./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label14_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_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/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 d50ba566f02e5109971f6a90ba216a95432a7661 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:45:02,752 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:45:02,753 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:45:02,759 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:45:02,759 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:45:02,760 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:45:02,761 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:45:02,762 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:45:02,762 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:45:02,763 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:45:02,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:45:02,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:45:02,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:45:02,764 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:45:02,765 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:45:02,765 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:45:02,766 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:45:02,767 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:45:02,767 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:45:02,768 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:45:02,769 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:45:02,769 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:45:02,771 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:45:02,771 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:45:02,771 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:45:02,771 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:45:02,772 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:45:02,772 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:45:02,773 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:45:02,773 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:45:02,773 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:45:02,774 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:45:02,774 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:45:02,774 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:45:02,775 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:45:02,775 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:45:02,775 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 17:45:02,783 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:45:02,783 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:45:02,783 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:45:02,783 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:45:02,784 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:45:02,784 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:45:02,784 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:45:02,784 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:45:02,784 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:45:02,784 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:45:02,784 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:45:02,784 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:45:02,785 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:45:02,785 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:45:02,785 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:45:02,785 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:45:02,785 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:45:02,785 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:45:02,785 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:45:02,785 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:45:02,785 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:45:02,786 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:45:02,786 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:45:02,786 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:45:02,786 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:45:02,786 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:45:02,786 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 17:45:02,786 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:45:02,786 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:45:02,786 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_d0d3879d-f4c6-4392-951b-d896af2d481e/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 -> d50ba566f02e5109971f6a90ba216a95432a7661 [2018-12-01 17:45:02,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:45:02,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:45:02,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:45:02,812 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:45:02,812 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:45:02,813 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-12-01 17:45:02,846 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/data/810bff9fe/313ecdb6dc574a5189188baf7ed71cb9/FLAG1ef4d4a7f [2018-12-01 17:45:03,263 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:45:03,264 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-12-01 17:45:03,271 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/data/810bff9fe/313ecdb6dc574a5189188baf7ed71cb9/FLAG1ef4d4a7f [2018-12-01 17:45:03,279 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/data/810bff9fe/313ecdb6dc574a5189188baf7ed71cb9 [2018-12-01 17:45:03,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:45:03,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:45:03,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:45:03,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:45:03,284 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:45:03,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03, skipping insertion in model container [2018-12-01 17:45:03,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:45:03,321 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:45:03,515 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:45:03,519 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:45:03,566 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:45:03,618 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:45:03,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03 WrapperNode [2018-12-01 17:45:03,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:45:03,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:45:03,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:45:03,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:45:03,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:45:03,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:45:03,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:45:03,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:45:03,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03" (1/1) ... [2018-12-01 17:45:03,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:45:03,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:45:03,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:45:03,711 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:45:03,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/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 17:45:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:45:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:45:04,795 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:45:04,795 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 17:45:04,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:45:04 BoogieIcfgContainer [2018-12-01 17:45:04,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:45:04,796 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:45:04,796 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:45:04,806 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:45:04,806 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:45:04" (1/1) ... [2018-12-01 17:45:04,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:04,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 17:45:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 17:45:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 17:45:04,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:05,040 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 17:45:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-12-01 17:45:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-12-01 17:45:05,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 17:45:05,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:45:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2018-12-01 17:45:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2018-12-01 17:45:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 17:45:05,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:05,540 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 17:45:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2018-12-01 17:45:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-12-01 17:45:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 17:45:05,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:05,623 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 17:45:05,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 151 states and 246 transitions. [2018-12-01 17:45:05,718 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 246 transitions. [2018-12-01 17:45:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 17:45:05,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 159 states and 261 transitions. [2018-12-01 17:45:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2018-12-01 17:45:05,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 17:45:05,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:05,978 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 17:45:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-12-01 17:45:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-12-01 17:45:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 17:45:06,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 171 states and 281 transitions. [2018-12-01 17:45:06,370 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 281 transitions. [2018-12-01 17:45:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 17:45:06,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2018-12-01 17:45:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2018-12-01 17:45:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 17:45:06,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:06,550 