./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label45_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_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/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 6c1fad4c0512d9a273ed1e7c88caaf722fcdaad1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:34:20,181 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:34:20,182 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:34:20,190 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:34:20,190 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:34:20,191 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:34:20,192 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:34:20,193 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:34:20,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:34:20,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:34:20,195 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:34:20,195 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:34:20,196 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:34:20,197 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:34:20,197 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:34:20,198 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:34:20,198 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:34:20,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:34:20,201 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:34:20,202 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:34:20,202 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:34:20,203 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:34:20,204 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:34:20,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:34:20,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:34:20,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:34:20,206 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:34:20,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:34:20,207 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:34:20,207 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:34:20,207 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:34:20,208 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:34:20,208 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:34:20,208 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:34:20,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:34:20,209 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:34:20,209 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 09:34:20,219 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:34:20,219 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:34:20,219 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:34:20,220 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:34:20,220 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:34:20,220 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:34:20,220 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:34:20,220 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:34:20,221 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:34:20,221 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:34:20,221 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:34:20,221 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:34:20,221 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:34:20,221 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:34:20,221 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:34:20,221 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:34:20,222 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:34:20,222 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:34:20,222 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:34:20,222 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:34:20,222 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:34:20,222 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:34:20,222 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:34:20,222 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:34:20,223 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:34:20,223 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 09:34:20,223 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:34:20,223 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:34:20,223 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_58f691d3-f296-4d9f-8708-3b7af589d4a4/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 -> 6c1fad4c0512d9a273ed1e7c88caaf722fcdaad1 [2018-11-10 09:34:20,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:34:20,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:34:20,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:34:20,259 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:34:20,259 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:34:20,260 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c [2018-11-10 09:34:20,306 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/data/fca88302d/cfdb11f647804826a8dc062d56b8ee61/FLAG51c48db9a [2018-11-10 09:34:20,686 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:34:20,686 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/sv-benchmarks/c/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c [2018-11-10 09:34:20,695 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/data/fca88302d/cfdb11f647804826a8dc062d56b8ee61/FLAG51c48db9a [2018-11-10 09:34:20,707 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/data/fca88302d/cfdb11f647804826a8dc062d56b8ee61 [2018-11-10 09:34:20,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:34:20,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:34:20,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:34:20,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:34:20,714 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:34:20,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:34:20" (1/1) ... [2018-11-10 09:34:20,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50020d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:20, skipping insertion in model container [2018-11-10 09:34:20,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:34:20" (1/1) ... [2018-11-10 09:34:20,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:34:20,760 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:34:20,980 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:34:20,983 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:34:21,056 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:34:21,068 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:34:21,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21 WrapperNode [2018-11-10 09:34:21,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:34:21,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:34:21,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:34:21,070 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:34:21,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21" (1/1) ... [2018-11-10 09:34:21,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21" (1/1) ... [2018-11-10 09:34:21,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:34:21,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:34:21,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:34:21,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:34:21,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21" (1/1) ... [2018-11-10 09:34:21,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21" (1/1) ... [2018-11-10 09:34:21,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21" (1/1) ... [2018-11-10 09:34:21,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21" (1/1) ... [2018-11-10 09:34:21,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21" (1/1) ... [2018-11-10 09:34:21,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21" (1/1) ... [2018-11-10 09:34:21,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21" (1/1) ... [2018-11-10 09:34:21,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:34:21,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:34:21,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:34:21,223 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:34:21,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:34:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/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 09:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 09:34:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:34:21,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:34:22,756 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:34:22,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:34:22 BoogieIcfgContainer [2018-11-10 09:34:22,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:34:22,757 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:34:22,757 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:34:22,766 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:34:22,766 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:34:22" (1/1) ... [2018-11-10 09:34:22,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:34:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 09:34:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 09:34:22,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 09:34:22,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:23,019 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 09:34:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2018-11-10 09:34:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2018-11-10 09:34:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 09:34:23,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:23,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:34:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:23,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2018-11-10 09:34:23,681 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2018-11-10 09:34:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 09:34:23,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:23,720 