./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/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 1ca819190f643deb29414a088c4aa6e4cb582023 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:16:03,642 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:16:03,643 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:16:03,649 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:16:03,649 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:16:03,650 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:16:03,650 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:16:03,651 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:16:03,652 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:16:03,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:16:03,653 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:16:03,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:16:03,653 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:16:03,654 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:16:03,654 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:16:03,655 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:16:03,655 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:16:03,656 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:16:03,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:16:03,658 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:16:03,658 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:16:03,659 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:16:03,660 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:16:03,660 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:16:03,660 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:16:03,660 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:16:03,661 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:16:03,661 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:16:03,662 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:16:03,662 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:16:03,662 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:16:03,663 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:16:03,663 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:16:03,663 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:16:03,663 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:16:03,664 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:16:03,664 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 16:16:03,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:16:03,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:16:03,672 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:16:03,672 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:16:03,672 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:16:03,672 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:16:03,672 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:16:03,672 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:16:03,673 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:16:03,673 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:16:03,673 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:16:03,673 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:16:03,673 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:16:03,673 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:16:03,673 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:16:03,673 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:16:03,674 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:16:03,674 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:16:03,674 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:16:03,674 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:16:03,674 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:16:03,674 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:16:03,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:16:03,675 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:16:03,675 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:16:03,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:16:03,675 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 16:16:03,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:16:03,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:16:03,675 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_f45e782d-c5f3-48b0-9b0f-44c7303629da/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 -> 1ca819190f643deb29414a088c4aa6e4cb582023 [2018-12-01 16:16:03,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:16:03,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:16:03,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:16:03,705 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:16:03,705 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:16:03,705 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-12-01 16:16:03,750 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/data/e5a236e7c/88c5f65d568e421485bfa36b8cb4b7bb/FLAG7dac6a476 [2018-12-01 16:16:04,185 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:16:04,186 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-12-01 16:16:04,192 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/data/e5a236e7c/88c5f65d568e421485bfa36b8cb4b7bb/FLAG7dac6a476 [2018-12-01 16:16:04,201 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/data/e5a236e7c/88c5f65d568e421485bfa36b8cb4b7bb [2018-12-01 16:16:04,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:16:04,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:16:04,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:16:04,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:16:04,207 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:16:04,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04, skipping insertion in model container [2018-12-01 16:16:04,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:16:04,237 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:16:04,406 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:16:04,409 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:16:04,491 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:16:04,500 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:16:04,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04 WrapperNode [2018-12-01 16:16:04,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:16:04,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:16:04,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:16:04,501 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:16:04,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:16:04,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:16:04,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:16:04,540 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:16:04,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04" (1/1) ... [2018-12-01 16:16:04,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:16:04,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:16:04,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:16:04,569 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:16:04,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:16:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:16:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:16:05,597 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:16:05,597 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 16:16:05,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:16:05 BoogieIcfgContainer [2018-12-01 16:16:05,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:16:05,598 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:16:05,598 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:16:05,604 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:16:05,605 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:16:05" (1/1) ... [2018-12-01 16:16:05,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:16:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 16:16:05,634 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 16:16:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 16:16:05,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-12-01 16:16:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-12-01 16:16:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 16:16:06,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:06,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2018-12-01 16:16:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-12-01 16:16:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 16:16:06,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:06,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2018-12-01 16:16:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2018-12-01 16:16:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 16:16:06,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2018-12-01 16:16:06,585 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2018-12-01 16:16:06,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 16:16:06,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:06,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-12-01 16:16:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-12-01 16:16:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 16:16:06,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:06,680 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:16:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2018-12-01 16:16:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-12-01 16:16:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 16:16:06,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:07,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:07,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2018-12-01 16:16:07,319 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2018-12-01 16:16:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 16:16:07,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:07,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2018-12-01 16:16:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2018-12-01 16:16:07,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 16:16:07,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2018-12-01 16:16:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2018-12-01 16:16:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 16:16:08,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:08,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2018-12-01 16:16:08,257 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2018-12-01 16:16:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 16:16:08,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:08,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2018-12-01 16:16:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2018-12-01 16:16:08,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 