./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d643ba28d95f16d18742963f1ebc32166d4daeb8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:43:40,242 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:43:40,243 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:43:40,250 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:43:40,250 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:43:40,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:43:40,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:43:40,253 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:43:40,254 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:43:40,254 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:43:40,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:43:40,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:43:40,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:43:40,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:43:40,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:43:40,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:43:40,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:43:40,259 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:43:40,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:43:40,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:43:40,263 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:43:40,264 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:43:40,265 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:43:40,265 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:43:40,265 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:43:40,266 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:43:40,267 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:43:40,267 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:43:40,268 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:43:40,269 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:43:40,269 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:43:40,269 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:43:40,269 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:43:40,269 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:43:40,270 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:43:40,271 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:43:40,271 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 09:43:40,281 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:43:40,281 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:43:40,282 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:43:40,282 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:43:40,282 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:43:40,283 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:43:40,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:43:40,283 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:43:40,283 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:43:40,283 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:43:40,283 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:43:40,283 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:43:40,284 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:43:40,284 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:43:40,284 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:43:40,284 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:43:40,284 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:43:40,284 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:43:40,285 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:43:40,285 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:43:40,285 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:43:40,285 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:43:40,285 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:43:40,285 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:43:40,286 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:43:40,286 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 09:43:40,286 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:43:40,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:43:40,286 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d643ba28d95f16d18742963f1ebc32166d4daeb8 [2018-11-10 09:43:40,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:43:40,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:43:40,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:43:40,319 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:43:40,320 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:43:40,320 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-11-10 09:43:40,355 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/data/d46af2ec7/69a12e4b037c4614bffa019276c7d238/FLAGccae84adf [2018-11-10 09:43:40,811 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:43:40,812 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-11-10 09:43:40,821 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/data/d46af2ec7/69a12e4b037c4614bffa019276c7d238/FLAGccae84adf [2018-11-10 09:43:40,833 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/data/d46af2ec7/69a12e4b037c4614bffa019276c7d238 [2018-11-10 09:43:40,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:43:40,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:43:40,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:43:40,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:43:40,840 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:43:40,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:43:40" (1/1) ... [2018-11-10 09:43:40,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:40, skipping insertion in model container [2018-11-10 09:43:40,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:43:40" (1/1) ... [2018-11-10 09:43:40,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:43:40,887 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:43:41,126 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:43:41,129 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:43:41,194 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:43:41,206 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:43:41,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41 WrapperNode [2018-11-10 09:43:41,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:43:41,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:43:41,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:43:41,207 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:43:41,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2018-11-10 09:43:41,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2018-11-10 09:43:41,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:43:41,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:43:41,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:43:41,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:43:41,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2018-11-10 09:43:41,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2018-11-10 09:43:41,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2018-11-10 09:43:41,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2018-11-10 09:43:41,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2018-11-10 09:43:41,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2018-11-10 09:43:41,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... [2018-11-10 09:43:41,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:43:41,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:43:41,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:43:41,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:43:41,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:43:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:43:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 09:43:41,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:43:41,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:43:43,133 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:43:43,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:43:43 BoogieIcfgContainer [2018-11-10 09:43:43,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:43:43,135 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:43:43,135 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:43:43,142 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:43:43,142 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:43:43" (1/1) ... [2018-11-10 09:43:43,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:43:43,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 