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 17:45:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 191 states and 307 transitions. [2018-12-01 17:45:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 307 transitions. [2018-12-01 17:45:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 17:45:06,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:06,979 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 17:45:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 200 states and 325 transitions. [2018-12-01 17:45:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 325 transitions. [2018-12-01 17:45:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 17:45:07,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:07,248 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 17:45:07,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 201 states and 327 transitions. [2018-12-01 17:45:07,321 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 327 transitions. [2018-12-01 17:45:07,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 17:45:07,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:07,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 202 states and 329 transitions. [2018-12-01 17:45:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 329 transitions. [2018-12-01 17:45:07,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 17:45:07,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:45:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 203 states and 330 transitions. [2018-12-01 17:45:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 330 transitions. [2018-12-01 17:45:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 17:45:07,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:07,438 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 17:45:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 214 states and 347 transitions. [2018-12-01 17:45:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 347 transitions. [2018-12-01 17:45:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 17:45:07,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:07,916 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 17:45:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:07,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 218 states and 354 transitions. [2018-12-01 17:45:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 354 transitions. [2018-12-01 17:45:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 17:45:07,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:45:08,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 220 states and 355 transitions. [2018-12-01 17:45:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 355 transitions. [2018-12-01 17:45:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 17:45:08,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:45:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 225 states and 360 transitions. [2018-12-01 17:45:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 360 transitions. [2018-12-01 17:45:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 17:45:08,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:08,306 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:08,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 227 states and 363 transitions. [2018-12-01 17:45:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 363 transitions. [2018-12-01 17:45:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 17:45:08,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:08,428 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 17:45:08,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 238 states and 378 transitions. [2018-12-01 17:45:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 378 transitions. [2018-12-01 17:45:08,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 17:45:08,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:08,976 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 17:45:09,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 249 states and 388 transitions. [2018-12-01 17:45:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 388 transitions. [2018-12-01 17:45:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 17:45:09,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:45:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 251 states and 389 transitions. [2018-12-01 17:45:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 389 transitions. [2018-12-01 17:45:09,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-01 17:45:09,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 275 states and 423 transitions. [2018-12-01 17:45:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 423 transitions. [2018-12-01 17:45:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 17:45:10,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:10,183 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 17:45:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 278 states and 426 transitions. [2018-12-01 17:45:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 426 transitions. [2018-12-01 17:45:10,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 17:45:10,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:45:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 280 states and 431 transitions. [2018-12-01 17:45:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 431 transitions. [2018-12-01 17:45:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 17:45:10,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:10,378 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 17:45:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:10,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 283 states and 434 transitions. [2018-12-01 17:45:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 434 transitions. [2018-12-01 17:45:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 17:45:10,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 298 states and 451 transitions. [2018-12-01 17:45:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 451 transitions. [2018-12-01 17:45:10,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 17:45:10,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:10,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 301 states and 454 transitions. [2018-12-01 17:45:10,874 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 454 transitions. [2018-12-01 17:45:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 17:45:10,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:10,940 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:11,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 326 states and 489 transitions. [2018-12-01 17:45:11,905 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 489 transitions. [2018-12-01 17:45:11,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 17:45:11,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:11,968 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 340 states and 504 transitions. [2018-12-01 17:45:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 504 transitions. [2018-12-01 17:45:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 17:45:12,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:15,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 365 states and 547 transitions. [2018-12-01 17:45:15,396 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 547 transitions. [2018-12-01 17:45:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 17:45:15,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 382 states and 570 transitions. [2018-12-01 17:45:16,428 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 570 transitions. [2018-12-01 17:45:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 17:45:16,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 393 states and 583 transitions. [2018-12-01 17:45:17,016 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 583 transitions. [2018-12-01 17:45:17,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 17:45:17,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:17,134 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 394 states and 583 transitions. [2018-12-01 17:45:17,306 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 583 transitions. [2018-12-01 17:45:17,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 17:45:17,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 396 states and 586 transitions. [2018-12-01 17:45:17,364 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 586 transitions. [2018-12-01 17:45:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 17:45:17,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:19,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 410 states and 610 transitions. [2018-12-01 17:45:19,773 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 610 transitions. [2018-12-01 17:45:19,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 17:45:19,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 421 states and 621 transitions. [2018-12-01 17:45:20,234 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 621 transitions. [2018-12-01 17:45:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 17:45:20,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:45:20,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 435 states and 637 transitions. [2018-12-01 17:45:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 637 transitions. [2018-12-01 17:45:20,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 17:45:20,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:20,958 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 17:45:21,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:21,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 443 states and 648 transitions. [2018-12-01 17:45:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 648 transitions. [2018-12-01 17:45:21,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 17:45:21,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:21,731 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 17:45:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 447 states and 651 transitions. [2018-12-01 17:45:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 651 transitions. [2018-12-01 17:45:21,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 17:45:21,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 475 states and 683 transitions. [2018-12-01 17:45:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 683 transitions. [2018-12-01 17:45:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 