16:16:08,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:08,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:08,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2018-12-01 16:16:08,954 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2018-12-01 16:16:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 16:16:08,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:09,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 232 states and 375 transitions. [2018-12-01 16:16:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 375 transitions. [2018-12-01 16:16:09,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 16:16:09,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 235 states and 377 transitions. [2018-12-01 16:16:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2018-12-01 16:16:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 16:16:09,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:16:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 249 states and 400 transitions. [2018-12-01 16:16:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 400 transitions. [2018-12-01 16:16:10,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 16:16:10,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:16:10,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 250 states and 401 transitions. [2018-12-01 16:16:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 401 transitions. [2018-12-01 16:16:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 16:16:10,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:10,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 267 states and 421 transitions. [2018-12-01 16:16:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 421 transitions. [2018-12-01 16:16:10,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 16:16:10,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:16:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2018-12-01 16:16:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2018-12-01 16:16:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 16:16:10,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:16:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:10,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 282 states and 440 transitions. [2018-12-01 16:16:10,820 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 440 transitions. [2018-12-01 16:16:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 16:16:10,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:16:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:10,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2018-12-01 16:16:10,858 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2018-12-01 16:16:10,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 16:16:10,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:10,875 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 294 states and 456 transitions. [2018-12-01 16:16:11,124 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 456 transitions. [2018-12-01 16:16:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 16:16:11,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:11,211 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:11,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 321 states and 493 transitions. [2018-12-01 16:16:11,932 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 493 transitions. [2018-12-01 16:16:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 16:16:11,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 330 states and 501 transitions. [2018-12-01 16:16:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 501 transitions. [2018-12-01 16:16:12,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 16:16:12,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:16:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 334 states and 505 transitions. [2018-12-01 16:16:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 505 transitions. [2018-12-01 16:16:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 16:16:12,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:16:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:12,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 338 states and 509 transitions. [2018-12-01 16:16:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 509 transitions. [2018-12-01 16:16:12,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 16:16:12,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:12,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 342 states and 515 transitions. [2018-12-01 16:16:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 515 transitions. [2018-12-01 16:16:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 16:16:12,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:12,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 356 states and 529 transitions. [2018-12-01 16:16:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 529 transitions. [2018-12-01 16:16:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 16:16:12,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:16:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 358 states and 531 transitions. [2018-12-01 16:16:13,018 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 531 transitions. [2018-12-01 16:16:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 16:16:13,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 16:16:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 384 states and 565 transitions. [2018-12-01 16:16:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 565 transitions. [2018-12-01 16:16:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 16:16:13,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:16:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 454 states and 640 transitions. [2018-12-01 16:16:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 640 transitions. [2018-12-01 16:16:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 16:16:14,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:14,396 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:14,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 459 states and 646 transitions. [2018-12-01 16:16:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 646 transitions. [2018-12-01 16:16:14,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 16:16:14,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:14,714 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:16:15,823 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2018-12-01 16:16:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 483 states and 678 transitions. [2018-12-01 16:16:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 678 transitions. [2018-12-01 16:16:17,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 16:16:17,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:17,595 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:16:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 494 states and 690 transitions. [2018-12-01 16:16:18,142 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 690 transitions. [2018-12-01 16:16:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 16:16:18,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:16:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:18,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 497 states and 694 transitions. [2018-12-01 16:16:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 694 transitions. [2018-12-01 16:16:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 16:16:18,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 511 states and 713 transitions. [2018-12-01 16:16:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 713 transitions. [2018-12-01 16:16:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 16:16:19,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 529 states and 743 transitions. [2018-12-01 16:16:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 743 transitions. [2018-12-01 16:16:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 16:16:20,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:20,641 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 538 states and 758 transitions. [2018-12-01 16:16:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 758 transitions. [2018-12-01 16:16:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 16:16:20,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 540 states and 760 transitions. [2018-12-01 16:16:21,220 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 760 transitions. [2018-12-01 16:16:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 16:16:21,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:21,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:21,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 541 states and 764 transitions. [2018-12-01 16:16:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 764 transitions. [2018-12-01 16:16:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 16:16:21,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 551 states and 774 transitions. [2018-12-01 16:16:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 774 transitions. [2018-12-01 16:16:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 16:16:21,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:21,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 553 states and 776 transitions. [2018-12-01 16:16:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 776 transitions. [2018-12-01 16:16:21,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 16:16:21,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:16:21,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:21,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 554 states and 779 transitions. [2018-12-01 16:16:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 779 transitions. [2018-12-01 16:16:21,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 16:16:21,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:16:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 563 states and 790 transitions. [2018-12-01 16:16:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 790 transitions. [2018-12-01 16:16:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 16:16:22,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 572 states and 801 transitions. [2018-12-01 16:16:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 801 transitions. [2018-12-01 16:16:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 16:16:22,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:22,386 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:22,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:22,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 575 states and 806 transitions. [2018-12-01 16:16:22,735 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 806 transitions. [2018-12-01 16:16:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 16:16:22,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 588 states and 824 