09:43:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 09:43:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 09:43:43,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:43,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2018-11-10 09:43:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2018-11-10 09:43:43,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 09:43:43,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:43,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 247 transitions. [2018-11-10 09:43:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 247 transitions. [2018-11-10 09:43:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 09:43:44,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:44,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 153 states and 256 transitions. [2018-11-10 09:43:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2018-11-10 09:43:44,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 09:43:44,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:44,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:44,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 158 states and 264 transitions. [2018-11-10 09:43:44,463 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 264 transitions. [2018-11-10 09:43:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 09:43:44,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:43:44,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 159 states and 265 transitions. [2018-11-10 09:43:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2018-11-10 09:43:44,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 09:43:44,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 09:43:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 287 transitions. [2018-11-10 09:43:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 287 transitions. [2018-11-10 09:43:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 09:43:44,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:45,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 187 states and 307 transitions. [2018-11-10 09:43:45,313 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 307 transitions. [2018-11-10 09:43:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 09:43:45,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 191 states and 312 transitions. [2018-11-10 09:43:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 312 transitions. [2018-11-10 09:43:45,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 09:43:45,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:46,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 207 states and 336 transitions. [2018-11-10 09:43:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 336 transitions. [2018-11-10 09:43:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 09:43:46,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 214 states and 346 transitions. [2018-11-10 09:43:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 346 transitions. [2018-11-10 09:43:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 09:43:46,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:47,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 230 states and 372 transitions. [2018-11-10 09:43:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 372 transitions. [2018-11-10 09:43:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 09:43:47,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:47,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 231 states and 376 transitions. [2018-11-10 09:43:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 376 transitions. [2018-11-10 09:43:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 09:43:47,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:43:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 242 states and 388 transitions. [2018-11-10 09:43:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 388 transitions. [2018-11-10 09:43:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 09:43:47,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:43:47,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 245 states and 392 transitions. [2018-11-10 09:43:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 392 transitions. [2018-11-10 09:43:47,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 09:43:47,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:48,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 254 states and 404 transitions. [2018-11-10 09:43:48,232 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 404 transitions. [2018-11-10 09:43:48,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 09:43:48,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:43:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 266 states and 422 transitions. [2018-11-10 09:43:48,899 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 422 transitions. [2018-11-10 09:43:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 09:43:48,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:43:49,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 267 states and 423 transitions. [2018-11-10 09:43:49,080 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 423 transitions. [2018-11-10 09:43:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 09:43:49,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:49,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 278 states and 439 transitions. [2018-11-10 09:43:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 439 transitions. [2018-11-10 09:43:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 09:43:49,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:43:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2018-11-10 09:43:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2018-11-10 09:43:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 09:43:49,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:43:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 294 states and 458 transitions. [2018-11-10 09:43:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2018-11-10 09:43:49,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 09:43:49,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:50,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 322 states and 495 transitions. [2018-11-10 09:43:50,461 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 495 transitions. [2018-11-10 09:43:50,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 09:43:50,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:43:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 331 states and 503 transitions. [2018-11-10 09:43:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 503 transitions. [2018-11-10 09:43:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 09:43:50,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:43:50,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 335 states and 508 transitions. [2018-11-10 09:43:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 508 transitions. [2018-11-10 09:43:50,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 09:43:50,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:43:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 339 states and 511 transitions. [2018-11-10 09:43:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 511 transitions. [2018-11-10 09:43:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 09:43:50,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:51,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 344 states and 518 transitions. [2018-11-10 09:43:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 518 transitions. [2018-11-10 09:43:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 09:43:51,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:51,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:51,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 359 states and 533 transitions. [2018-11-10 09:43:51,774 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 533 transitions. [2018-11-10 09:43:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 09:43:51,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:43:51,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 361 states and 535 transitions. [2018-11-10 09:43:51,897 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 535 transitions. [2018-11-10 09:43:51,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 09:43:51,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 367 states and 549 transitions. [2018-11-10 09:43:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 