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 09:34:23,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 153 states and 248 transitions. [2018-11-10 09:34:23,807 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 248 transitions. [2018-11-10 09:34:23,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 09:34:23,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:24,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:24,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 162 states and 264 transitions. [2018-11-10 09:34:24,058 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 264 transitions. [2018-11-10 09:34:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 09:34:24,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:24,081 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 09:34:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 163 states and 265 transitions. [2018-11-10 09:34:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 265 transitions. [2018-11-10 09:34:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 09:34:24,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:24,250 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 09:34:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 176 states and 286 transitions. [2018-11-10 09:34:24,556 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 286 transitions. [2018-11-10 09:34:24,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 09:34:24,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:24,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 182 states and 293 transitions. [2018-11-10 09:34:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 293 transitions. [2018-11-10 09:34:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 09:34:24,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:24,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 183 states and 294 transitions. [2018-11-10 09:34:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 294 transitions. [2018-11-10 09:34:24,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 09:34:24,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:24,907 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 09:34:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 198 states and 314 transitions. [2018-11-10 09:34:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 314 transitions. [2018-11-10 09:34:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 09:34:25,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:25,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 199 states and 316 transitions. [2018-11-10 09:34:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 316 transitions. [2018-11-10 09:34:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 09:34:25,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:25,463 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 09:34:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 209 states and 335 transitions. [2018-11-10 09:34:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 335 transitions. [2018-11-10 09:34:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 09:34:25,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:25,754 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 09:34:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 210 states and 337 transitions. [2018-11-10 09:34:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2018-11-10 09:34:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 09:34:25,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:34:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 211 states and 338 transitions. [2018-11-10 09:34:25,902 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 338 transitions. [2018-11-10 09:34:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 09:34:25,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:25,929 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 09:34:26,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 215 states and 344 transitions. [2018-11-10 09:34:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 344 transitions. [2018-11-10 09:34:26,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 09:34:26,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:26,092 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 09:34:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 226 states and 363 transitions. [2018-11-10 09:34:26,667 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 363 transitions. [2018-11-10 09:34:26,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 09:34:26,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:34:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:26,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 228 states and 364 transitions. [2018-11-10 09:34:26,770 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 364 transitions. [2018-11-10 09:34:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 09:34:26,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:34:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 233 states and 369 transitions. [2018-11-10 09:34:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 369 transitions. [2018-11-10 09:34:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 09:34:27,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 235 states and 372 transitions. [2018-11-10 09:34:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 372 transitions. [2018-11-10 09:34:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 09:34:27,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:27,224 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 09:34:27,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 246 states and 388 transitions. [2018-11-10 09:34:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 388 transitions. [2018-11-10 09:34:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 09:34:27,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:27,707 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 09:34:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 257 states and 402 transitions. [2018-11-10 09:34:28,138 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 402 transitions. [2018-11-10 09:34:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 09:34:28,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:34:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 259 states and 403 transitions. [2018-11-10 09:34:28,256 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 403 transitions. [2018-11-10 09:34:28,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 09:34:28,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 284 states and 437 transitions. [2018-11-10 09:34:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 437 transitions. [2018-11-10 09:34:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 09:34:29,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:29,227 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 09:34:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:29,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 287 states and 440 transitions. [2018-11-10 09:34:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 440 transitions. [2018-11-10 09:34:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 09:34:29,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:29,318 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 09:34:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 290 states and 443 transitions. [2018-11-10 09:34:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 443 transitions. [2018-11-10 09:34:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 09:34:29,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:34:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:29,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 292 states and 448 transitions. [2018-11-10 09:34:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 448 transitions. [2018-11-10 09:34:29,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 09:34:29,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 306 states and 470 transitions. [2018-11-10 09:34:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 470 transitions. [2018-11-10 09:34:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 09:34:30,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:31,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 322 states and 488 transitions. [2018-11-10 09:34:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 488 transitions. [2018-11-10 09:34:31,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 09:34:31,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 326 states and 492 transitions. [2018-11-10 09:34:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 492 transitions. [2018-11-10 09:34:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 09:34:31,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:31,500 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 09:34:32,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 340 states and 507 transitions. [2018-11-10 09:34:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 507 transitions. [2018-11-10 09:34:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 09:34:32,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:32,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 342 states and 510 transitions. [2018-11-10 09:34:32,136 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 510 transitions. [2018-11-10 09:34:32,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 09:34:32,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:33,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 368 states and 551 transitions. [2018-11-10 09:34:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 551 transitions. [2018-11-10 09:34:33,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 09:34:33,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:34,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 369 states and 553 transitions. [2018-11-10 09:34:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 553 transitions. [2018-11-10 