transitions. [2018-12-01 16:16:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 824 transitions. [2018-12-01 16:16:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 16:16:23,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:23,591 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:16:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:23,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 592 states and 829 transitions. [2018-12-01 16:16:23,951 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2018-12-01 16:16:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 16:16:23,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:16:23,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:23,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 599 states and 835 transitions. [2018-12-01 16:16:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 835 transitions. [2018-12-01 16:16:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 16:16:23,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:25,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 624 states and 874 transitions. [2018-12-01 16:16:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 874 transitions. [2018-12-01 16:16:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 16:16:25,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:25,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 626 states and 877 transitions. [2018-12-01 16:16:25,803 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 877 transitions. [2018-12-01 16:16:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 16:16:25,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:26,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 636 states and 887 transitions. [2018-12-01 16:16:26,245 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 887 transitions. [2018-12-01 16:16:26,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 16:16:26,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 651 states and 910 transitions. [2018-12-01 16:16:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 910 transitions. [2018-12-01 16:16:26,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 16:16:26,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:26,773 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 658 states and 919 transitions. [2018-12-01 16:16:27,159 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 919 transitions. [2018-12-01 16:16:27,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 16:16:27,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:27,176 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:27,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:27,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 659 states and 920 transitions. [2018-12-01 16:16:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 920 transitions. [2018-12-01 16:16:27,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 16:16:27,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:27,251 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 661 states and 921 transitions. [2018-12-01 16:16:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 921 transitions. [2018-12-01 16:16:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-01 16:16:27,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 662 states and 923 transitions. [2018-12-01 16:16:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 923 transitions. [2018-12-01 16:16:27,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 16:16:27,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:27,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:27,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 664 states and 927 transitions. [2018-12-01 16:16:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 927 transitions. [2018-12-01 16:16:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 16:16:27,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:27,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:27,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 665 states and 927 transitions. [2018-12-01 16:16:27,733 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 927 transitions. [2018-12-01 16:16:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 16:16:27,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:27,753 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 16:16:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 676 states and 941 transitions. [2018-12-01 16:16:28,238 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 941 transitions. [2018-12-01 16:16:28,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 16:16:28,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 683 states and 949 transitions. [2018-12-01 16:16:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 949 transitions. [2018-12-01 16:16:28,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 16:16:28,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 688 states and 958 transitions. [2018-12-01 16:16:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 958 transitions. [2018-12-01 16:16:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 16:16:28,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 690 states and 960 transitions. [2018-12-01 16:16:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 960 transitions. [2018-12-01 16:16:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 16:16:29,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:29,512 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:31,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:31,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 735 states and 1007 transitions. [2018-12-01 16:16:31,312 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1007 transitions. [2018-12-01 16:16:31,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-01 16:16:31,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:32,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 748 states and 1029 transitions. [2018-12-01 16:16:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1029 transitions. [2018-12-01 16:16:32,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 16:16:32,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 752 states and 1032 transitions. [2018-12-01 16:16:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1032 transitions. [2018-12-01 16:16:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 16:16:32,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:34,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:34,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 793 states and 1092 transitions. [2018-12-01 16:16:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1092 transitions. [2018-12-01 16:16:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 16:16:34,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:35,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:35,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 811 states and 1118 transitions. [2018-12-01 16:16:35,344 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1118 transitions. [2018-12-01 16:16:35,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 16:16:35,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 843 states and 1151 transitions. [2018-12-01 16:16:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1151 transitions. [2018-12-01 16:16:37,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 16:16:37,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:37,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 844 states and 1151 transitions. [2018-12-01 16:16:37,542 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1151 transitions. [2018-12-01 16:16:37,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 16:16:37,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:38,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 855 states and 1161 transitions. [2018-12-01 16:16:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1161 transitions. [2018-12-01 16:16:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 16:16:38,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:38,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:38,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 856 states and 1163 transitions. [2018-12-01 16:16:38,559 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1163 transitions. [2018-12-01 16:16:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 16:16:38,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:39,466 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-01 16:16:40,112 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-12-01 16:16:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 16:16:41,238 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-01 16:16:42,016 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-12-01 16:16:42,898 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-01 16:16:44,405 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2018-12-01 16:16:46,525 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-12-01 16:16:47,788 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-01 16:16:49,989 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-12-01 16:16:51,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 921 states and 1229 transitions. [2018-12-01 16:16:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1229 transitions. [2018-12-01 16:16:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 16:16:51,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 946 states and 1262 transitions. [2018-12-01 16:16:52,873 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1262 transitions. [2018-12-01 16:16:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 16:16:52,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 961 states and 1279 transitions. [2018-12-01 16:16:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1279 transitions. [2018-12-01 16:16:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 16:16:53,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:16:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:54,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 963 states and 1281 transitions. [2018-12-01 16:16:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1281 transitions. [2018-12-01 16:16:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 16:16:54,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 16:16:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 965 states and 1284 transitions. [2018-12-01 16:16:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1284 transitions. [2018-12-01 16:16:54,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:16:54,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:54,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 972 states and 1294 transitions. [2018-12-01 16:16:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1294 transitions. [2018-12-01 16:16:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:16:54,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:55,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 