549 transitions. [2018-11-10 09:43:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 09:43:52,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 09:43:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 460 states and 664 transitions. [2018-11-10 09:43:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 664 transitions. [2018-11-10 09:43:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-10 09:43:53,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:53,481 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:43:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 484 states and 703 transitions. [2018-11-10 09:43:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 703 transitions. [2018-11-10 09:43:54,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-10 09:43:54,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:54,409 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:43:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 485 states and 705 transitions. [2018-11-10 09:43:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 705 transitions. [2018-11-10 09:43:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 09:43:54,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:55,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 528 states and 757 transitions. [2018-11-10 09:43:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 757 transitions. [2018-11-10 09:43:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 09:43:55,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 09:43:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 536 states and 768 transitions. [2018-11-10 09:43:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 768 transitions. [2018-11-10 09:43:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 09:43:56,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:43:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 544 states and 777 transitions. [2018-11-10 09:43:56,205 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 777 transitions. [2018-11-10 09:43:56,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-10 09:43:56,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:56,240 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 575 states and 814 transitions. [2018-11-10 09:43:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 814 transitions. [2018-11-10 09:43:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-10 09:43:57,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:57,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:57,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 597 states and 840 transitions. [2018-11-10 09:43:57,899 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 840 transitions. [2018-11-10 09:43:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 09:43:57,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:43:58,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 617 states and 865 transitions. [2018-11-10 09:43:58,547 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 865 transitions. [2018-11-10 09:43:58,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 09:43:58,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:58,567 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:58,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 636 states and 887 transitions. [2018-11-10 09:43:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 887 transitions. [2018-11-10 09:43:58,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 09:43:58,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:58,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 645 states and 895 transitions. [2018-11-10 09:43:58,986 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 895 transitions. [2018-11-10 09:43:58,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 09:43:58,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:59,007 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:43:59,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:43:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 668 states and 917 transitions. [2018-11-10 09:43:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 917 transitions. [2018-11-10 09:43:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 09:43:59,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:43:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:43:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 09:44:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 691 states and 947 transitions. [2018-11-10 09:44:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 947 transitions. [2018-11-10 09:44:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 09:44:00,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:44:01,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 715 states and 982 transitions. [2018-11-10 09:44:01,500 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 982 transitions. [2018-11-10 09:44:01,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 09:44:01,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 09:44:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 732 states and 1005 transitions. [2018-11-10 09:44:02,557 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1005 transitions. [2018-11-10 09:44:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 09:44:02,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 09:44:02,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 736 states and 1008 transitions. [2018-11-10 09:44:02,668 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1008 transitions. [2018-11-10 09:44:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 09:44:02,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 09:44:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 746 states and 1020 transitions. [2018-11-10 09:44:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1020 transitions. [2018-11-10 09:44:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 09:44:02,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:03,011 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:44:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 764 states and 1039 transitions. [2018-11-10 09:44:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1039 transitions. [2018-11-10 09:44:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 09:44:03,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:44:03,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:03,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 772 states and 1046 transitions. [2018-11-10 09:44:03,564 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1046 transitions. [2018-11-10 09:44:03,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 09:44:03,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:44:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 805 states and 1081 transitions. [2018-11-10 09:44:04,778 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1081 transitions. [2018-11-10 09:44:04,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 09:44:04,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:44:05,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:05,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 820 states and 1100 transitions. [2018-11-10 09:44:05,483 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1100 transitions. [2018-11-10 09:44:05,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-10 09:44:05,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:44:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 821 states and 1101 transitions. [2018-11-10 09:44:05,516 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1101 transitions. [2018-11-10 09:44:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-10 09:44:05,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 09:44:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 836 states and 1119 transitions. [2018-11-10 09:44:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1119 transitions. [2018-11-10 09:44:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-10 09:44:06,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 09:44:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 837 states and 1120 transitions. [2018-11-10 09:44:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1120 transitions. [2018-11-10 09:44:06,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 09:44:06,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:07,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 857 states and 1148 transitions. [2018-11-10 