./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/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 ae8b9d15518dcb8efb3092579c510710d5de6c08 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:46:09,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:46:09,698 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:46:09,704 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:46:09,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:46:09,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:46:09,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:46:09,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:46:09,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:46:09,709 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:46:09,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:46:09,710 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:46:09,711 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:46:09,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:46:09,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:46:09,713 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:46:09,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:46:09,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:46:09,719 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:46:09,720 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:46:09,723 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:46:09,724 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:46:09,725 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:46:09,726 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:46:09,726 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:46:09,726 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:46:09,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:46:09,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:46:09,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:46:09,729 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:46:09,729 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:46:09,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:46:09,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:46:09,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:46:09,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:46:09,735 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:46:09,735 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:46:09,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:46:09,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:46:09,746 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:46:09,746 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:46:09,747 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:46:09,747 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:46:09,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:46:09,747 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:46:09,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:46:09,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:46:09,748 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:46:09,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:46:09,748 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:46:09,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:46:09,749 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:46:09,749 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:46:09,749 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:46:09,749 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:46:09,749 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:46:09,749 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:46:09,749 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:46:09,750 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:46:09,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:46:09,750 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:46:09,750 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:46:09,750 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:46:09,750 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:46:09,751 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:46:09,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:46:09,751 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_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/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 -> ae8b9d15518dcb8efb3092579c510710d5de6c08 [2018-11-18 18:46:09,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:46:09,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:46:09,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:46:09,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:46:09,804 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:46:09,804 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c [2018-11-18 18:46:09,872 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/data/ad1ae45c4/8db654bdcae544eb9d1c9bed4f0b6f05/FLAG21f487ce7 [2018-11-18 18:46:10,297 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:46:10,297 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/sv-benchmarks/c/eca-rers2012/Problem02_label24_true-unreach-call_false-termination.c [2018-11-18 18:46:10,318 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/data/ad1ae45c4/8db654bdcae544eb9d1c9bed4f0b6f05/FLAG21f487ce7 [2018-11-18 18:46:10,826 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/data/ad1ae45c4/8db654bdcae544eb9d1c9bed4f0b6f05 [2018-11-18 18:46:10,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:46:10,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:46:10,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:46:10,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:46:10,838 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:46:10,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:46:10" (1/1) ... [2018-11-18 18:46:10,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c484a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:10, skipping insertion in model container [2018-11-18 18:46:10,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:46:10" (1/1) ... [2018-11-18 18:46:10,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:46:10,906 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:46:11,244 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:46:11,248 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:46:11,329 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:46:11,342 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:46:11,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11 WrapperNode [2018-11-18 18:46:11,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:46:11,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:46:11,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:46:11,347 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:46:11,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11" (1/1) ... [2018-11-18 18:46:11,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11" (1/1) ... [2018-11-18 18:46:11,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:46:11,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:46:11,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:46:11,469 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:46:11,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11" (1/1) ... [2018-11-18 18:46:11,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11" (1/1) ... [2018-11-18 18:46:11,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11" (1/1) ... [2018-11-18 18:46:11,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11" (1/1) ... [2018-11-18 18:46:11,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11" (1/1) ... [2018-11-18 18:46:11,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11" (1/1) ... [2018-11-18 18:46:11,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11" (1/1) ... [2018-11-18 18:46:11,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:46:11,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:46:11,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:46:11,520 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:46:11,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:46:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 18:46:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:46:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:46:14,753 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:46:14,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:46:14 BoogieIcfgContainer [2018-11-18 18:46:14,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:46:14,754 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:46:14,755 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:46:14,765 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:46:14,765 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:46:14" (1/1) ... [2018-11-18 18:46:14,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:46:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:14,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 18:46:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 18:46:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 18:46:14,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:16,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-11-18 