976 states and 1297 transitions. [2018-12-01 16:16:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1297 transitions. [2018-12-01 16:16:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:16:55,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:55,135 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 980 states and 1304 transitions. [2018-12-01 16:16:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1304 transitions. [2018-12-01 16:16:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:16:55,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 981 states and 1305 transitions. [2018-12-01 16:16:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1305 transitions. [2018-12-01 16:16:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:16:55,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:16:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:16:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 982 states and 1305 transitions. [2018-12-01 16:16:55,940 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1305 transitions. [2018-12-01 16:16:55,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:16:55,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:16:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:16:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 16:17:00,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1038 states and 1371 transitions. [2018-12-01 16:17:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1371 transitions. [2018-12-01 16:17:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:17:00,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:00,690 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 16:17:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1068 states and 1403 transitions. [2018-12-01 16:17:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1403 transitions. [2018-12-01 16:17:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:17:03,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 16:17:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1069 states and 1403 transitions. [2018-12-01 16:17:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1403 transitions. [2018-12-01 16:17:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:17:03,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:03,496 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 16:17:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:04,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1071 states and 1405 transitions. [2018-12-01 16:17:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1405 transitions. [2018-12-01 16:17:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:17:04,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:17:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1118 states and 1463 transitions. [2018-12-01 16:17:07,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1463 transitions. [2018-12-01 16:17:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:17:07,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:17:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1140 states and 1484 transitions. [2018-12-01 16:17:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1484 transitions. [2018-12-01 16:17:08,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:17:08,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:17:08,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:08,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1145 states and 1489 transitions. [2018-12-01 16:17:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1489 transitions. [2018-12-01 16:17:08,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 16:17:08,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:08,873 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:17:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1150 states and 1496 transitions. [2018-12-01 16:17:09,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1496 transitions. [2018-12-01 16:17:09,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 16:17:09,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 16:17:11,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:11,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1209 states and 1560 transitions. [2018-12-01 16:17:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1560 transitions. [2018-12-01 16:17:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 16:17:11,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 16:17:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1218 states and 1566 transitions. [2018-12-01 16:17:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1566 transitions. [2018-12-01 16:17:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 16:17:11,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:11,797 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 16:17:11,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1219 states and 1566 transitions. [2018-12-01 16:17:11,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1566 transitions. [2018-12-01 16:17:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 16:17:11,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:17:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1220 states and 1567 transitions. [2018-12-01 16:17:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1567 transitions. [2018-12-01 16:17:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 16:17:12,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:17:12,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1231 states and 1582 transitions. [2018-12-01 16:17:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1582 transitions. [2018-12-01 16:17:12,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 16:17:12,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:17:14,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1253 states and 1607 transitions. [2018-12-01 16:17:14,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1607 transitions. [2018-12-01 16:17:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-01 16:17:14,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 16:17:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1259 states and 1611 transitions. [2018-12-01 16:17:14,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1611 transitions. [2018-12-01 16:17:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 16:17:14,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 16:17:15,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1273 states and 1629 transitions. [2018-12-01 16:17:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1629 transitions. [2018-12-01 16:17:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 16:17:15,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:17:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1282 states and 1638 transitions. [2018-12-01 16:17:16,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1638 transitions. [2018-12-01 16:17:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 16:17:16,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 16:17:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1302 states and 1664 transitions. [2018-12-01 16:17:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1664 transitions. [2018-12-01 16:17:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 16:17:19,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 16:17:19,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1313 states and 1676 transitions. [2018-12-01 16:17:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1676 transitions. [2018-12-01 16:17:19,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 16:17:19,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:17:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1325 states and 1697 transitions. [2018-12-01 16:17:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1697 transitions. [2018-12-01 16:17:21,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 16:17:21,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:17:23,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1331 states and 1707 transitions. [2018-12-01 16:17:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1707 transitions. [2018-12-01 16:17:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 16:17:23,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:23,072 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 16:17:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:23,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1334 states and 1709 transitions. [2018-12-01 16:17:23,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1709 transitions. [2018-12-01 16:17:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 16:17:23,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:23,197 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:17:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:23,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1348 states and 1732 transitions. [2018-12-01 16:17:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1732 transitions. [2018-12-01 16:17:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 16:17:23,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:17:24,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1358 states and 1741 transitions. [2018-12-01 16:17:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1741 transitions. [2018-12-01 16:17:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 16:17:24,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 16:17:25,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:25,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1362 states and 1747 transitions. [2018-12-01 16:17:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1747 transitions. [2018-12-01 16:17:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 16:17:25,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 16:17:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1368 states and 1755 transitions. [2018-12-01 16:17:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1755 transitions. [2018-12-01 16:17:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 16:17:25,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-01 16:17:27,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1377 states and 1764 transitions. [2018-12-01 16:17:27,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1764 transitions. [2018-12-01 16:17:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 16:17:27,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:17:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:27,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1388 states and 1775 transitions. [2018-12-01 16:17:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1775 transitions. [2018-12-01 16:17:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 