09:44:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1148 transitions. [2018-11-10 09:44:07,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 09:44:07,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 876 states and 1168 transitions. [2018-11-10 09:44:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1168 transitions. [2018-11-10 09:44:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 09:44:07,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 885 states and 1178 transitions. [2018-11-10 09:44:07,849 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1178 transitions. [2018-11-10 09:44:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 09:44:07,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:07,870 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 892 states and 1184 transitions. [2018-11-10 09:44:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1184 transitions. [2018-11-10 09:44:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 09:44:07,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 901 states and 1193 transitions. [2018-11-10 09:44:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1193 transitions. [2018-11-10 09:44:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 09:44:08,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 909 states and 1200 transitions. [2018-11-10 09:44:08,549 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1200 transitions. [2018-11-10 09:44:08,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 09:44:08,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 918 states and 1208 transitions. [2018-11-10 09:44:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1208 transitions. [2018-11-10 09:44:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 09:44:08,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:08,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 927 states and 1218 transitions. [2018-11-10 09:44:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1218 transitions. [2018-11-10 09:44:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 09:44:08,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 931 states and 1221 transitions. [2018-11-10 09:44:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1221 transitions. [2018-11-10 09:44:09,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 09:44:09,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 09:44:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 951 states and 1242 transitions. [2018-11-10 09:44:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1242 transitions. [2018-11-10 09:44:10,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 09:44:10,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 68 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 09:44:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:10,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 966 states and 1259 transitions. [2018-11-10 09:44:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1259 transitions. [2018-11-10 09:44:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 09:44:10,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 09:44:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 978 states and 1273 transitions. [2018-11-10 09:44:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1273 transitions. [2018-11-10 09:44:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 09:44:10,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 09:44:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 983 states and 1278 transitions. [2018-11-10 09:44:10,974 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1278 transitions. [2018-11-10 09:44:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 09:44:10,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 09:44:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 995 states and 1289 transitions. [2018-11-10 09:44:11,514 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1289 transitions. [2018-11-10 09:44:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 09:44:11,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 09:44:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1004 states and 1298 transitions. [2018-11-10 09:44:11,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1298 transitions. [2018-11-10 09:44:11,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 09:44:11,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:44:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1031 states and 1326 transitions. [2018-11-10 09:44:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1326 transitions. [2018-11-10 09:44:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 09:44:12,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:44:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1060 states and 1360 transitions. [2018-11-10 09:44:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1360 transitions. [2018-11-10 09:44:13,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 09:44:13,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:44:13,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1072 states and 1374 transitions. [2018-11-10 09:44:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1374 transitions. [2018-11-10 09:44:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 09:44:13,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 09:44:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1124 states and 1437 transitions. [2018-11-10 09:44:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1437 transitions. [2018-11-10 09:44:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 09:44:16,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:16,668 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:44:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1125 states and 1438 transitions. [2018-11-10 09:44:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1438 transitions. [2018-11-10 09:44:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 09:44:16,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-10 09:44:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1131 states and 1448 transitions. [2018-11-10 09:44:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1448 transitions. [2018-11-10 09:44:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 09:44:16,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:44:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1140 states and 1457 transitions. [2018-11-10 09:44:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1457 transitions. [2018-11-10 09:44:17,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 09:44:17,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:44:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1143 states and 1463 transitions. [2018-11-10 09:44:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1463 transitions. [2018-11-10 09:44:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 09:44:17,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:44:17,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:17,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1148 states and 1469 transitions. [2018-11-10 09:44:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1469 transitions. [2018-11-10 09:44:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 09:44:17,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:44:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1153 states and 1476 transitions. [2018-11-10 09:44:17,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1476 transitions. [2018-11-10 09:44:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 09:44:17,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:17,815 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 09:44:18,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1172 states and 1505 transitions. [2018-11-10 09:44:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1505 transitions. [2018-11-10 09:44:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 09:44:18,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1179 states and 1513 transitions. [2018-11-10 09:44:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1513 transitions. [2018-11-10 09:44:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 09:44:18,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:44:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1181 states and 1514 transitions. [2018-11-10 09:44:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1514 transitions. [2018-11-10 09:44:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 