18:46:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-11-18 18:46:16,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 18:46:16,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:16,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 244 states and 344 transitions. [2018-11-18 18:46:16,839 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2018-11-18 18:46:16,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 18:46:16,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 324 states and 434 transitions. [2018-11-18 18:46:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 434 transitions. [2018-11-18 18:46:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 18:46:18,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:18,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 334 states and 447 transitions. [2018-11-18 18:46:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 447 transitions. [2018-11-18 18:46:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 18:46:18,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:18,621 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:18,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:18,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 339 states and 452 transitions. [2018-11-18 18:46:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 452 transitions. [2018-11-18 18:46:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 18:46:18,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 18:46:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 350 states and 467 transitions. [2018-11-18 18:46:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 467 transitions. [2018-11-18 18:46:19,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 18:46:19,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:19,416 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 18:46:19,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 353 states and 470 transitions. [2018-11-18 18:46:19,621 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 470 transitions. [2018-11-18 18:46:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 18:46:19,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 372 states and 494 transitions. [2018-11-18 18:46:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 494 transitions. [2018-11-18 18:46:20,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 18:46:20,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:21,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:21,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 377 states and 502 transitions. [2018-11-18 18:46:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 502 transitions. [2018-11-18 18:46:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 18:46:21,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 18:46:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 379 states and 504 transitions. [2018-11-18 18:46:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 504 transitions. [2018-11-18 18:46:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 18:46:21,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 388 states and 513 transitions. [2018-11-18 18:46:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 513 transitions. [2018-11-18 18:46:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 18:46:21,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 408 states and 538 transitions. [2018-11-18 18:46:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 538 transitions. [2018-11-18 18:46:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 18:46:22,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 413 states and 546 transitions. [2018-11-18 18:46:22,414 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 546 transitions. [2018-11-18 18:46:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 18:46:22,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 417 states and 551 transitions. [2018-11-18 18:46:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 551 transitions. [2018-11-18 18:46:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 18:46:22,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:22,685 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:23,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 437 states and 574 transitions. [2018-11-18 18:46:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 574 transitions. [2018-11-18 18:46:23,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 18:46:23,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:46:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 442 states and 581 transitions. [2018-11-18 18:46:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 581 transitions. [2018-11-18 18:46:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 18:46:23,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 462 states and 604 transitions. [2018-11-18 18:46:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 604 transitions. [2018-11-18 18:46:24,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 18:46:24,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:25,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:25,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 473 states and 620 transitions. [2018-11-18 18:46:25,283 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 620 transitions. [2018-11-18 18:46:25,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 18:46:25,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:25,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:25,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 476 states and 623 transitions. [2018-11-18 18:46:25,513 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 623 transitions. [2018-11-18 18:46:25,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 18:46:25,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:46:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 483 states and 631 transitions. [2018-11-18 18:46:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 631 transitions. [2018-11-18 18:46:25,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 18:46:25,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 18:46:27,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:27,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 527 states and 688 transitions. [2018-11-18 18:46:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 688 transitions. [2018-11-18 18:46:27,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 18:46:27,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:27,233 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:27,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 529 states and 692 transitions. [2018-11-18 18:46:27,397 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 692 transitions. [2018-11-18 18:46:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 18:46:27,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 18:46:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:27,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 534 states and 700 transitions. [2018-11-18 18:46:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 700 transitions. [2018-11-18 18:46:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 18:46:27,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:46:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 539 states and 705 transitions. [2018-11-18 18:46:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 705 transitions. [2018-11-18 18:46:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 18:46:28,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:29,946 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-18 18:46:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:32,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 662 states and 838 transitions. [2018-11-18 18:46:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 838 transitions. [2018-11-18 18:46:32,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 18:46:32,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 18:46:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 664 states and 840 transitions. [2018-11-18 18:46:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 840 transitions. [2018-11-18 18:46:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 18:46:32,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 673 states and 853 transitions. [2018-11-18 18:46:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 853 transitions. [2018-11-18 18:46:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 18:46:32,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:33,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 694 states and 877 transitions. [2018-11-18 18:46:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 877 transitions. [2018-11-18 18:46:33,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 18:46:33,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:34,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:34,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 702 states and 886 transitions. [2018-11-18 18:46:34,074 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 886 