16:17:27,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:17:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1430 states and 1836 transitions. [2018-12-01 16:17:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1836 transitions. [2018-12-01 16:17:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 16:17:31,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:31,223 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:17:32,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1434 states and 1845 transitions. [2018-12-01 16:17:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1845 transitions. [2018-12-01 16:17:32,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 16:17:32,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 16:17:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1442 states and 1852 transitions. [2018-12-01 16:17:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1852 transitions. [2018-12-01 16:17:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 16:17:32,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 16:17:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:33,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1443 states and 1853 transitions. [2018-12-01 16:17:33,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1853 transitions. [2018-12-01 16:17:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 16:17:33,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:33,112 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 16:17:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:34,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1451 states and 1860 transitions. [2018-12-01 16:17:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1860 transitions. [2018-12-01 16:17:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 16:17:34,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:35,478 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-01 16:17:36,315 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-12-01 16:17:37,107 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-01 16:17:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:17:41,419 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-01 16:17:43,956 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 16:17:45,821 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 16:17:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1503 states and 1914 transitions. [2018-12-01 16:17:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1914 transitions. [2018-12-01 16:17:48,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:17:48,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:17:49,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:49,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1514 states and 1925 transitions. [2018-12-01 16:17:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1925 transitions. [2018-12-01 16:17:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 16:17:49,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:17:50,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:50,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1515 states and 1926 transitions. [2018-12-01 16:17:50,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1926 transitions. [2018-12-01 16:17:50,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 16:17:50,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:17:54,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:54,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1534 states and 1948 transitions. [2018-12-01 16:17:54,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1948 transitions. [2018-12-01 16:17:54,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 16:17:54,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:17:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1551 states and 1967 transitions. [2018-12-01 16:17:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1967 transitions. [2018-12-01 16:17:57,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 16:17:57,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:17:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1566 states and 1981 transitions. [2018-12-01 16:17:59,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1981 transitions. [2018-12-01 16:17:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 16:17:59,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 16:17:59,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:17:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1576 states and 1991 transitions. [2018-12-01 16:17:59,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1991 transitions. [2018-12-01 16:17:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 16:17:59,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:17:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:17:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-01 16:18:00,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1586 states and 2003 transitions. [2018-12-01 16:18:00,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2003 transitions. [2018-12-01 16:18:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 16:18:00,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 16:18:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1591 states and 2008 transitions. [2018-12-01 16:18:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2008 transitions. [2018-12-01 16:18:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 16:18:00,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:01,019 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 16:18:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 1628 states and 2047 transitions. [2018-12-01 16:18:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2047 transitions. [2018-12-01 16:18:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 16:18:02,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:18:07,840 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-12-01 16:18:15,465 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 16:18:17,063 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 16:18:19,592 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 16:18:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 1696 states and 2122 transitions. [2018-12-01 16:18:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2122 transitions. [2018-12-01 16:18:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 16:18:21,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:18:24,607 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-01 16:18:24,942 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-01 16:18:26,791 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 16:18:30,409 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-01 16:18:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:30,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1731 states and 2158 transitions. [2018-12-01 16:18:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2158 transitions. [2018-12-01 16:18:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 16:18:30,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:18:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1734 states and 2161 transitions. [2018-12-01 16:18:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2161 transitions. [2018-12-01 16:18:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 16:18:31,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:31,383 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 16:18:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1738 states and 2166 transitions. [2018-12-01 16:18:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2166 transitions. [2018-12-01 16:18:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 16:18:33,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 16:18:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 1741 states and 2169 transitions. [2018-12-01 16:18:34,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2169 transitions. [2018-12-01 16:18:34,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 16:18:34,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:34,696 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:18:41,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1776 states and 2208 transitions. [2018-12-01 16:18:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2208 transitions. [2018-12-01 16:18:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 16:18:41,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:18:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1787 states and 2218 transitions. [2018-12-01 16:18:42,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2218 transitions. [2018-12-01 16:18:42,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 16:18:42,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:42,288 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:18:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:42,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1791 states and 2222 transitions. [2018-12-01 16:18:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2222 transitions. [2018-12-01 16:18:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-01 16:18:42,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 16:18:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1792 states and 2222 transitions. [2018-12-01 16:18:42,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2222 transitions. [2018-12-01 16:18:42,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 16:18:42,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 16:18:50,193 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-12-01 16:18:53,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:53,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1814 states and 2247 transitions. [2018-12-01 16:18:53,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2247 transitions. [2018-12-01 16:18:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 16:18:53,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:18:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:53,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 1819 states and 2256 transitions. [2018-12-01 16:18:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2256 transitions. [2018-12-01 16:18:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-01 16:18:53,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:18:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1830 states and 2269 transitions. [2018-12-01 16:18:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2269 transitions. [2018-12-01 16:18:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-01 16:18:53,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 16:18:53,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1838 states and 2275 transitions. [2018-12-01 16:18:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2275 transitions. [2018-12-01 16:18:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 