17:45:23,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:24,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:24,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 499 states and 713 transitions. [2018-12-01 17:45:24,952 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 713 transitions. [2018-12-01 17:45:24,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 17:45:24,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:25,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 511 states and 729 transitions. [2018-12-01 17:45:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 729 transitions. [2018-12-01 17:45:25,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 17:45:25,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:26,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 520 states and 737 transitions. [2018-12-01 17:45:26,197 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 737 transitions. [2018-12-01 17:45:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 17:45:26,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:26,276 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 17:45:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 607 states and 830 transitions. [2018-12-01 17:45:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 830 transitions. [2018-12-01 17:45:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-01 17:45:27,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:27,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 618 states and 845 transitions. [2018-12-01 17:45:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 845 transitions. [2018-12-01 17:45:27,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 17:45:27,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 620 states and 847 transitions. [2018-12-01 17:45:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 847 transitions. [2018-12-01 17:45:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 17:45:27,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 629 states and 858 transitions. [2018-12-01 17:45:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 858 transitions. [2018-12-01 17:45:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 17:45:28,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:33,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 666 states and 915 transitions. [2018-12-01 17:45:33,171 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 915 transitions. [2018-12-01 17:45:33,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 17:45:33,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:34,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:34,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 680 states and 929 transitions. [2018-12-01 17:45:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 929 transitions. [2018-12-01 17:45:34,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 17:45:34,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:35,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 688 states and 938 transitions. [2018-12-01 17:45:35,034 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 938 transitions. [2018-12-01 17:45:35,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 17:45:35,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:35,070 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 693 states and 945 transitions. [2018-12-01 17:45:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 945 transitions. [2018-12-01 17:45:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 17:45:35,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:35,677 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 700 states and 952 transitions. [2018-12-01 17:45:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 952 transitions. [2018-12-01 17:45:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 17:45:35,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:36,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 701 states and 952 transitions. [2018-12-01 17:45:36,083 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 952 transitions. [2018-12-01 17:45:36,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 17:45:36,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:45:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 712 states and 970 transitions. [2018-12-01 17:45:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 970 transitions. [2018-12-01 17:45:36,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 17:45:36,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:45:36,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 714 states and 972 transitions. [2018-12-01 17:45:36,710 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 972 transitions. [2018-12-01 17:45:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 17:45:36,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:45:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 719 states and 977 transitions. [2018-12-01 17:45:36,942 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 977 transitions. [2018-12-01 17:45:36,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 17:45:36,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:45:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 750 states and 1012 transitions. [2018-12-01 17:45:39,118 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1012 transitions. [2018-12-01 17:45:39,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 17:45:39,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 792 states and 1056 transitions. [2018-12-01 17:45:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1056 transitions. [2018-12-01 17:45:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 17:45:41,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 805 states and 1074 transitions. [2018-12-01 17:45:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1074 transitions. [2018-12-01 17:45:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 17:45:42,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:45:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 818 states and 1107 transitions. [2018-12-01 17:45:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1107 transitions. [2018-12-01 17:45:43,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 17:45:43,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:45:43,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 823 states and 1117 transitions. [2018-12-01 17:45:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1117 transitions. [2018-12-01 17:45:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 17:45:43,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:45:44,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:44,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 828 states and 1125 transitions. [2018-12-01 17:45:44,468 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1125 transitions. [2018-12-01 17:45:44,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 17:45:44,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:44,488 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 836 states and 1133 transitions. [2018-12-01 17:45:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1133 transitions. [2018-12-01 17:45:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 17:45:44,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:45:46,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:46,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 873 states and 1179 transitions. [2018-12-01 17:45:46,947 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1179 transitions. [2018-12-01 17:45:46,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 17:45:46,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:45:47,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 881 states and 1187 transitions. [2018-12-01 17:45:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1187 transitions. [2018-12-01 17:45:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 17:45:47,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:45:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 882 states and 1187 transitions. [2018-12-01 17:45:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1187 transitions. [2018-12-01 17:45:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 17:45:47,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:47,488 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:45:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 906 states and 1217 transitions. [2018-12-01 17:45:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1217 transitions. [2018-12-01 17:45:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 17:45:48,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:45:49,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 913 states and 1224 transitions. [2018-12-01 17:45:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1224 transitions. [2018-12-01 17:45:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 17:45:49,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:45:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 920 states and 1231 transitions. [2018-12-01 17:45:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1231 transitions. [2018-12-01 17:45:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 17:45:49,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:45:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 929 states and 1240 transitions. [2018-12-01 17:45:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1240 transitions. [2018-12-01 17:45:50,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 17:45:50,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 17:45:51,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:51,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 938 states and 1258 transitions. [2018-12-01 17:45:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1258 transitions. [2018-12-01 17:45:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 17:45:51,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 17:45:57,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:57,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 987 states and 1317 transitions. [2018-12-01 17:45:57,475 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1317 transitions. [2018-12-01 17:45:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-01 17:45:57,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:45:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1004 states and 1334 transitions. [2018-12-01 17:45:57,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1334 transitions. [2018-12-01 17:45:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 