transitions. [2018-11-18 18:46:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 18:46:34,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 18:46:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:35,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 718 states and 906 transitions. [2018-11-18 18:46:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 906 transitions. [2018-11-18 18:46:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 18:46:35,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 18:46:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:35,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 719 states and 907 transitions. [2018-11-18 18:46:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 907 transitions. [2018-11-18 18:46:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 18:46:35,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:35,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:35,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 752 states and 942 transitions. [2018-11-18 18:46:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 942 transitions. [2018-11-18 18:46:35,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 18:46:35,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:36,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:36,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 761 states and 953 transitions. [2018-11-18 18:46:36,169 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 953 transitions. [2018-11-18 18:46:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 18:46:36,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 18:46:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:38,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 799 states and 1000 transitions. [2018-11-18 18:46:38,059 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1000 transitions. [2018-11-18 18:46:38,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 18:46:38,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 18:46:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 800 states and 1001 transitions. [2018-11-18 18:46:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1001 transitions. [2018-11-18 18:46:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 18:46:38,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:38,347 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 18:46:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 846 states and 1059 transitions. [2018-11-18 18:46:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1059 transitions. [2018-11-18 18:46:40,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 18:46:40,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 18:46:41,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 865 states and 1085 transitions. [2018-11-18 18:46:41,019 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1085 transitions. [2018-11-18 18:46:41,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 18:46:41,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:41,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 886 states and 1107 transitions. [2018-11-18 18:46:41,448 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1107 transitions. [2018-11-18 18:46:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 18:46:41,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:46:41,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:41,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 893 states and 1114 transitions. [2018-11-18 18:46:41,618 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1114 transitions. [2018-11-18 18:46:41,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 18:46:41,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:42,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 926 states and 1153 transitions. [2018-11-18 18:46:42,703 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1153 transitions. [2018-11-18 18:46:42,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 18:46:42,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:42,721 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 18:46:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 941 states and 1173 transitions. [2018-11-18 18:46:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1173 transitions. [2018-11-18 18:46:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 18:46:43,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 18:46:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 963 states and 1200 transitions. [2018-11-18 18:46:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1200 transitions. [2018-11-18 18:46:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 18:46:43,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:46:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 970 states and 1209 transitions. [2018-11-18 18:46:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1209 transitions. [2018-11-18 18:46:44,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 18:46:44,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 18:46:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 991 states and 1232 transitions. [2018-11-18 18:46:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1232 transitions. [2018-11-18 18:46:44,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 18:46:44,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:44,671 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1004 states and 1245 transitions. [2018-11-18 18:46:45,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1245 transitions. [2018-11-18 18:46:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 18:46:45,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1016 states and 1256 transitions. [2018-11-18 18:46:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1256 transitions. [2018-11-18 18:46:45,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 18:46:45,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 18:46:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:45,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1020 states and 1260 transitions. [2018-11-18 18:46:45,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1260 transitions. [2018-11-18 18:46:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 18:46:45,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:46:45,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1030 states and 1269 transitions. [2018-11-18 18:46:45,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1269 transitions. [2018-11-18 18:46:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 18:46:45,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:46:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1045 states and 1283 transitions. [2018-11-18 18:46:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1283 transitions. [2018-11-18 18:46:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 18:46:45,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:46,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:46,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1068 states and 1310 transitions. [2018-11-18 18:46:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1310 transitions. [2018-11-18 18:46:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 18:46:46,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:47,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1076 states and 1317 transitions. [2018-11-18 18:46:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1317 transitions. [2018-11-18 18:46:47,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 18:46:47,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1077 states and 1317 transitions. [2018-11-18 18:46:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1317 transitions. [2018-11-18 18:46:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 18:46:47,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:48,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1109 states and 1354 transitions. [2018-11-18 18:46:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1354 transitions. [2018-11-18 18:46:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 18:46:48,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 18:46:49,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1113 states and 1358 transitions. [2018-11-18 18:46:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1358 transitions. [2018-11-18 18:46:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 18:46:49,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 18:46:49,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1114 states and 1359 transitions. [2018-11-18 18:46:49,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1359 transitions. [2018-11-18 18:46:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 18:46:49,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1116 states and 1362 transitions. [2018-11-18 18:46:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1362 transitions. [2018-11-18 18:46:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 18:46:49,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 18:46:49,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1125 states and 1371 transitions. [2018-11-18 