09:34:34,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 09:34:34,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:34,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 381 states and 567 transitions. [2018-11-10 09:34:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 567 transitions. [2018-11-10 09:34:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 09:34:34,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 387 states and 573 transitions. [2018-11-10 09:34:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 573 transitions. [2018-11-10 09:34:35,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 09:34:35,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 391 states and 577 transitions. [2018-11-10 09:34:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 577 transitions. [2018-11-10 09:34:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-10 09:34:35,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 405 states and 598 transitions. [2018-11-10 09:34:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 598 transitions. [2018-11-10 09:34:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 09:34:36,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:34:37,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 419 states and 614 transitions. [2018-11-10 09:34:37,595 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 614 transitions. [2018-11-10 09:34:37,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 09:34:37,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:37,611 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 09:34:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:37,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 426 states and 623 transitions. [2018-11-10 09:34:37,965 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 623 transitions. [2018-11-10 09:34:37,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 09:34:37,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:37,990 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 09:34:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 427 states and 624 transitions. [2018-11-10 09:34:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 624 transitions. [2018-11-10 09:34:38,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 09:34:38,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:38,217 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 09:34:38,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:38,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 431 states and 627 transitions. [2018-11-10 09:34:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 627 transitions. [2018-11-10 09:34:38,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 09:34:38,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:38,355 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 09:34:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 448 states and 648 transitions. [2018-11-10 09:34:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 648 transitions. [2018-11-10 09:34:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 09:34:39,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 466 states and 676 transitions. [2018-11-10 09:34:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 676 transitions. [2018-11-10 09:34:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 09:34:40,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 484 states and 693 transitions. [2018-11-10 09:34:40,977 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 693 transitions. [2018-11-10 09:34:40,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 09:34:40,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:41,004 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 09:34:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:41,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 572 states and 787 transitions. [2018-11-10 09:34:41,919 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 787 transitions. [2018-11-10 09:34:41,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 09:34:41,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:42,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 581 states and 795 transitions. [2018-11-10 09:34:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 795 transitions. [2018-11-10 09:34:42,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 09:34:42,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:42,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 592 states and 810 transitions. [2018-11-10 09:34:42,980 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 810 transitions. [2018-11-10 09:34:42,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 09:34:42,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:43,017 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 09:34:43,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 594 states and 812 transitions. [2018-11-10 09:34:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 812 transitions. [2018-11-10 09:34:43,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 09:34:43,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:43,048 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 603 states and 823 transitions. [2018-11-10 09:34:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 823 transitions. [2018-11-10 09:34:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 09:34:43,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 636 states and 869 transitions. [2018-11-10 09:34:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 869 transitions. [2018-11-10 09:34:45,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 09:34:45,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:45,636 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:45,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 641 states and 875 transitions. [2018-11-10 09:34:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 875 transitions. [2018-11-10 09:34:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 09:34:45,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:45,857 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 646 states and 881 transitions. [2018-11-10 09:34:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 881 transitions. [2018-11-10 09:34:46,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 09:34:46,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 657 states and 894 transitions. [2018-11-10 09:34:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 894 transitions. [2018-11-10 09:34:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 09:34:47,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:47,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:47,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 658 states and 894 transitions. [2018-11-10 09:34:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 894 transitions. [2018-11-10 09:34:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 09:34:47,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:34:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:47,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 669 states and 912 transitions. [2018-11-10 09:34:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 912 transitions. [2018-11-10 09:34:47,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 09:34:47,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:34:47,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:47,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 674 states and 918 transitions. [2018-11-10 09:34:47,983 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 918 transitions. [2018-11-10 09:34:47,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 09:34:47,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:48,012 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:34:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 676 states and 920 transitions. [2018-11-10 09:34:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 920 transitions. [2018-11-10 09:34:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 09:34:48,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:34:48,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 678 states and 921 transitions. [2018-11-10 09:34:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 921 transitions. [2018-11-10 09:34:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 09:34:48,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 723 states and 969 transitions. [2018-11-10 09:34:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 969 transitions. [2018-11-10 09:34:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 09:34:50,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 737 states and 988 transitions. [2018-11-10 09:34:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 988 transitions. [2018-11-10 09:34:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 09:34:51,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:34:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 745 states and 996 transitions. [2018-11-10 09:34:51,488 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 996 transitions. [2018-11-10 09:34:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 09:34:51,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:34:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 759 states and 1026 transitions. [2018-11-10 09:34:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1026 transitions. [2018-11-10 09:34:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 09:34:52,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:34:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 764 states and 1034 transitions. [2018-11-10 09:34:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1034 transitions. [2018-11-10 09:34:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 09:34:52,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 09:34:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 769 states and 1045 transitions. [2018-11-10 09:34:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1045 transitions. [2018-11-10 