16:18:53,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-01 16:18:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:54,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1839 states and 2275 transitions. [2018-12-01 16:18:54,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2275 transitions. [2018-12-01 16:18:54,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 16:18:54,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-01 16:18:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:55,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 1847 states and 2282 transitions. [2018-12-01 16:18:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2282 transitions. [2018-12-01 16:18:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 16:18:55,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-01 16:18:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1852 states and 2287 transitions. [2018-12-01 16:18:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2287 transitions. [2018-12-01 16:18:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 16:18:56,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 16:18:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 1878 states and 2322 transitions. [2018-12-01 16:18:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2322 transitions. [2018-12-01 16:18:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 16:18:58,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:58,258 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 16:18:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:59,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1889 states and 2332 transitions. [2018-12-01 16:18:59,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2332 transitions. [2018-12-01 16:18:59,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 16:18:59,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 16:18:59,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1890 states and 2332 transitions. [2018-12-01 16:18:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2332 transitions. [2018-12-01 16:18:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 16:18:59,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 16:18:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:18:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1891 states and 2332 transitions. [2018-12-01 16:18:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2332 transitions. [2018-12-01 16:18:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 16:18:59,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:18:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:18:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-01 16:19:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:00,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 1895 states and 2337 transitions. [2018-12-01 16:19:00,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2337 transitions. [2018-12-01 16:19:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 16:19:00,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 16:19:01,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 1915 states and 2361 transitions. [2018-12-01 16:19:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2361 transitions. [2018-12-01 16:19:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-01 16:19:01,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 16:19:01,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:01,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 1920 states and 2367 transitions. [2018-12-01 16:19:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2367 transitions. [2018-12-01 16:19:01,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 16:19:01,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:19:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 1993 states and 2451 transitions. [2018-12-01 16:19:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2451 transitions. [2018-12-01 16:19:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 16:19:10,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 16:19:11,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2003 states and 2459 transitions. [2018-12-01 16:19:11,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2459 transitions. [2018-12-01 16:19:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-01 16:19:11,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-01 16:19:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:12,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2007 states and 2464 transitions. [2018-12-01 16:19:12,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2464 transitions. [2018-12-01 16:19:12,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-01 16:19:12,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 16:19:21,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2033 states and 2500 transitions. [2018-12-01 16:19:21,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2500 transitions. [2018-12-01 16:19:21,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-01 16:19:21,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-01 16:19:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:21,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2103 states and 2572 transitions. [2018-12-01 16:19:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2572 transitions. [2018-12-01 16:19:21,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 16:19:21,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:21,638 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-01 16:19:21,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2104 states and 2572 transitions. [2018-12-01 16:19:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2572 transitions. [2018-12-01 16:19:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 16:19:21,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-01 16:19:31,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2117 states and 2593 transitions. [2018-12-01 16:19:31,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2593 transitions. [2018-12-01 16:19:31,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-01 16:19:31,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-01 16:19:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:35,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2122 states and 2599 transitions. [2018-12-01 16:19:35,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2599 transitions. [2018-12-01 16:19:35,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-01 16:19:35,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-01 16:19:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2134 states and 2611 transitions. [2018-12-01 16:19:41,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2611 transitions. [2018-12-01 16:19:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-01 16:19:41,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-01 16:19:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2137 states and 2613 transitions. [2018-12-01 16:19:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2613 transitions. [2018-12-01 16:19:41,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-01 16:19:41,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 440 proven. 4 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-12-01 16:19:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:43,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2141 states and 2619 transitions. [2018-12-01 16:19:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2619 transitions. [2018-12-01 16:19:43,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-01 16:19:43,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 393 proven. 4 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-01 16:19:50,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:50,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2160 states and 2646 transitions. [2018-12-01 16:19:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2646 transitions. [2018-12-01 16:19:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-01 16:19:50,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:50,953 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-01 16:19:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2186 states and 2677 transitions. [2018-12-01 16:19:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2677 transitions. [2018-12-01 16:19:55,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-01 16:19:55,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-01 16:19:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2190 states and 2681 transitions. [2018-12-01 16:19:55,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2681 transitions. [2018-12-01 16:19:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-01 16:19:55,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-01 16:19:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2194 states and 2686 transitions. [2018-12-01 16:19:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2686 transitions. [2018-12-01 16:19:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-01 16:19:56,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-01 16:19:57,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2198 states and 2689 transitions. [2018-12-01 16:19:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2689 transitions. [2018-12-01 16:19:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-01 16:19:57,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-01 16:19:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:58,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2209 states and 2701 transitions. [2018-12-01 16:19:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2701 transitions. [2018-12-01 16:19:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-01 16:19:58,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-01 16:19:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:19:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2214 states and 2706 transitions. [2018-12-01 16:19:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2706 transitions. [2018-12-01 16:19:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-01 16:19:59,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:19:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:19:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-01 16:20:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2218 states and 2709 transitions. [2018-12-01 16:20:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2709 transitions. [2018-12-01 16:20:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-01 16:20:00,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:02,587 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2018-12-01 16:20:05,240 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2018-12-01 16:20:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-01 16:20:07,908 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2018-12-01 16:20:13,246 