019-12-01 23:31:54,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:31:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:31:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 562 proven. 8 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2019-12-01 23:32:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:32:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4393 states to 3878 states and 4393 transitions. [2019-12-01 23:32:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4393 transitions. [2019-12-01 23:32:07,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2019-12-01 23:32:07,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:32:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:32:14,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 23:32:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:32:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4399 states to 3882 states and 4399 transitions. [2019-12-01 23:32:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 4399 transitions. [2019-12-01 23:32:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 23:32:21,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:32:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:32:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 258 proven. 532 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2019-12-01 23:32:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:32:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 3743 states and 4254 transitions. [2019-12-01 23:32:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 4254 transitions. [2019-12-01 23:32:25,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 23:32:25,272 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 225 iterations. [2019-12-01 23:32:25,278 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 23:32:25,531 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2019-12-01 23:32:25,737 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 27 [2019-12-01 23:32:26,029 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2019-12-01 23:32:26,231 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 27 [2019-12-01 23:32:26,490 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2019-12-01 23:32:26,824 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2019-12-01 23:32:27,012 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-12-01 23:32:27,332 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 32 [2019-12-01 23:32:27,617 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 31 [2019-12-01 23:32:27,966 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2019-12-01 23:32:28,172 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2019-12-01 23:32:28,422 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 34 [2019-12-01 23:32:28,524 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 25 [2019-12-01 23:32:28,823 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 34 [2019-12-01 23:32:29,137 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 32 [2019-12-01 23:32:29,277 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 25 [2019-12-01 23:32:29,577 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2019-12-01 23:32:29,678 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 25 [2019-12-01 23:32:30,043 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 29 [2019-12-01 23:32:30,269 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2019-12-01 23:32:30,537 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2019-12-01 23:32:30,767 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2019-12-01 23:32:30,867 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 25 [2019-12-01 23:32:31,094 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2019-12-01 23:32:31,314 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2019-12-01 23:32:31,532 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2019-12-01 23:32:31,643 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 27 [2019-12-01 23:32:31,852 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 27 [2019-12-01 23:32:32,173 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2019-12-01 23:32:32,418 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2019-12-01 23:32:32,731 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 27 [2019-12-01 23:32:32,957 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 29 [2019-12-01 23:32:33,313 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 34 [2019-12-01 23:32:33,595 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 27 [2019-12-01 23:32:33,807 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2019-12-01 23:32:34,156 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2019-12-01 23:32:34,383 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 29 [2019-12-01 23:32:34,574 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 27 [2019-12-01 23:32:34,876 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2019-12-01 23:32:35,052 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-12-01 23:32:35,361 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2019-12-01 23:32:35,500 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 27 [2019-12-01 23:32:35,703 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2019-12-01 23:32:36,005 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2019-12-01 23:32:36,341 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 32 [2019-12-01 23:32:36,748 WARN L192 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 60 [2019-12-01 23:32:36,849 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2019-12-01 23:32:37,186 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 27 [2019-12-01 23:32:37,380 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2019-12-01 23:32:37,665 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 29 [2019-12-01 23:32:38,034 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2019-12-01 23:32:38,320 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2019-12-01 23:32:38,523 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 29 [2019-12-01 23:32:38,803 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 34 [2019-12-01 23:32:38,803 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 23:32:38,807 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-12-01 23:32:38,812 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-12-01 23:32:38,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:32:38 ImpRootNode [2019-12-01 23:32:38,813 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 23:32:38,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 23:32:38,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 23:32:38,813 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 23:32:38,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:28" (3/4) ... [2019-12-01 23:32:38,816 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 23:32:38,830 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-12-01 23:32:38,831 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-01 23:32:38,832 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 23:32:38,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 23:32:38,917 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_903e33ff-555f-409b-817b-09d7fa05ad4f/bin/ukojak/witness.graphml [2019-12-01 23:32:38,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 23:32:38,918 INFO L168 Benchmark]: Toolchain (without parser) took 732142.79 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 659.0 MB). Free memory was 936.7 MB in the beginning and 614.6 MB in the end (delta: 322.0 MB). Peak memory consumption was 981.0 MB. Max. memory is 11.5 GB. [2019-12-01 23:32:38,918 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:32:38,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 936.7 MB in the beginning and 1.0 GB in the end (delta: -112.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-01 23:32:38,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:32:38,919 INFO L168 Benchmark]: Boogie Preprocessor took 37.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:32:38,919 INFO L168 Benchmark]: RCFGBuilder took 1132.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 825.4 MB in the end (delta: 213.3 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB. [2019-12-01 23:32:38,919 INFO L168 Benchmark]: CodeCheck took 730467.62 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 582.5 MB). Free memory was 825.4 MB in the beginning and 636.7 MB in the end (delta: 188.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2019-12-01 23:32:38,920 INFO L168 Benchmark]: Witness Printer took 104.23 ms. Allocated memory is still 1.7 GB. Free memory was 636.7 MB in the beginning and 614.6 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-12-01 23:32:38,921 INFO L335 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, 76 locations, 1 error locations. Result: SAFE, OverallTime: 716.9s, OverallIterations: 225, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 571544620 SDtfs, -588004198 SDslu, -867798798 SDs, 0 SdLazy, -409691780 SolverSat, 110263040 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1947.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 355809 GetRequests, 337609 SyntacticMatches, 15774 SemanticMatches, 2426 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4223698 ImplicationChecksByTransitivity, 646.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 89.8s InterpolantComputationTime, 53235 NumberOfCodeBlocks, 53235 NumberOfCodeBlocksAsserted, 224 NumberOfCheckSat, 53011 ConstructedInterpolants, 0 QuantifiedInterpolants, 94980384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 224 InterpolantComputations, 167 PerfectInterpolantSequences, 85909/87313 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 512]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a16 == 6) || a17 == 1) || a20 == 1) || ((((a12 == 8 && a17 <= 0) && !(1 == a7)) && a21 == 1) && 15 == a8) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a16 == 6) || a17 == 1) || a20 == 1) || ((((a12 == 8 && a17 <= 0) && !(1 == a7)) && a21 == 1) && 15 == a8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 936.7 MB in the beginning and 1.0 GB in the end (delta: -112.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1132.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 825.4 MB in the end (delta: 213.3 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB. * CodeCheck took 730467.62 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 582.5 MB). Free memory was 825.4 MB in the beginning and 636.7 MB in the end (delta: 188.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 104.23 ms. Allocated memory is still 1.7 GB. Free memory was 636.7 MB in the beginning and 614.6 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...