09:34:53,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 09:34:53,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:34:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 808 states and 1098 transitions. [2018-11-10 09:34:55,592 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1098 transitions. [2018-11-10 09:34:55,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 09:34:55,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:34:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:56,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 826 states and 1115 transitions. [2018-11-10 09:34:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1115 transitions. [2018-11-10 09:34:56,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 09:34:56,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:34:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 835 states and 1125 transitions. [2018-11-10 09:34:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1125 transitions. [2018-11-10 09:34:56,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 09:34:56,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 09:34:58,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 860 states and 1157 transitions. [2018-11-10 09:34:58,112 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1157 transitions. [2018-11-10 09:34:58,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 09:34:58,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 09:34:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:58,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 862 states and 1160 transitions. [2018-11-10 09:34:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1160 transitions. [2018-11-10 09:34:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 09:34:58,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 09:34:58,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 864 states and 1162 transitions. [2018-11-10 09:34:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1162 transitions. [2018-11-10 09:34:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 09:34:58,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 09:34:58,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 869 states and 1166 transitions. [2018-11-10 09:34:58,964 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1166 transitions. [2018-11-10 09:34:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 09:34:58,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 09:34:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 878 states and 1174 transitions. [2018-11-10 09:34:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1174 transitions. [2018-11-10 09:34:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 09:34:59,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:34:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 09:34:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:34:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 883 states and 1178 transitions. [2018-11-10 09:34:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1178 transitions. [2018-11-10 09:34:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 09:34:59,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:34:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 09:35:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 893 states and 1198 transitions. [2018-11-10 09:35:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1198 transitions. [2018-11-10 09:35:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 09:35:01,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 09:35:04,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 954 states and 1272 transitions. [2018-11-10 09:35:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1272 transitions. [2018-11-10 09:35:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 09:35:04,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 09:35:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 957 states and 1276 transitions. [2018-11-10 09:35:05,155 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1276 transitions. [2018-11-10 09:35:05,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 09:35:05,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 974 states and 1293 transitions. [2018-11-10 09:35:05,286 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1293 transitions. [2018-11-10 09:35:05,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 09:35:05,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1005 states and 1330 transitions. [2018-11-10 09:35:06,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1330 transitions. [2018-11-10 09:35:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 09:35:06,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1030 states and 1357 transitions. [2018-11-10 09:35:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1357 transitions. [2018-11-10 09:35:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 09:35:08,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-10 09:35:09,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1031 states and 1357 transitions. [2018-11-10 09:35:09,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1357 transitions. [2018-11-10 09:35:09,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 09:35:09,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:11,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1084 states and 1421 transitions. [2018-11-10 09:35:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1421 transitions. [2018-11-10 09:35:11,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 09:35:11,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1101 states and 1437 transitions. [2018-11-10 09:35:12,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1437 transitions. [2018-11-10 09:35:12,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 09:35:12,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:12,633 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 09:35:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:12,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1118 states and 1455 transitions. [2018-11-10 09:35:12,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1455 transitions. [2018-11-10 09:35:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 09:35:12,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:14,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:14,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1155 states and 1497 transitions. [2018-11-10 09:35:14,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1497 transitions. [2018-11-10 09:35:14,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 09:35:14,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1184 states and 1527 transitions. [2018-11-10 09:35:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1527 transitions. [2018-11-10 09:35:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 09:35:15,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:15,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:15,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1191 states and 1534 transitions. [2018-11-10 09:35:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1534 transitions. [2018-11-10 09:35:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 09:35:15,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1193 states and 1535 transitions. [2018-11-10 09:35:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1535 transitions. [2018-11-10 09:35:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 09:35:16,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 09:35:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1207 states and 1552 transitions. [2018-11-10 09:35:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1552 transitions. [2018-11-10 09:35:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 09:35:16,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 09:35:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1238 states and 1589 transitions. [2018-11-10 09:35:18,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1589 transitions. [2018-11-10 09:35:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 09:35:18,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:18,832 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 09:35:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1247 states and 1598 transitions. [2018-11-10 09:35:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1598 transitions. [2018-11-10 09:35:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 09:35:19,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:35:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1254 states and 1608 transitions. [2018-11-10 09:35:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1608 transitions. [2018-11-10 09:35:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 09:35:19,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 09:35:20,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1259 states and 1615 transitions. [2018-11-10 09:35:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1615 transitions. [2018-11-10 09:35:20,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 09:35:20,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1279 states and 1640 transitions. [2018-11-10 09:35:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1640 transitions. [2018-11-10 09:35:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 09:35:21,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:21,754 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 09:35:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1310 states and 1678 transitions. [2018-11-10 09:35:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1678 transitions. [2018-11-10 09:35:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 09:35:23,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 09:35:23,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1312 states and 1679 transitions. [2018-11-10 09:35:23,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1679 transitions. [2018-11-10 09:35:23,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 