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2018-12-01 16:20:15,556 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-01 16:20:16,335 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-01 16:20:17,957 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 16:20:18,595 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-01 16:20:19,742 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-01 16:20:20,435 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-01 16:20:23,042 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-01 16:20:24,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:24,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2242 states and 2739 transitions. [2018-12-01 16:20:24,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2739 transitions. [2018-12-01 16:20:24,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-01 16:20:24,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-01 16:20:25,555 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-01 16:20:26,395 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2018-12-01 16:20:26,852 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-01 16:20:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2259 states and 2757 transitions. [2018-12-01 16:20:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2757 transitions. [2018-12-01 16:20:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:20:29,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:30,768 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-01 16:20:33,195 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 16:20:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2263 states and 2764 transitions. [2018-12-01 16:20:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2764 transitions. [2018-12-01 16:20:35,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:20:35,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-01 16:20:37,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:37,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2274 states and 2774 transitions. [2018-12-01 16:20:37,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 2774 transitions. [2018-12-01 16:20:37,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 16:20:37,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-01 16:20:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2278 states and 2784 transitions. [2018-12-01 16:20:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2784 transitions. [2018-12-01 16:20:38,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 16:20:38,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-01 16:20:39,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:39,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2304 states and 2810 transitions. [2018-12-01 16:20:39,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2810 transitions. [2018-12-01 16:20:39,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 16:20:39,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-01 16:20:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:41,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2309 states and 2813 transitions. [2018-12-01 16:20:41,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2813 transitions. [2018-12-01 16:20:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 16:20:41,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-01 16:20:41,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:41,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2310 states and 2813 transitions. [2018-12-01 16:20:41,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2813 transitions. [2018-12-01 16:20:41,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 16:20:41,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-01 16:20:41,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:41,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2320 states and 2820 transitions. [2018-12-01 16:20:41,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 2820 transitions. [2018-12-01 16:20:41,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-01 16:20:41,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-12-01 16:20:43,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:20:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2326 states and 2832 transitions. [2018-12-01 16:20:43,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2326 states and 2832 transitions. [2018-12-01 16:20:43,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 16:20:43,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:20:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:20:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 529 proven. 39 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-01 16:20:48,811 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 16:21:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2356 states and 2867 transitions. [2018-12-01 16:21:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 2867 transitions. [2018-12-01 16:21:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 16:21:01,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 372 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-01 16:21:01,612 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 16:21:03,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:03,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2371 states and 2881 transitions. [2018-12-01 16:21:03,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2881 transitions. [2018-12-01 16:21:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-01 16:21:03,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 16:21:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2379 states and 2891 transitions. [2018-12-01 16:21:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 2891 transitions. [2018-12-01 16:21:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 16:21:05,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:05,534 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-01 16:21:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2406 states and 2925 transitions. [2018-12-01 16:21:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 2925 transitions. [2018-12-01 16:21:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 16:21:12,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-01 16:21:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2426 states and 2952 transitions. [2018-12-01 16:21:16,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2952 transitions. [2018-12-01 16:21:16,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 16:21:16,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-01 16:21:17,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:17,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2435 states and 2960 transitions. [2018-12-01 16:21:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 2960 transitions. [2018-12-01 16:21:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 16:21:17,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-01 16:21:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:19,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2454 states and 2978 transitions. [2018-12-01 16:21:19,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 2978 transitions. [2018-12-01 16:21:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 16:21:19,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-01 16:21:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2455 states and 2978 transitions. [2018-12-01 16:21:20,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 2978 transitions. [2018-12-01 16:21:20,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-01 16:21:20,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 16:21:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2461 states and 2984 transitions. [2018-12-01 16:21:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2984 transitions. [2018-12-01 16:21:21,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 16:21:21,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:22,468 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 16:21:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:27,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 2498 states and 3032 transitions. [2018-12-01 16:21:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3032 transitions. [2018-12-01 16:21:27,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 16:21:27,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 16:21:28,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 2506 states and 3039 transitions. [2018-12-01 16:21:28,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3039 transitions. [2018-12-01 16:21:28,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 16:21:28,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-01 16:21:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 2510 states and 3042 transitions. [2018-12-01 16:21:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3042 transitions. [2018-12-01 16:21:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 16:21:29,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-01 16:21:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 2522 states and 3054 transitions. [2018-12-01 16:21:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3054 transitions. [2018-12-01 16:21:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 16:21:31,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-01 16:21:32,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 2523 states and 3054 transitions. [2018-12-01 16:21:32,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3054 transitions. [2018-12-01 16:21:32,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 16:21:32,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-01 16:21:38,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:38,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 2550 states and 3092 transitions. [2018-12-01 16:21:38,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3092 transitions. [2018-12-01 16:21:38,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 16:21:38,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-01 16:21:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 2564 states and 3108 transitions. [2018-12-01 16:21:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3108 transitions. [2018-12-01 16:21:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-01 16:21:40,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-01 16:21:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 2588 states and 3133 transitions. [2018-12-01 16:21:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 3133 transitions. [2018-12-01 16:21:41,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-01 16:21:41,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-01 16:21:43,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:43,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 2599 states and 3144 transitions. [2018-12-01 