17:45:57,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:45:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:46:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1034 states and 1371 transitions. [2018-12-01 17:46:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1371 transitions. [2018-12-01 17:46:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-01 17:46:03,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:46:04,236 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2018-12-01 17:46:06,253 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 17:46:07,512 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 17:46:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1059 states and 1398 transitions. [2018-12-01 17:46:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1398 transitions. [2018-12-01 17:46:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 17:46:08,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:09,296 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-01 17:46:10,060 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-12-01 17:46:10,437 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2018-12-01 17:46:10,681 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 17:46:12,940 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2018-12-01 17:46:17,284 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-01 17:46:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:19,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1114 states and 1457 transitions. [2018-12-01 17:46:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1457 transitions. [2018-12-01 17:46:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 17:46:19,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:19,488 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 17:46:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:19,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1123 states and 1466 transitions. [2018-12-01 17:46:19,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1466 transitions. [2018-12-01 17:46:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 17:46:19,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:46:23,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:23,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1181 states and 1536 transitions. [2018-12-01 17:46:23,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1536 transitions. [2018-12-01 17:46:23,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 17:46:23,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:46:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1192 states and 1546 transitions. [2018-12-01 17:46:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1546 transitions. [2018-12-01 17:46:24,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 17:46:24,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:46:24,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1209 states and 1564 transitions. [2018-12-01 17:46:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1564 transitions. [2018-12-01 17:46:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 17:46:24,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 17:46:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1211 states and 1566 transitions. [2018-12-01 17:46:24,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1566 transitions. [2018-12-01 17:46:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 17:46:24,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:24,614 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 17:46:24,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1212 states and 1566 transitions. [2018-12-01 17:46:24,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1566 transitions. [2018-12-01 17:46:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 17:46:24,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:46:26,637 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 17:46:28,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:28,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1249 states and 1609 transitions. [2018-12-01 17:46:28,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1609 transitions. [2018-12-01 17:46:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 17:46:28,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:46:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1278 states and 1640 transitions. [2018-12-01 17:46:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1640 transitions. [2018-12-01 17:46:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 17:46:29,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:46:29,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1287 states and 1648 transitions. [2018-12-01 17:46:29,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1648 transitions. [2018-12-01 17:46:29,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 17:46:29,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 17:46:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1300 states and 1665 transitions. [2018-12-01 17:46:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1665 transitions. [2018-12-01 17:46:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 17:46:31,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:46:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:34,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1330 states and 1701 transitions. [2018-12-01 17:46:34,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1701 transitions. [2018-12-01 17:46:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 17:46:34,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:46:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1339 states and 1711 transitions. [2018-12-01 17:46:35,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1711 transitions. [2018-12-01 17:46:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 17:46:35,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:46:37,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1347 states and 1727 transitions. [2018-12-01 17:46:37,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1727 transitions. [2018-12-01 17:46:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 17:46:37,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:46:39,535 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-12-01 17:46:39,836 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2018-12-01 17:46:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:44,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1387 states and 1773 transitions. [2018-12-01 17:46:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1773 transitions. [2018-12-01 17:46:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 17:46:44,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 124 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:46:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1398 states and 1784 transitions. [2018-12-01 17:46:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1784 transitions. [2018-12-01 17:46:48,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 17:46:48,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 17:46:48,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1400 states and 1790 transitions. [2018-12-01 17:46:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1790 transitions. [2018-12-01 17:46:48,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 17:46:48,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 17:46:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:48,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1404 states and 1795 transitions. [2018-12-01 17:46:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1795 transitions. [2018-12-01 17:46:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 17:46:48,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 17:46:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1409 states and 1799 transitions. [2018-12-01 17:46:49,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1799 transitions. [2018-12-01 17:46:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 17:46:49,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:46:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1439 states and 1833 transitions. [2018-12-01 17:46:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1833 transitions. [2018-12-01 17:46:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 17:46:54,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 17:46:55,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:55,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1469 states and 1865 transitions. [2018-12-01 17:46:55,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1865 transitions. [2018-12-01 17:46:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 17:46:55,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-01 17:46:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:57,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1473 states and 1876 transitions. [2018-12-01 17:46:57,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1876 transitions. [2018-12-01 17:46:57,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 17:46:57,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:57,494 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 17:46:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:46:57,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1480 states and 1881 transitions. [2018-12-01 17:46:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1881 transitions. [2018-12-01 17:46:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 17:46:57,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:46:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:46:59,568 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2018-12-01 17:47:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1510 states and 1919 transitions. [2018-12-01 17:47:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1919 transitions. [2018-12-01 17:47:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 17:47:03,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 17:47:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:07,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1534 states and 1950 transitions. [2018-12-01 17:47:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1950 transitions. [2018-12-01 17:47:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 17:47:07,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 17:47:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1538 states and 1958 transitions. [2018-12-01 