09:35:23,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 09:35:23,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1337 states and 1708 transitions. [2018-11-10 09:35:23,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1708 transitions. [2018-11-10 09:35:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 09:35:23,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:24,025 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 09:35:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1404 states and 1784 transitions. [2018-11-10 09:35:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1784 transitions. [2018-11-10 09:35:26,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 09:35:26,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 09:35:26,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1409 states and 1789 transitions. [2018-11-10 09:35:26,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1789 transitions. [2018-11-10 09:35:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 09:35:26,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 09:35:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1417 states and 1800 transitions. [2018-11-10 09:35:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1800 transitions. [2018-11-10 09:35:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 09:35:27,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 09:35:29,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:29,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1428 states and 1817 transitions. [2018-11-10 09:35:29,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1817 transitions. [2018-11-10 09:35:29,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 09:35:29,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 09:35:30,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1435 states and 1825 transitions. [2018-11-10 09:35:30,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1825 transitions. [2018-11-10 09:35:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 09:35:30,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:30,593 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 09:35:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1438 states and 1828 transitions. [2018-11-10 09:35:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1828 transitions. [2018-11-10 09:35:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 09:35:30,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:34,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1469 states and 1869 transitions. [2018-11-10 09:35:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1869 transitions. [2018-11-10 09:35:34,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 09:35:34,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1472 states and 1871 transitions. [2018-11-10 09:35:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1871 transitions. [2018-11-10 09:35:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 09:35:34,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 09:35:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:35,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1477 states and 1875 transitions. [2018-11-10 09:35:35,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1875 transitions. [2018-11-10 09:35:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 09:35:35,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 09:35:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1479 states and 1876 transitions. [2018-11-10 09:35:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1876 transitions. [2018-11-10 09:35:35,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 09:35:35,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 09:35:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1480 states and 1877 transitions. [2018-11-10 09:35:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1877 transitions. [2018-11-10 09:35:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 09:35:36,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:36,980 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1514 states and 1915 transitions. [2018-11-10 09:35:38,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1915 transitions. [2018-11-10 09:35:38,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 09:35:38,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1515 states and 1916 transitions. [2018-11-10 09:35:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1916 transitions. [2018-11-10 09:35:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-10 09:35:39,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 09:35:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:40,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1528 states and 1933 transitions. [2018-11-10 09:35:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1933 transitions. [2018-11-10 09:35:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-10 09:35:40,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 09:35:41,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1533 states and 1938 transitions. [2018-11-10 09:35:41,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1938 transitions. [2018-11-10 09:35:41,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 09:35:41,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1543 states and 1952 transitions. [2018-11-10 09:35:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1952 transitions. [2018-11-10 09:35:43,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 09:35:43,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:44,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1554 states and 1965 transitions. [2018-11-10 09:35:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1965 transitions. [2018-11-10 09:35:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 09:35:44,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:45,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1568 states and 1978 transitions. [2018-11-10 09:35:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1978 transitions. [2018-11-10 09:35:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 09:35:45,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:46,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1573 states and 1984 transitions. [2018-11-10 09:35:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1984 transitions. [2018-11-10 09:35:46,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 09:35:46,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 1610 states and 2025 transitions. [2018-11-10 09:35:48,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2025 transitions. [2018-11-10 09:35:48,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 09:35:48,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:48,481 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:48,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 1636 states and 2049 transitions. [2018-11-10 09:35:48,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2049 transitions. [2018-11-10 09:35:48,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 09:35:48,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1641 states and 2055 transitions. [2018-11-10 09:35:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2055 transitions. [2018-11-10 09:35:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 09:35:49,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 6 proven. 114 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-10 09:35:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 1735 states and 2162 transitions. [2018-11-10 09:35:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2162 transitions. [2018-11-10 09:35:51,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 09:35:51,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 09:35:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1740 states and 2170 transitions. [2018-11-10 09:35:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2170 transitions. [2018-11-10 09:35:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 09:35:53,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 09:35:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:54,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1755 states and 2183 transitions. [2018-11-10 09:35:54,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2183 transitions. [2018-11-10 09:35:54,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 09:35:54,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 09:35:54,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:54,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1760 states and 2187 transitions. [2018-11-10 09:35:54,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2187 transitions. [2018-11-10 09:35:54,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 09:35:54,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:54,764 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 09:35:56,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1765 states and 2191 transitions. [2018-11-10 09:35:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2191 transitions. [2018-11-10 09:35:56,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 09:35:56,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:35:56,705 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:35:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:35:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 1805 states and 2236 transitions. [2018-11-10 09:35:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2236 transitions. [2018-11-10 09:35:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 09:35:59,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:35:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:00,574 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 09:36:01,068 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-11-10 09:36:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:03,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 1853 states and 2286 transitions. [2018-11-10 09:36:03,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2286 