16:21:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3144 transitions. [2018-12-01 16:21:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-01 16:21:43,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-01 16:21:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 2602 states and 3147 transitions. [2018-12-01 16:21:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3147 transitions. [2018-12-01 16:21:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-01 16:21:43,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-01 16:21:43,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:43,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 2607 states and 3151 transitions. [2018-12-01 16:21:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 3151 transitions. [2018-12-01 16:21:43,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-01 16:21:43,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-01 16:21:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 2611 states and 3155 transitions. [2018-12-01 16:21:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3155 transitions. [2018-12-01 16:21:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-01 16:21:44,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-01 16:21:47,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:21:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 2652 states and 3196 transitions. [2018-12-01 16:21:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3196 transitions. [2018-12-01 16:21:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-12-01 16:21:47,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:21:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:21:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 469 proven. 42 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-01 16:21:59,868 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2018-12-01 16:22:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 2725 states and 3280 transitions. [2018-12-01 16:22:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 3280 transitions. [2018-12-01 16:22:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 16:22:02,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 16:22:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:05,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2726 states and 3281 transitions. [2018-12-01 16:22:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3281 transitions. [2018-12-01 16:22:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 16:22:05,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 16:22:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 2730 states and 3284 transitions. [2018-12-01 16:22:07,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3284 transitions. [2018-12-01 16:22:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 16:22:07,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 16:22:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:11,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 2746 states and 3300 transitions. [2018-12-01 16:22:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3300 transitions. [2018-12-01 16:22:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-12-01 16:22:11,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:11,514 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2018-12-01 16:22:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:22:13,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 2760 states and 3315 transitions. [2018-12-01 16:22:13,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3315 transitions. [2018-12-01 16:22:13,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 16:22:13,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:22:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:22:19,516 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-01 16:22:20,417 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-01 16:22:21,999 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-01 16:22:23,968 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2018-12-01 16:22:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 16:22:54,855 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 16:22:57,093 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 16:22:59,685 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 16:23:03,447 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2018-12-01 16:23:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:23:04,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 2737 states and 3322 transitions. [2018-12-01 16:23:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3322 transitions. [2018-12-01 16:23:04,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 16:23:04,959 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 205 iterations. [2018-12-01 16:23:04,970 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 16:23:05,075 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 29 [2018-12-01 16:23:05,346 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 36 [2018-12-01 16:23:05,587 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-12-01 16:23:05,729 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2018-12-01 16:23:05,870 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 24 [2018-12-01 16:23:06,047 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-12-01 16:23:06,211 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 36 [2018-12-01 16:23:06,405 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 24 [2018-12-01 16:23:06,510 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-12-01 16:23:06,694 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-12-01 16:23:06,957 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 36 [2018-12-01 16:23:07,137 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 36 [2018-12-01 16:23:07,320 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 31 [2018-12-01 16:23:07,546 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 36 [2018-12-01 16:23:07,783 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-12-01 16:23:07,886 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-12-01 16:23:08,043 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 29 [2018-12-01 16:23:08,919 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-12-01 16:23:09,145 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 33 [2018-12-01 16:23:09,282 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2018-12-01 16:23:09,384 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-12-01 16:23:09,596 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 29 [2018-12-01 16:23:09,737 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 24 [2018-12-01 16:23:10,301 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 36 [2018-12-01 16:23:10,554 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 54 [2018-12-01 16:23:10,956 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 34 [2018-12-01 16:23:11,143 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-12-01 16:23:11,291 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-12-01 16:23:11,619 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 36 [2018-12-01 16:23:11,619 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:23:11,621 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-01 16:23:11,627 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-01 16:23:11,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:23:11 ImpRootNode [2018-12-01 16:23:11,628 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 16:23:11,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:23:11,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:23:11,629 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:23:11,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:16:05" (3/4) ... [2018-12-01 16:23:11,631 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 16:23:11,643 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-01 16:23:11,644 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-01 16:23:11,645 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 16:23:11,714 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f45e782d-c5f3-48b0-9b0f-44c7303629da/bin-2019/ukojak/witness.graphml [2018-12-01 16:23:11,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:23:11,715 INFO L168 Benchmark]: Toolchain (without parser) took 427510.81 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 950.6 MB in the beginning and 1.4 GB in the end (delta: -457.8 MB). Peak memory consumption was 602.8 MB. Max. memory is 11.5 GB. [2018-12-01 16:23:11,715 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:23:11,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-12-01 16:23:11,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:23:11,715 INFO L168 Benchmark]: Boogie Preprocessor took 28.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:23:11,716 INFO L168 Benchmark]: RCFGBuilder took 1028.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 876.2 MB in the end (delta: 206.6 MB). Peak memory consumption was 206.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:23:11,716 INFO L168 Benchmark]: CodeCheck took 426030.09 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 955.3 MB). Free memory was 876.2 MB in the beginning and 1.4 GB in the end (delta: -554.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-01 16:23:11,716 INFO L168 Benchmark]: Witness Printer took 85.58 ms. Allocated memory is still 2.1 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-12-01 16:23:11,717 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 419.3s OverallTime, 205 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1745912464 SDtfs, 1684790772 SDslu, 1885540196 SDs, 0 SdLazy, -942047240 SolverSat, 1487527004 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1024.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 255849 GetRequests, 250888 SyntacticMatches, 2893 SemanticMatches, 2068 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2960387 ImplicationChecksByTransitivity, 389.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 38.1s InterpolantComputationTime, 38336 NumberOfCodeBlocks, 38336 NumberOfCodeBlocksAsserted, 204 NumberOfCheckSat, 38132 ConstructedInterpolants, 0 QuantifiedInterpolants, 28363468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 204 InterpolantComputations, 178 PerfectInterpolantSequences, 47439/49035 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: 488]: 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: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1028.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 876.2 MB in the end (delta: 206.6 MB). Peak memory consumption was 206.6 MB. Max. memory is 11.5 GB. * CodeCheck took 426030.09 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 955.3 MB). Free memory was 876.2 MB in the beginning and 1.4 GB in the end (delta: -554.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 85.58 ms. Allocated memory is still 2.1 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...