17:47:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1958 transitions. [2018-12-01 17:47:11,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 17:47:11,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 17:47:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1543 states and 1965 transitions. [2018-12-01 17:47:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1965 transitions. [2018-12-01 17:47:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 17:47:11,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 17:47:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1546 states and 1969 transitions. [2018-12-01 17:47:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1969 transitions. [2018-12-01 17:47:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 17:47:12,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:47:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1548 states and 1970 transitions. [2018-12-01 17:47:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1970 transitions. [2018-12-01 17:47:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 17:47:12,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:47:14,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:14,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1553 states and 1974 transitions. [2018-12-01 17:47:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1974 transitions. [2018-12-01 17:47:14,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 17:47:14,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:17,602 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 17:47:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:18,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 1586 states and 2011 transitions. [2018-12-01 17:47:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2011 transitions. [2018-12-01 17:47:18,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 17:47:18,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:19,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:19,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1603 states and 2028 transitions. [2018-12-01 17:47:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2028 transitions. [2018-12-01 17:47:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-01 17:47:19,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:47:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1605 states and 2030 transitions. [2018-12-01 17:47:19,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2030 transitions. [2018-12-01 17:47:19,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 17:47:19,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:21,920 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-12-01 17:47:23,834 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-12-01 17:47:26,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:26,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1634 states and 2061 transitions. [2018-12-01 17:47:26,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2061 transitions. [2018-12-01 17:47:26,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 17:47:26,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:26,305 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 1644 states and 2074 transitions. [2018-12-01 17:47:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2074 transitions. [2018-12-01 17:47:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 17:47:28,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:28,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:28,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 1649 states and 2078 transitions. [2018-12-01 17:47:28,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2078 transitions. [2018-12-01 17:47:28,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 17:47:28,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:47:30,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:30,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1686 states and 2121 transitions. [2018-12-01 17:47:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 2121 transitions. [2018-12-01 17:47:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 17:47:30,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:30,970 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:47:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1722 states and 2159 transitions. [2018-12-01 17:47:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2159 transitions. [2018-12-01 17:47:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 17:47:33,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:47:34,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1727 states and 2164 transitions. [2018-12-01 17:47:34,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2164 transitions. [2018-12-01 17:47:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 17:47:34,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:47:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:35,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1741 states and 2177 transitions. [2018-12-01 17:47:35,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2177 transitions. [2018-12-01 17:47:35,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 17:47:35,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:47:36,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:36,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1742 states and 2177 transitions. [2018-12-01 17:47:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2177 transitions. [2018-12-01 17:47:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 17:47:36,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 183 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 17:47:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1746 states and 2182 transitions. [2018-12-01 17:47:37,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2182 transitions. [2018-12-01 17:47:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 17:47:37,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-01 17:47:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1816 states and 2255 transitions. [2018-12-01 17:47:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2255 transitions. [2018-12-01 17:47:38,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 17:47:38,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:38,135 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:47:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1854 states and 2295 transitions. [2018-12-01 17:47:40,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2295 transitions. [2018-12-01 17:47:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 17:47:40,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:47:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:43,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 1882 states and 2326 transitions. [2018-12-01 17:47:43,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2326 transitions. [2018-12-01 17:47:43,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 17:47:43,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:47:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 1923 states and 2365 transitions. [2018-12-01 17:47:44,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2365 transitions. [2018-12-01 17:47:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 17:47:44,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:46,557 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-01 17:47:48,053 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 17:47:49,529 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-01 17:47:50,962 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2018-12-01 17:47:53,344 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-12-01 17:47:55,678 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-01 17:47:59,599 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 17:48:00,133 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 17:48:03,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 1971 states and 2417 transitions. [2018-12-01 17:48:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2417 transitions. [2018-12-01 17:48:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 17:48:03,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2020 states and 2474 transitions. [2018-12-01 17:48:10,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2474 transitions. [2018-12-01 17:48:10,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 17:48:10,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:10,072 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:11,576 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 17:48:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2046 states and 2500 transitions. [2018-12-01 17:48:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2500 transitions. [2018-12-01 17:48:15,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 17:48:15,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:15,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2052 states and 2505 transitions. [2018-12-01 17:48:15,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2505 transitions. [2018-12-01 17:48:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-01 17:48:15,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:16,050 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2056 states and 2508 transitions. [2018-12-01 17:48:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2508 transitions. [2018-12-01 17:48:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 17:48:16,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 237 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:18,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2060 states and 2513 transitions. [2018-12-01 17:48:18,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2513 transitions. [2018-12-01 17:48:18,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 17:48:18,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:22,381 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2018-12-01 17:48:23,700 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-01 17:48:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2100 states and 2563 transitions. [2018-12-01 17:48:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2563 transitions. [2018-12-01 17:48:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 17:48:30,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:32,186 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 17:48:33,309 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-01 17:48:35,431 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-01 