18:46:49,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1371 transitions. [2018-11-18 18:46:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 18:46:49,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 18:46:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1134 states and 1380 transitions. [2018-11-18 18:46:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1380 transitions. [2018-11-18 18:46:49,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 18:46:49,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:46:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:50,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1166 states and 1417 transitions. [2018-11-18 18:46:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1417 transitions. [2018-11-18 18:46:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 18:46:50,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:50,692 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 18:46:50,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:50,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1167 states and 1417 transitions. [2018-11-18 18:46:50,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1417 transitions. [2018-11-18 18:46:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 18:46:50,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 18:46:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1184 states and 1436 transitions. [2018-11-18 18:46:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1436 transitions. [2018-11-18 18:46:52,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 18:46:52,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1264 states and 1521 transitions. [2018-11-18 18:46:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1521 transitions. [2018-11-18 18:46:54,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 18:46:54,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 18:46:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1268 states and 1525 transitions. [2018-11-18 18:46:54,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1525 transitions. [2018-11-18 18:46:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 18:46:54,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 18:46:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:55,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1294 states and 1553 transitions. [2018-11-18 18:46:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1553 transitions. [2018-11-18 18:46:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 18:46:55,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 18:46:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1302 states and 1560 transitions. [2018-11-18 18:46:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1560 transitions. [2018-11-18 18:46:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 18:46:55,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 18:46:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:56,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1305 states and 1568 transitions. [2018-11-18 18:46:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1568 transitions. [2018-11-18 18:46:56,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 18:46:56,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:56,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:56,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1320 states and 1585 transitions. [2018-11-18 18:46:56,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1585 transitions. [2018-11-18 18:46:56,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 18:46:56,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 18:46:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1329 states and 1594 transitions. [2018-11-18 18:46:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1594 transitions. [2018-11-18 18:46:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 18:46:56,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:46:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1334 states and 1599 transitions. [2018-11-18 18:46:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1599 transitions. [2018-11-18 18:46:56,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 18:46:56,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:46:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1351 states and 1616 transitions. [2018-11-18 18:46:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1616 transitions. [2018-11-18 18:46:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 18:46:57,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:46:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:46:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1371 states and 1637 transitions. [2018-11-18 18:46:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1637 transitions. [2018-11-18 18:46:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 18:46:57,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:46:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:46:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 18:47:01,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1434 states and 1701 transitions. [2018-11-18 18:47:01,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1701 transitions. [2018-11-18 18:47:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 18:47:01,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 18:47:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:02,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1470 states and 1748 transitions. [2018-11-18 18:47:02,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1748 transitions. [2018-11-18 18:47:02,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 18:47:02,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 18:47:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:03,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1480 states and 1758 transitions. [2018-11-18 18:47:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1758 transitions. [2018-11-18 18:47:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 18:47:03,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 18:47:03,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:03,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1484 states and 1761 transitions. [2018-11-18 18:47:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1761 transitions. [2018-11-18 18:47:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 18:47:03,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 18:47:07,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:07,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1555 states and 1831 transitions. [2018-11-18 18:47:07,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1831 transitions. [2018-11-18 18:47:07,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 18:47:07,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:07,073 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 18:47:07,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1560 states and 1839 transitions. [2018-11-18 18:47:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1839 transitions. [2018-11-18 18:47:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 18:47:07,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:47:09,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1599 states and 1883 transitions. [2018-11-18 18:47:09,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1883 transitions. [2018-11-18 18:47:09,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 18:47:09,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:47:09,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1610 states and 1898 transitions. [2018-11-18 18:47:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1898 transitions. [2018-11-18 18:47:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 18:47:09,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:47:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1615 states and 1902 transitions. [2018-11-18 18:47:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1902 transitions. [2018-11-18 18:47:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 18:47:10,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 18:47:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1649 states and 1940 transitions. [2018-11-18 18:47:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1940 transitions. [2018-11-18 18:47:11,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 18:47:11,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 18:47:11,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:11,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1650 states and 1940 transitions. [2018-11-18 18:47:11,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 1940 transitions. [2018-11-18 18:47:11,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 18:47:11,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 95 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 18:47:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:11,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1651 states and 1943 transitions. [2018-11-18 18:47:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1943 