transitions. [2018-11-10 09:36:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 09:36:03,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:05,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1877 states and 2312 transitions. [2018-11-10 09:36:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2312 transitions. [2018-11-10 09:36:05,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 09:36:05,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:05,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 1877 states and 2311 transitions. [2018-11-10 09:36:05,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2311 transitions. [2018-11-10 09:36:05,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 09:36:05,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:36:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 1936 states and 2371 transitions. [2018-11-10 09:36:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2371 transitions. [2018-11-10 09:36:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 09:36:11,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 09:36:11,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:11,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 1937 states and 2371 transitions. [2018-11-10 09:36:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2371 transitions. [2018-11-10 09:36:11,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 09:36:11,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 280 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:15,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:15,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 1958 states and 2399 transitions. [2018-11-10 09:36:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2399 transitions. [2018-11-10 09:36:15,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 09:36:15,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 09:36:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 1978 states and 2422 transitions. [2018-11-10 09:36:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2422 transitions. [2018-11-10 09:36:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 09:36:15,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-10 09:36:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2048 states and 2496 transitions. [2018-11-10 09:36:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2496 transitions. [2018-11-10 09:36:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-10 09:36:17,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-11-10 09:36:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2050 states and 2497 transitions. [2018-11-10 09:36:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2497 transitions. [2018-11-10 09:36:18,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-10 09:36:18,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-10 09:36:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2063 states and 2513 transitions. [2018-11-10 09:36:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2513 transitions. [2018-11-10 09:36:19,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-10 09:36:19,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-10 09:36:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:20,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2068 states and 2517 transitions. [2018-11-10 09:36:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2517 transitions. [2018-11-10 09:36:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-10 09:36:20,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 09:36:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:20,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2072 states and 2522 transitions. [2018-11-10 09:36:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2522 transitions. [2018-11-10 09:36:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 09:36:20,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:20,896 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 09:36:21,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2073 states and 2522 transitions. [2018-11-10 09:36:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2522 transitions. [2018-11-10 09:36:21,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 09:36:21,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-10 09:36:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2078 states and 2527 transitions. [2018-11-10 09:36:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2527 transitions. [2018-11-10 09:36:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 09:36:22,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-10 09:36:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2099 states and 2549 transitions. [2018-11-10 09:36:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2549 transitions. [2018-11-10 09:36:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 09:36:23,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-10 09:36:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:24,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2109 states and 2559 transitions. [2018-11-10 09:36:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2559 transitions. [2018-11-10 09:36:24,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 09:36:24,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-10 09:36:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2111 states and 2561 transitions. [2018-11-10 09:36:25,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2561 transitions. [2018-11-10 09:36:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 09:36:25,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-10 09:36:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2115 states and 2564 transitions. [2018-11-10 09:36:25,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2564 transitions. [2018-11-10 09:36:25,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 09:36:25,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-10 09:36:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2118 states and 2567 transitions. [2018-11-10 09:36:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2567 transitions. [2018-11-10 09:36:26,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 09:36:26,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 09:36:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2125 states and 2576 transitions. [2018-11-10 09:36:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2576 transitions. [2018-11-10 09:36:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 09:36:27,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 09:36:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:27,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2126 states and 2576 transitions. [2018-11-10 09:36:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2576 transitions. [2018-11-10 09:36:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 09:36:27,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 09:36:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2128 states and 2577 transitions. [2018-11-10 09:36:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2577 transitions. [2018-11-10 09:36:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-10 09:36:27,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 190 proven. 5 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-10 09:36:29,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2204 states and 2671 transitions. [2018-11-10 09:36:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2671 transitions. [2018-11-10 09:36:29,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 09:36:29,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 8 proven. 223 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-10 09:36:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2210 states and 2680 transitions. [2018-11-10 09:36:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2680 transitions. [2018-11-10 09:36:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 09:36:30,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 8 proven. 223 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-10 09:36:30,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2211 states and 2680 transitions. [2018-11-10 09:36:30,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2680 transitions. [2018-11-10 09:36:30,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 09:36:30,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:31,447 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:36:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:33,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2241 states and 2715 transitions. [2018-11-10 09:36:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2715 transitions. [2018-11-10 09:36:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 09:36:33,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:33,163 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:36:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:35,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2261 states and 2735 transitions. [2018-11-10 09:36:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2735 transitions. [2018-11-10 09:36:35,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 09:36:35,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:35,175 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:36:35,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:35,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2262 states and 2736 transitions. [2018-11-10 09:36:35,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2736 transitions. [2018-11-10 09:36:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 09:36:35,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:36:40,414 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2018-11-10 09:36:41,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2307 states and 2792 transitions. [2018-11-10 09:36:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2792 transitions. [2018-11-10 09:36:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 