17:48:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2143 states and 2607 transitions. [2018-12-01 17:48:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 2607 transitions. [2018-12-01 17:48:40,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 17:48:40,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:40,810 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2161 states and 2631 transitions. [2018-12-01 17:48:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 2631 transitions. [2018-12-01 17:48:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 17:48:46,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:46,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2166 states and 2637 transitions. [2018-12-01 17:48:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2637 transitions. [2018-12-01 17:48:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 17:48:46,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:48:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2167 states and 2638 transitions. [2018-12-01 17:48:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2638 transitions. [2018-12-01 17:48:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 17:48:47,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:47,763 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 17:48:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2184 states and 2654 transitions. [2018-12-01 17:48:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2654 transitions. [2018-12-01 17:48:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 17:48:50,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-01 17:48:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:51,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2254 states and 2728 transitions. [2018-12-01 17:48:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2728 transitions. [2018-12-01 17:48:51,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 17:48:51,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-01 17:48:52,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2258 states and 2731 transitions. [2018-12-01 17:48:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 2731 transitions. [2018-12-01 17:48:52,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 17:48:52,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:48:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2260 states and 2735 transitions. [2018-12-01 17:48:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 2735 transitions. [2018-12-01 17:48:52,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 17:48:52,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:52,688 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 17:48:54,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:48:54,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2268 states and 2742 transitions. [2018-12-01 17:48:54,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 2742 transitions. [2018-12-01 17:48:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 17:48:54,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:48:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:48:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 198 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:49:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2288 states and 2785 transitions. [2018-12-01 17:49:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2785 transitions. [2018-12-01 17:49:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 17:49:01,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 198 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:49:10,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2316 states and 2813 transitions. [2018-12-01 17:49:10,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 2813 transitions. [2018-12-01 17:49:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 17:49:10,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 198 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:49:13,953 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-12-01 17:49:20,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:20,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2361 states and 2863 transitions. [2018-12-01 17:49:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2863 transitions. [2018-12-01 17:49:20,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 17:49:20,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 198 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:49:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:21,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 2366 states and 2868 transitions. [2018-12-01 17:49:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2868 transitions. [2018-12-01 17:49:21,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 17:49:21,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 198 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:49:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:23,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2379 states and 2883 transitions. [2018-12-01 17:49:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 2883 transitions. [2018-12-01 17:49:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-01 17:49:23,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 80 proven. 165 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:49:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 2458 states and 2977 transitions. [2018-12-01 17:49:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 2977 transitions. [2018-12-01 17:49:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-01 17:49:29,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-01 17:49:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 2543 states and 3076 transitions. [2018-12-01 17:49:38,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 3076 transitions. [2018-12-01 17:49:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:49:38,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-01 17:49:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 2544 states and 3077 transitions. [2018-12-01 17:49:39,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3077 transitions. [2018-12-01 17:49:39,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 17:49:39,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:39,178 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-01 17:49:40,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 2545 states and 3077 transitions. [2018-12-01 17:49:40,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 3077 transitions. [2018-12-01 17:49:40,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 17:49:40,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 17:49:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 2627 states and 3166 transitions. [2018-12-01 17:49:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3166 transitions. [2018-12-01 17:49:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 17:49:51,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-01 17:49:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 2720 states and 3267 transitions. [2018-12-01 17:49:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3267 transitions. [2018-12-01 17:49:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 17:49:57,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-01 17:49:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:49:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 2725 states and 3271 transitions. [2018-12-01 17:49:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 3271 transitions. [2018-12-01 17:49:58,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 17:49:58,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:49:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:49:58,887 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 17:50:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:50:02,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 2738 states and 3296 transitions. [2018-12-01 17:50:02,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3296 transitions. [2018-12-01 17:50:02,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 17:50:02,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:50:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:50:03,078 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 17:50:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:50:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 2748 states and 3311 transitions. [2018-12-01 17:50:09,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3311 transitions. [2018-12-01 17:50:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 17:50:09,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:50:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:50:09,546 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 17:50:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:50:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 2754 states and 3317 transitions. [2018-12-01 17:50:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3317 transitions. [2018-12-01 17:50:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 17:50:12,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:50:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:50:12,724 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 17:50:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:50:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2758 states and 3321 transitions. [2018-12-01 17:50:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3321 transitions. [2018-12-01 17:50:13,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 17:50:13,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:50:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:50:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 17:50:26,893 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 17:50:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:50:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 2844 states and 3420 transitions. [2018-12-01 17:50:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3420 transitions. [2018-12-01 17:50:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-01 17:50:33,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:50:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:50:34,732 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2018-12-01 17:50:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-01 17:50:52,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:50:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 2947 states and 