transitions. [2018-11-18 18:47:11,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 18:47:11,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 95 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 18:47:12,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1655 states and 1948 transitions. [2018-11-18 18:47:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 1948 transitions. [2018-11-18 18:47:12,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 18:47:12,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 18:47:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1705 states and 2001 transitions. [2018-11-18 18:47:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2001 transitions. [2018-11-18 18:47:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 18:47:12,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 18:47:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1706 states and 2001 transitions. [2018-11-18 18:47:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2001 transitions. [2018-11-18 18:47:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 18:47:12,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 18:47:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1725 states and 2019 transitions. [2018-11-18 18:47:13,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2019 transitions. [2018-11-18 18:47:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 18:47:13,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 18:47:13,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:13,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 1727 states and 2022 transitions. [2018-11-18 18:47:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2022 transitions. [2018-11-18 18:47:13,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 18:47:13,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 18:47:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 1738 states and 2033 transitions. [2018-11-18 18:47:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2033 transitions. [2018-11-18 18:47:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 18:47:13,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:47:13,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 1760 states and 2056 transitions. [2018-11-18 18:47:13,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2056 transitions. [2018-11-18 18:47:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 18:47:13,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:13,863 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 18:47:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:14,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1814 states and 2112 transitions. [2018-11-18 18:47:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2112 transitions. [2018-11-18 18:47:14,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 18:47:14,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:14,075 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:47:14,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 1842 states and 2140 transitions. [2018-11-18 18:47:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2140 transitions. [2018-11-18 18:47:14,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 18:47:14,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:47:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 1855 states and 2153 transitions. [2018-11-18 18:47:15,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2153 transitions. [2018-11-18 18:47:15,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 18:47:15,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 18:47:17,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:17,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1919 states and 2221 transitions. [2018-11-18 18:47:17,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2221 transitions. [2018-11-18 18:47:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 18:47:17,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:17,341 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 18:47:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 1920 states and 2223 transitions. [2018-11-18 18:47:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2223 transitions. [2018-11-18 18:47:17,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 18:47:17,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 18:47:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1969 states and 2272 transitions. [2018-11-18 18:47:17,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2272 transitions. [2018-11-18 18:47:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 18:47:17,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 18:47:21,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2069 states and 2373 transitions. [2018-11-18 18:47:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2373 transitions. [2018-11-18 18:47:21,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 18:47:21,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:47:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2075 states and 2379 transitions. [2018-11-18 18:47:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2379 transitions. [2018-11-18 18:47:22,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 18:47:22,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 18:47:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2080 states and 2389 transitions. [2018-11-18 18:47:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2389 transitions. [2018-11-18 18:47:23,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 18:47:23,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 18:47:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 2095 states and 2408 transitions. [2018-11-18 18:47:23,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2408 transitions. [2018-11-18 18:47:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 18:47:23,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 18:47:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2103 states and 2417 transitions. [2018-11-18 18:47:24,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2417 transitions. [2018-11-18 18:47:24,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 18:47:24,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 18:47:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2104 states and 2418 transitions. [2018-11-18 18:47:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2418 transitions. [2018-11-18 18:47:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 18:47:24,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:47:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2121 states and 2438 transitions. [2018-11-18 18:47:26,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2438 transitions. [2018-11-18 18:47:26,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 18:47:26,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 18:47:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2126 states and 2442 transitions. [2018-11-18 18:47:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2442 transitions. [2018-11-18 18:47:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 18:47:26,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:26,377 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 18:47:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2135 states and 2457 transitions. [2018-11-18 18:47:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2457 transitions. [2018-11-18 18:47:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 18:47:27,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 18:47:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2185 states and 2508 transitions. [2018-11-18 18:47:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2508 transitions. [2018-11-18 18:47:27,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 18:47:27,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 211 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:47:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2262 states and 2596 transitions. [2018-11-18 18:47:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2596 transitions. [2018-11-18 18:47:33,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 18:47:33,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 211 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:47:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2266 states and 2601 transitions. [2018-11-18 18:47:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2601 transitions. [2018-11-18 18:47:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 18:47:34,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 184 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 18:47:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2272 states and 2606 transitions. [2018-11-18 18:47:34,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2606 transitions. [2018-11-18 18:47:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 18:47:34,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 18:47:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:34,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2281 states and 2616 transitions. [2018-11-18 