09:36:41,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:36:42,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2310 states and 2795 transitions. [2018-11-10 09:36:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2795 transitions. [2018-11-10 09:36:42,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 09:36:42,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:36:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:43,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2322 states and 2807 transitions. [2018-11-10 09:36:43,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2807 transitions. [2018-11-10 09:36:43,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 09:36:43,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:36:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2328 states and 2818 transitions. [2018-11-10 09:36:45,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 2818 transitions. [2018-11-10 09:36:45,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 09:36:45,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:36:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2347 states and 2837 transitions. [2018-11-10 09:36:47,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2837 transitions. [2018-11-10 09:36:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-10 09:36:47,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:36:53,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:53,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2382 states and 2894 transitions. [2018-11-10 09:36:53,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 2894 transitions. [2018-11-10 09:36:53,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-10 09:36:53,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:36:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:56,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2396 states and 2913 transitions. [2018-11-10 09:36:56,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2913 transitions. [2018-11-10 09:36:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 09:36:56,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 09:37:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2426 states and 2946 transitions. [2018-11-10 09:37:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2946 transitions. [2018-11-10 09:37:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 09:37:02,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 09:37:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2449 states and 2968 transitions. [2018-11-10 09:37:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 2968 transitions. [2018-11-10 09:37:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-10 09:37:03,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-10 09:37:07,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:07,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 2505 states and 3024 transitions. [2018-11-10 09:37:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3024 transitions. [2018-11-10 09:37:07,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-10 09:37:07,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 09:37:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 2548 states and 3068 transitions. [2018-11-10 09:37:15,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3068 transitions. [2018-11-10 09:37:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-10 09:37:15,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 09:37:16,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 2553 states and 3072 transitions. [2018-11-10 09:37:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3072 transitions. [2018-11-10 09:37:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-10 09:37:16,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:17,227 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:37:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 2607 states and 3132 transitions. [2018-11-10 09:37:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 3132 transitions. [2018-11-10 09:37:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-10 09:37:26,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 09:37:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 2612 states and 3136 transitions. [2018-11-10 09:37:28,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3136 transitions. [2018-11-10 09:37:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-10 09:37:28,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 09:37:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:29,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 2614 states and 3138 transitions. [2018-11-10 09:37:29,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 3138 transitions. [2018-11-10 09:37:29,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-10 09:37:29,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-10 09:37:29,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 2615 states and 3138 transitions. [2018-11-10 09:37:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 3138 transitions. [2018-11-10 09:37:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-10 09:37:29,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 296 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-10 09:37:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 2622 states and 3146 transitions. [2018-11-10 09:37:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 3146 transitions. [2018-11-10 09:37:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 09:37:30,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 09:37:33,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 2635 states and 3164 transitions. [2018-11-10 09:37:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 3164 transitions. [2018-11-10 09:37:33,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 09:37:33,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 09:37:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 2640 states and 3171 transitions. [2018-11-10 09:37:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3171 transitions. [2018-11-10 09:37:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 09:37:34,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 09:37:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 2645 states and 3178 transitions. [2018-11-10 09:37:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3178 transitions. [2018-11-10 09:37:35,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 09:37:35,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 09:37:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 2650 states and 3185 transitions. [2018-11-10 09:37:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3185 transitions. [2018-11-10 09:37:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-10 09:37:36,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-10 09:37:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 2658 states and 3193 transitions. [2018-11-10 09:37:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3193 transitions. [2018-11-10 09:37:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-10 09:37:36,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-11-10 09:37:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 2673 states and 3210 transitions. [2018-11-10 09:37:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3210 transitions. [2018-11-10 09:37:37,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-10 09:37:37,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:38,009 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 09:37:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:42,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 2710 states and 3249 transitions. [2018-11-10 09:37:42,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3249 transitions. [2018-11-10 09:37:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-10 09:37:42,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 09:37:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 2721 states and 3259 transitions. [2018-11-10 09:37:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3259 transitions. [2018-11-10 09:37:43,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-10 09:37:43,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 09:37:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:44,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 2728 states and 3267 transitions. [2018-11-10 09:37:44,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3267 transitions. [2018-11-10 09:37:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-10 09:37:44,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 09:37:45,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 2730 states and 3269 transitions. [2018-11-10 09:37:45,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3269 transitions. [2018-11-10 09:37:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-10 09:37:45,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 09:37:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 2733 states and 3271 transitions. [2018-11-10 09:37:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 3271 transitions. [2018-11-10 09:37:45,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-10 09:37:45,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:45,911 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-11-10 09:37:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:47,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 2782 states and 3325 transitions. [2018-11-10 09:37:47,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3325 transitions. [2018-11-10 09:37:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-10 09:37:47,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-10 09:37:51,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:51,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 2820 states and 3368 transitions. [2018-11-10 09:37:51,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3368 transitions. [2018-11-10 09:37:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-10 09:37:51,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-10 09:37:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 2828 states and 3385 transitions. [2018-11-10 09:37:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3385 transitions. [2018-11-10 09:37:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-10 09:37:52,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:52,322 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-10 09:37:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 2834 states and 3390 transitions. [2018-11-10 09:37:53,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3390 transitions. [2018-11-10 09:37:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-10 09:37:53,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-10 09:37:54,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:54,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 2835 states and 3390 transitions. [2018-11-10 09:37:54,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3390 transitions. [2018-11-10 09:37:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-10 09:37:54,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 10 proven. 