3542 transitions. [2018-12-01 17:50:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 3542 transitions. [2018-12-01 17:50:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 17:50:52,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:50:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:50:57,591 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 17:51:09,933 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 17:51:13,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:51:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 2990 states and 3586 transitions. [2018-12-01 17:51:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3586 transitions. [2018-12-01 17:51:13,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-01 17:51:13,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:51:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:51:13,235 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 17:51:17,637 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-01 17:51:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:51:18,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 2992 states and 3586 transitions. [2018-12-01 17:51:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 3586 transitions. [2018-12-01 17:51:18,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 17:51:18,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:51:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:51:18,162 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-01 17:51:20,222 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-12-01 17:51:21,374 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-01 17:51:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:51:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3026 states and 3621 transitions. [2018-12-01 17:51:28,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3026 states and 3621 transitions. [2018-12-01 17:51:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 17:51:28,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:51:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:51:28,348 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-01 17:51:29,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:51:29,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 3035 states and 3630 transitions. [2018-12-01 17:51:29,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 3630 transitions. [2018-12-01 17:51:29,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 17:51:29,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:51:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:51:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-01 17:51:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:51:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3071 states and 3690 transitions. [2018-12-01 17:51:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3690 transitions. [2018-12-01 17:51:47,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 17:51:47,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:51:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:51:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-01 17:51:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:51:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 3097 states and 3727 transitions. [2018-12-01 17:51:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 3727 transitions. [2018-12-01 17:51:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 17:51:55,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:51:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:51:55,475 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-01 17:52:01,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3752 states to 3117 states and 3752 transitions. [2018-12-01 17:52:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 3752 transitions. [2018-12-01 17:52:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 17:52:01,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-01 17:52:02,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:02,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 3122 states and 3756 transitions. [2018-12-01 17:52:02,769 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states and 3756 transitions. [2018-12-01 17:52:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 17:52:02,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-01 17:52:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:06,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 3134 states and 3780 transitions. [2018-12-01 17:52:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3780 transitions. [2018-12-01 17:52:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 17:52:06,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-01 17:52:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3136 states and 3781 transitions. [2018-12-01 17:52:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 3781 transitions. [2018-12-01 17:52:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 17:52:06,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-01 17:52:07,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:07,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3137 states and 3782 transitions. [2018-12-01 17:52:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 3782 transitions. [2018-12-01 17:52:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 17:52:07,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-01 17:52:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3141 states and 3789 transitions. [2018-12-01 17:52:10,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 3789 transitions. [2018-12-01 17:52:10,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 17:52:10,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-01 17:52:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:13,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3792 states to 3143 states and 3792 transitions. [2018-12-01 17:52:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 3792 transitions. [2018-12-01 17:52:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 17:52:13,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-01 17:52:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 3146 states and 3795 transitions. [2018-12-01 17:52:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 3795 transitions. [2018-12-01 17:52:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-01 17:52:15,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-01 17:52:21,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3147 states and 3796 transitions. [2018-12-01 17:52:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3147 states and 3796 transitions. [2018-12-01 17:52:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 17:52:21,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:21,456 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 17:52:37,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:37,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3176 states and 3837 transitions. [2018-12-01 17:52:37,642 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 3837 transitions. [2018-12-01 17:52:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 17:52:37,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:37,766 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 17:52:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:40,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3179 states and 3840 transitions. [2018-12-01 17:52:40,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 3840 transitions. [2018-12-01 17:52:40,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 17:52:40,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:41,069 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 17:52:44,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:44,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3848 states to 3187 states and 3848 transitions. [2018-12-01 17:52:44,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3187 states and 3848 transitions. [2018-12-01 17:52:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 17:52:44,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:44,971 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 17:52:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3193 states and 3853 transitions. [2018-12-01 17:52:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 3853 transitions. [2018-12-01 17:52:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:52:47,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 17:52:54,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3869 states to 3206 states and 3869 transitions. [2018-12-01 17:52:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3206 states and 3869 transitions. [2018-12-01 17:52:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:52:54,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 17:52:55,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3213 states and 3876 transitions. [2018-12-01 17:52:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 3876 transitions. [2018-12-01 17:52:55,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:52:55,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 17:52:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:57,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3881 states to 3217 states and 3881 transitions. [2018-12-01 17:52:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3881 transitions. [2018-12-01 17:52:57,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:52:57,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:57,620 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 17:52:58,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:58,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3219 states and 3884 transitions. [2018-12-01 17:52:58,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 3884 transitions. [2018-12-01 17:52:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:52:58,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 17:52:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:52:59,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3221 states and 3884 transitions. [2018-12-01 17:52:59,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3221 states and 3884 transitions. [2018-12-01 17:52:59,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:52:59,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:52:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:52:59,494 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 17:53:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3891 states to 3226 states and 3891 