18:47:34,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2616 transitions. [2018-11-18 18:47:34,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 18:47:34,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:47:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:36,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2287 states and 2626 transitions. [2018-11-18 18:47:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2626 transitions. [2018-11-18 18:47:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 18:47:36,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:47:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:37,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2291 states and 2629 transitions. [2018-11-18 18:47:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 2629 transitions. [2018-11-18 18:47:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 18:47:37,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 18:47:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2310 states and 2651 transitions. [2018-11-18 18:47:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2651 transitions. [2018-11-18 18:47:38,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 18:47:38,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 18:47:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2328 states and 2668 transitions. [2018-11-18 18:47:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 2668 transitions. [2018-11-18 18:47:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 18:47:38,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 18:47:45,843 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-11-18 18:47:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2391 states and 2730 transitions. [2018-11-18 18:47:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 2730 transitions. [2018-11-18 18:47:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 18:47:46,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 18:47:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:47,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2429 states and 2768 transitions. [2018-11-18 18:47:47,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 2768 transitions. [2018-11-18 18:47:47,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 18:47:47,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 18:47:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:50,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2509 states and 2850 transitions. [2018-11-18 18:47:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 2850 transitions. [2018-11-18 18:47:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 18:47:50,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 18:47:52,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:52,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2530 states and 2872 transitions. [2018-11-18 18:47:52,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2872 transitions. [2018-11-18 18:47:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 18:47:52,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 18:47:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2531 states and 2872 transitions. [2018-11-18 18:47:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2872 transitions. [2018-11-18 18:47:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 18:47:52,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 18:47:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2532 states and 2873 transitions. [2018-11-18 18:47:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 2873 transitions. [2018-11-18 18:47:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-18 18:47:52,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:52,516 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 18:47:52,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2539 states and 2880 transitions. [2018-11-18 18:47:52,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 2880 transitions. [2018-11-18 18:47:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 18:47:52,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 18:47:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2558 states and 2904 transitions. [2018-11-18 18:47:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 2904 transitions. [2018-11-18 18:47:53,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 18:47:53,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:53,983 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 18:47:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2559 states and 2904 transitions. [2018-11-18 18:47:54,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 2904 transitions. [2018-11-18 18:47:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 18:47:54,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 18:47:55,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2577 states and 2925 transitions. [2018-11-18 18:47:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 2925 transitions. [2018-11-18 18:47:55,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 18:47:55,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-18 18:47:58,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:58,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2634 states and 2989 transitions. [2018-11-18 18:47:58,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 2989 transitions. [2018-11-18 18:47:58,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 18:47:58,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-18 18:47:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:47:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 2679 states and 3037 transitions. [2018-11-18 18:47:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3037 transitions. [2018-11-18 18:47:59,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 18:47:59,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:47:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:47:59,379 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-18 18:48:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 2716 states and 3078 transitions. [2018-11-18 18:48:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3078 transitions. [2018-11-18 18:48:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 18:48:02,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 273 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 18:48:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 2769 states and 3135 transitions. [2018-11-18 18:48:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3135 transitions. [2018-11-18 18:48:04,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 18:48:04,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:04,565 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 228 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:48:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 2781 states and 3149 transitions. [2018-11-18 18:48:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3149 transitions. [2018-11-18 18:48:05,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 18:48:05,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 228 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:48:05,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:05,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 2785 states and 3152 transitions. [2018-11-18 18:48:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3152 transitions. [2018-11-18 18:48:05,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 18:48:05,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 228 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:48:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 2786 states and 3152 transitions. [2018-11-18 18:48:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3152 transitions. [2018-11-18 18:48:06,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 18:48:06,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 18:48:06,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:06,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 2788 states and 3154 transitions. [2018-11-18 18:48:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3154 transitions. [2018-11-18 18:48:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 18:48:06,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 249 proven. 