332 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-10 09:37:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 2840 states and 3395 transitions. [2018-11-10 09:37:54,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3395 transitions. [2018-11-10 09:37:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-10 09:37:54,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:37:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:37:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 444 proven. 12 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2018-11-10 09:37:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:37:55,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 2701 states and 3247 transitions. [2018-11-10 09:37:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3247 transitions. [2018-11-10 09:37:55,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 09:37:55,172 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 187 iterations. [2018-11-10 09:37:55,179 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 09:37:55,360 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 43 [2018-11-10 09:37:55,519 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 42 [2018-11-10 09:37:55,711 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-11-10 09:37:55,869 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2018-11-10 09:37:55,998 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 36 [2018-11-10 09:37:56,172 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 36 [2018-11-10 09:37:56,286 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12 [2018-11-10 09:37:56,406 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2018-11-10 09:37:56,780 WARN L179 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 36 [2018-11-10 09:37:57,117 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2018-11-10 09:37:57,233 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2018-11-10 09:37:57,398 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2018-11-10 09:37:57,520 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 12 [2018-11-10 09:37:57,773 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 48 [2018-11-10 09:37:58,026 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 36 [2018-11-10 09:37:58,161 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 42 [2018-11-10 09:37:58,289 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2018-11-10 09:37:58,469 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 45 [2018-11-10 09:37:58,672 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2018-11-10 09:37:58,807 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 42 [2018-11-10 09:37:58,938 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2018-11-10 09:37:59,158 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 42 [2018-11-10 09:37:59,330 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 42 [2018-11-10 09:37:59,559 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2018-11-10 09:37:59,856 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 45 [2018-11-10 09:38:00,011 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2018-11-10 09:38:00,324 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2018-11-10 09:38:00,559 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 43 [2018-11-10 09:38:00,740 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 45 [2018-11-10 09:38:01,107 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2018-11-10 09:38:01,270 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2018-11-10 09:38:01,514 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2018-11-10 09:38:01,717 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 43 [2018-11-10 09:38:01,910 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-11-10 09:38:02,182 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2018-11-10 09:38:02,411 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 42 [2018-11-10 09:38:02,559 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-11-10 09:38:02,744 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 36 [2018-11-10 09:38:02,910 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2018-11-10 09:38:03,042 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 36 [2018-11-10 09:38:03,224 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 48 [2018-11-10 09:38:03,353 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 12 [2018-11-10 09:38:03,353 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:38:03,355 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-11-10 09:38:03,360 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-11-10 09:38:03,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 09:38:03 ImpRootNode [2018-11-10 09:38:03,361 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 09:38:03,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:38:03,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:38:03,362 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:38:03,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:34:22" (3/4) ... [2018-11-10 09:38:03,366 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 09:38:03,381 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-10 09:38:03,382 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 09:38:03,383 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 09:38:03,383 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 09:38:03,474 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58f691d3-f296-4d9f-8708-3b7af589d4a4/bin-2019/ukojak/witness.graphml [2018-11-10 09:38:03,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:38:03,475 INFO L168 Benchmark]: Toolchain (without parser) took 222765.39 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -230.0 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-11-10 09:38:03,476 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:38:03,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.29 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 919.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:38:03,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 919.5 MB in the beginning and 1.2 GB in the end (delta: -241.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-11-10 09:38:03,476 INFO L168 Benchmark]: Boogie Preprocessor took 41.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:38:03,476 INFO L168 Benchmark]: RCFGBuilder took 1534.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 929.2 MB in the end (delta: 225.5 MB). Peak memory consumption was 225.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:38:03,479 INFO L168 Benchmark]: CodeCheck took 220604.10 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 929.2 MB in the beginning and 1.2 GB in the end (delta: -247.3 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-11-10 09:38:03,480 INFO L168 Benchmark]: Witness Printer took 112.83 ms. Allocated memory is still 4.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 86.5 kB). Peak memory consumption was 86.5 kB. Max. memory is 11.5 GB. [2018-11-10 09:38:03,481 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, 212.3s OverallTime, 187 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 538444172 SDtfs, 608927476 SDslu, -524284832 SDs, 0 SdLazy, 1242232818 SolverSat, -1429722550 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 650.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221588 GetRequests, 213428 SyntacticMatches, 6182 SemanticMatches, 1978 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3048052 ImplicationChecksByTransitivity, 188.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 26.2s InterpolantComputationTime, 32777 NumberOfCodeBlocks, 32777 NumberOfCodeBlocksAsserted, 186 NumberOfCheckSat, 32591 ConstructedInterpolants, 0 QuantifiedInterpolants, 36141728 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 186 InterpolantComputations, 125 PerfectInterpolantSequences, 32467/35227 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: 527]: 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: (a17 == 1 || !(a8 == 13)) || !(a16 == 5) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a17 == 1 || !(a8 == 13)) || !(a16 == 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.29 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 919.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 919.5 MB in the beginning and 1.2 GB in the end (delta: -241.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1534.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 929.2 MB in the end (delta: 225.5 MB). Peak memory consumption was 225.5 MB. Max. memory is 11.5 GB. * CodeCheck took 220604.10 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 929.2 MB in the beginning and 1.2 GB in the end (delta: -247.3 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 112.83 ms. Allocated memory is still 4.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 86.5 kB). Peak memory consumption was 86.5 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...