09:44:18,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-10 09:44:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1203 states and 1535 transitions. [2018-11-10 09:44:18,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1535 transitions. [2018-11-10 09:44:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 09:44:18,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 09:44:19,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1211 states and 1546 transitions. [2018-11-10 09:44:19,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1546 transitions. [2018-11-10 09:44:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 09:44:19,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 09:44:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1216 states and 1551 transitions. [2018-11-10 09:44:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1551 transitions. [2018-11-10 09:44:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 09:44:19,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 09:44:20,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:20,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1221 states and 1558 transitions. [2018-11-10 09:44:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1558 transitions. [2018-11-10 09:44:20,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 09:44:20,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:20,188 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 09:44:20,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1222 states and 1558 transitions. [2018-11-10 09:44:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1558 transitions. [2018-11-10 09:44:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 09:44:20,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:44:20,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1227 states and 1563 transitions. [2018-11-10 09:44:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1563 transitions. [2018-11-10 09:44:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 09:44:20,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 09:44:21,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:21,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1238 states and 1576 transitions. [2018-11-10 09:44:21,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1576 transitions. [2018-11-10 09:44:21,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 09:44:21,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 09:44:21,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1257 states and 1593 transitions. [2018-11-10 09:44:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1593 transitions. [2018-11-10 09:44:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 09:44:21,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 09:44:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1276 states and 1611 transitions. [2018-11-10 09:44:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1611 transitions. [2018-11-10 09:44:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 09:44:22,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 09:44:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:22,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1277 states and 1611 transitions. [2018-11-10 09:44:22,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1611 transitions. [2018-11-10 09:44:22,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 09:44:22,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 93 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:44:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1316 states and 1666 transitions. [2018-11-10 09:44:24,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1666 transitions. [2018-11-10 09:44:24,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 09:44:24,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:44:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1336 states and 1686 transitions. [2018-11-10 09:44:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1686 transitions. [2018-11-10 09:44:24,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-10 09:44:24,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 09:44:26,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:26,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1361 states and 1717 transitions. [2018-11-10 09:44:26,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1717 transitions. [2018-11-10 09:44:26,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-10 09:44:26,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 09:44:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1366 states and 1723 transitions. [2018-11-10 09:44:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1723 transitions. [2018-11-10 09:44:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 09:44:26,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 09:44:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1418 states and 1790 transitions. [2018-11-10 09:44:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1790 transitions. [2018-11-10 09:44:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 09:44:29,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 09:44:30,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1444 states and 1819 transitions. [2018-11-10 09:44:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1819 transitions. [2018-11-10 09:44:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 09:44:30,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 09:44:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1467 states and 1844 transitions. [2018-11-10 09:44:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1844 transitions. [2018-11-10 09:44:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 09:44:31,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:31,996 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 09:44:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:32,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1472 states and 1851 transitions. [2018-11-10 09:44:32,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1851 transitions. [2018-11-10 09:44:32,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 09:44:32,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 09:44:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1474 states and 1853 transitions. [2018-11-10 09:44:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1853 transitions. [2018-11-10 09:44:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 09:44:33,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:33,147 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 09:44:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1516 states and 1898 transitions. [2018-11-10 09:44:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1898 transitions. [2018-11-10 09:44:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 09:44:33,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 144 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:44:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:37,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1542 states and 1934 transitions. [2018-11-10 09:44:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1934 transitions. [2018-11-10 09:44:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 09:44:37,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 144 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:44:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1553 states and 1946 transitions. [2018-11-10 09:44:38,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1946 transitions. [2018-11-10 09:44:38,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 09:44:38,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 144 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:44:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1571 states and 1964 transitions. [2018-11-10 09:44:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1964 transitions. [2018-11-10 09:44:39,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 09:44:39,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 09:44:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1572 states and 1965 transitions. [2018-11-10 09:44:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1965 transitions. [2018-11-10 09:44:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 09:44:39,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 09:44:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1590 states and 1990 transitions. [2018-11-10 09:44:40,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 