transitions. [2018-12-01 17:53:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 3891 transitions. [2018-12-01 17:53:03,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:53:03,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:06,729 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-01 17:53:09,467 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 17:53:28,280 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 17:53:37,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3263 states and 3946 transitions. [2018-12-01 17:53:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 3946 transitions. [2018-12-01 17:53:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 17:53:37,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:53:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:53:38,204 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 17:53:53,393 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 17:53:53,989 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-01 17:53:56,999 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-01 17:53:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:53:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3039 states and 3700 transitions. [2018-12-01 17:53:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 3039 states and 3700 transitions. [2018-12-01 17:53:58,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:53:58,706 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 183 iterations. [2018-12-01 17:53:58,714 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 17:53:58,963 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 60 [2018-12-01 17:53:59,184 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 60 [2018-12-01 17:53:59,411 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 46 [2018-12-01 17:53:59,638 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 59 [2018-12-01 17:53:59,850 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 46 [2018-12-01 17:54:00,139 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 46 [2018-12-01 17:54:00,330 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 37 [2018-12-01 17:54:00,589 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 46 [2018-12-01 17:54:00,806 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 46 [2018-12-01 17:54:01,108 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 37 [2018-12-01 17:54:01,457 WARN L180 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2018-12-01 17:54:01,841 WARN L180 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2018-12-01 17:54:02,161 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 46 [2018-12-01 17:54:02,379 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 46 [2018-12-01 17:54:02,803 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 60 [2018-12-01 17:54:03,165 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2018-12-01 17:54:03,407 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 58 [2018-12-01 17:54:03,637 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 46 [2018-12-01 17:54:04,070 WARN L180 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 61 [2018-12-01 17:54:04,378 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 58 [2018-12-01 17:54:04,580 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 54 [2018-12-01 17:54:04,795 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 55 [2018-12-01 17:54:04,901 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 37 [2018-12-01 17:54:05,149 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 60 [2018-12-01 17:54:05,498 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 56 [2018-12-01 17:54:05,754 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 54 [2018-12-01 17:54:05,954 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 40 [2018-12-01 17:54:06,272 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 61 [2018-12-01 17:54:06,731 WARN L180 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2018-12-01 17:54:06,914 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 40 [2018-12-01 17:54:07,271 WARN L180 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 61 [2018-12-01 17:54:07,682 WARN L180 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 61 [2018-12-01 17:54:08,005 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 61 [2018-12-01 17:54:08,118 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 40 [2018-12-01 17:54:08,536 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 60 [2018-12-01 17:54:08,710 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 37 [2018-12-01 17:54:09,065 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 57 [2018-12-01 17:54:09,186 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 40 [2018-12-01 17:54:09,509 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 60 [2018-12-01 17:54:09,873 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 60 [2018-12-01 17:54:10,138 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 46 [2018-12-01 17:54:10,575 WARN L180 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2018-12-01 17:54:11,004 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 60 [2018-12-01 17:54:11,305 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 59 [2018-12-01 17:54:11,666 WARN L180 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 46 [2018-12-01 17:54:11,869 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 37 [2018-12-01 17:54:12,465 WARN L180 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 46 [2018-12-01 17:54:13,047 WARN L180 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 46 [2018-12-01 17:54:13,999 WARN L180 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 61 [2018-12-01 17:54:15,084 WARN L180 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2018-12-01 17:54:15,085 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:54:15,087 INFO L583 CodeCheckObserver]: Invariant with dag size 37 [2018-12-01 17:54:15,092 INFO L583 CodeCheckObserver]: Invariant with dag size 37 [2018-12-01 17:54:15,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:54:15 ImpRootNode [2018-12-01 17:54:15,094 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:54:15,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:54:15,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:54:15,094 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:54:15,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:45:04" (3/4) ... [2018-12-01 17:54:15,098 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:54:15,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-01 17:54:15,113 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 17:54:15,113 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 17:54:15,114 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:54:15,182 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d0d3879d-f4c6-4392-951b-d896af2d481e/bin-2019/ukojak/witness.graphml [2018-12-01 17:54:15,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:54:15,183 INFO L168 Benchmark]: Toolchain (without parser) took 551901.78 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 946.3 MB in the beginning and 301.2 MB in the end (delta: 645.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-01 17:54:15,183 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:54:15,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:15,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.02 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:15,184 INFO L168 Benchmark]: Boogie Preprocessor took 41.60 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:15,184 INFO L168 Benchmark]: RCFGBuilder took 1084.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 871.0 MB in the end (delta: 203.4 MB). Peak memory consumption was 203.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:15,184 INFO L168 Benchmark]: CodeCheck took 550297.58 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 871.0 MB in the beginning and 326.0 MB in the end (delta: 545.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-01 17:54:15,184 INFO L168 Benchmark]: Witness Printer took 88.53 ms. Allocated memory is still 2.2 GB. Free memory was 326.0 MB in the beginning and 301.2 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:54:15,185 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, 533.8s OverallTime, 183 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1610608112 SDtfs, 1621063210 SDslu, -2147447728 SDs, 0 SdLazy, -1382549850 SolverSat, -2011919012 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1087.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 216092 GetRequests, 208532 SyntacticMatches, 5098 SemanticMatches, 2462 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4261314 ImplicationChecksByTransitivity, 499.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 48.4s InterpolantComputationTime, 31695 NumberOfCodeBlocks, 31695 NumberOfCodeBlocksAsserted, 182 NumberOfCheckSat, 31513 ConstructedInterpolants, 0 QuantifiedInterpolants, 32392250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 182 InterpolantComputations, 146 PerfectInterpolantSequences, 34632/36754 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: 569]: 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: ((((((a8 == 15 || a17 == 1) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || (((((!(a21 == 1) && a7 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a16 == 6)) || (((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || !(a20 == 1)) || (((((a7 == 1 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a16 == 5)) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a17 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((a17 == 1 || a8 == 15) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || (((((!(a21 == 1) && a7 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a16 == 6)) || (((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || !(a20 == 1)) || (((((a7 == 1 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a16 == 5)) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a17 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.02 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.60 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1084.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 871.0 MB in the end (delta: 203.4 MB). Peak memory consumption was 203.4 MB. Max. memory is 11.5 GB. * CodeCheck took 550297.58 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 871.0 MB in the beginning and 326.0 MB in the end (delta: 545.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 88.53 ms. Allocated memory is still 2.2 GB. Free memory was 326.0 MB in the beginning and 301.2 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...