1990 transitions. [2018-11-10 09:44:40,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 09:44:40,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 09:44:41,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:41,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1609 states and 2008 transitions. [2018-11-10 09:44:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2008 transitions. [2018-11-10 09:44:41,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 09:44:41,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 09:44:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1632 states and 2031 transitions. [2018-11-10 09:44:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2031 transitions. [2018-11-10 09:44:42,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 09:44:42,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-10 09:44:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:42,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1640 states and 2038 transitions. [2018-11-10 09:44:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2038 transitions. [2018-11-10 09:44:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 09:44:42,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-10 09:44:42,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:42,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 1645 states and 2042 transitions. [2018-11-10 09:44:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2042 transitions. [2018-11-10 09:44:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 09:44:42,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 09:44:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1716 states and 2115 transitions. [2018-11-10 09:44:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2115 transitions. [2018-11-10 09:44:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 09:44:43,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 09:44:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1769 states and 2172 transitions. [2018-11-10 09:44:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2172 transitions. [2018-11-10 09:44:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-10 09:44:47,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 09:44:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1774 states and 2177 transitions. [2018-11-10 09:44:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2177 transitions. [2018-11-10 09:44:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-10 09:44:47,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:47,544 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 09:44:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:48,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1799 states and 2208 transitions. [2018-11-10 09:44:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2208 transitions. [2018-11-10 09:44:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-10 09:44:48,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-11-10 09:44:48,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1800 states and 2208 transitions. [2018-11-10 09:44:48,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2208 transitions. [2018-11-10 09:44:48,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-10 09:44:48,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:44:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-11-10 09:44:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:44:48,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1727 states and 2133 transitions. [2018-11-10 09:44:48,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2133 transitions. [2018-11-10 09:44:48,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 09:44:48,958 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 116 iterations. [2018-11-10 09:44:48,963 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 09:44:49,229 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-11-10 09:44:49,589 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-11-10 09:44:49,724 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-11-10 09:44:50,062 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-11-10 09:44:50,191 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-11-10 09:44:50,445 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-11-10 09:44:51,961 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 42 [2018-11-10 09:44:52,322 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 42 [2018-11-10 09:44:52,536 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 11 [2018-11-10 09:44:52,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:44:52,630 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 09:44:52,635 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 09:44:52,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 09:44:52 ImpRootNode [2018-11-10 09:44:52,635 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 09:44:52,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:44:52,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:44:52,636 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:44:52,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:43:43" (3/4) ... [2018-11-10 09:44:52,640 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 09:44:52,655 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-10 09:44:52,656 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 09:44:52,657 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 09:44:52,658 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 09:44:52,748 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_abc367d8-67e8-4d5f-bc98-00a87cad4deb/bin-2019/ukojak/witness.graphml [2018-11-10 09:44:52,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:44:52,749 INFO L168 Benchmark]: Toolchain (without parser) took 71912.42 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 952.2 MB in the beginning and 2.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 163.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:52,749 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:44:52,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.80 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:52,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -235.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:52,750 INFO L168 Benchmark]: Boogie Preprocessor took 40.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:52,750 INFO L168 Benchmark]: RCFGBuilder took 1768.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.4 MB in the end (delta: 234.7 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:52,750 INFO L168 Benchmark]: CodeCheck took 69501.00 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 909.9 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-10 09:44:52,750 INFO L168 Benchmark]: Witness Printer took 112.29 ms. Allocated memory is still 2.9 GB. Free memory is still 2.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:44:52,752 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 65.7s OverallTime, 116 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2135355152 SDtfs, -783400824 SDslu, 113805120 SDs, 0 SdLazy, -372094048 SolverSat, 1665810424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 269.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112675 GetRequests, 110323 SyntacticMatches, 1308 SemanticMatches, 1044 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746490 ImplicationChecksByTransitivity, 54.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 15806 NumberOfCodeBlocks, 15806 NumberOfCodeBlocksAsserted, 115 NumberOfCheckSat, 15691 ConstructedInterpolants, 0 QuantifiedInterpolants, 6547940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 115 InterpolantComputations, 102 PerfectInterpolantSequences, 10088/10158 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 557]: 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: (a20 == 1 || !(a16 == 6)) || !(a7 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a20 == 1 || !(a16 == 6)) || !(a7 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.80 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -235.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1768.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.4 MB in the end (delta: 234.7 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. * CodeCheck took 69501.00 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 909.9 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 112.29 ms. Allocated memory is still 2.9 GB. Free memory is still 2.7 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...