17 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 18:48:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 2809 states and 3177 transitions. [2018-11-18 18:48:08,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3177 transitions. [2018-11-18 18:48:08,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 18:48:08,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 18:48:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:11,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 2846 states and 3223 transitions. [2018-11-18 18:48:11,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3223 transitions. [2018-11-18 18:48:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 18:48:11,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 18:48:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3228 states to 2851 states and 3228 transitions. [2018-11-18 18:48:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 3228 transitions. [2018-11-18 18:48:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 18:48:11,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 18:48:12,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 2856 states and 3233 transitions. [2018-11-18 18:48:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 3233 transitions. [2018-11-18 18:48:12,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 18:48:12,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 18:48:13,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:13,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 2871 states and 3254 transitions. [2018-11-18 18:48:13,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3254 transitions. [2018-11-18 18:48:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 18:48:13,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 18 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-18 18:48:15,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 2929 states and 3314 transitions. [2018-11-18 18:48:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 3314 transitions. [2018-11-18 18:48:15,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 18:48:15,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 18 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-18 18:48:16,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:16,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 2930 states and 3315 transitions. [2018-11-18 18:48:16,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 3315 transitions. [2018-11-18 18:48:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 18:48:16,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-18 18:48:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 2931 states and 3315 transitions. [2018-11-18 18:48:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 3315 transitions. [2018-11-18 18:48:16,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-18 18:48:16,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-18 18:48:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3005 states and 3390 transitions. [2018-11-18 18:48:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 3390 transitions. [2018-11-18 18:48:17,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-18 18:48:17,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-18 18:48:18,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3404 states to 3016 states and 3404 transitions. [2018-11-18 18:48:18,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 3404 transitions. [2018-11-18 18:48:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-18 18:48:18,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 358 proven. 17 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 18:48:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3020 states and 3408 transitions. [2018-11-18 18:48:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3408 transitions. [2018-11-18 18:48:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 18:48:19,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:19,361 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 18:48:19,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3021 states and 3408 transitions. [2018-11-18 18:48:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 3408 transitions. [2018-11-18 18:48:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 18:48:19,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:19,703 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-18 18:48:20,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3034 states and 3421 transitions. [2018-11-18 18:48:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 3421 transitions. [2018-11-18 18:48:20,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 18:48:20,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-18 18:48:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3037 states and 3423 transitions. [2018-11-18 18:48:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 3423 transitions. [2018-11-18 18:48:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 18:48:21,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-18 18:48:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:22,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3050 states and 3436 transitions. [2018-11-18 18:48:22,070 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 3436 transitions. [2018-11-18 18:48:22,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 18:48:22,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:22,153 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-18 18:48:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 3052 states and 3437 transitions. [2018-11-18 18:48:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 3437 transitions. [2018-11-18 18:48:22,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 18:48:22,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-18 18:48:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3097 states and 3486 transitions. [2018-11-18 18:48:27,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 3486 transitions. [2018-11-18 18:48:27,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 18:48:27,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-18 18:48:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3113 states and 3501 transitions. [2018-11-18 18:48:28,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 3501 transitions. [2018-11-18 18:48:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 18:48:28,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-18 18:48:29,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3516 states to 3129 states and 3516 transitions. [2018-11-18 18:48:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 3516 transitions. [2018-11-18 18:48:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 18:48:29,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 18:48:29,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:29,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 3130 states and 3517 transitions. [2018-11-18 18:48:29,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 3517 transitions. [2018-11-18 18:48:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 18:48:29,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:29,964 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 18:48:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:31,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3176 states and 3563 transitions. [2018-11-18 18:48:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 3563 transitions. [2018-11-18 18:48:31,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 18:48:31,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 18:48:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3187 states and 3574 transitions. [2018-11-18 18:48:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 3187 states and 3574 transitions. [2018-11-18 18:48:31,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 18:48:31,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 18:48:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:31,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 3191 states and 3577 transitions. [2018-11-18 18:48:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3191 states and 3577 transitions. [2018-11-18 18:48:31,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 18:48:31,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 18:48:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3209 states and 3595 transitions. [2018-11-18 18:48:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 3595 transitions. [2018-11-18 18:48:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 18:48:32,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 18:48:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 3216 states and 3601 transitions. [2018-11-18 18:48:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 3601 transitions. [2018-11-18 18:48:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 18:48:32,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 362 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 18:48:34,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3236 states and 3621 transitions. [2018-11-18 18:48:34,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 3621 transitions. [2018-11-18 18:48:34,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 18:48:34,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 437 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:48:42,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:42,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3275 states and 3664 transitions. [2018-11-18 18:48:42,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 3664 transitions. [2018-11-18 18:48:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-18 18:48:42,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 18:48:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:42,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3678 states to 3286 states and 3678 transitions. [2018-11-18 18:48:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 3678 transitions. [2018-11-18 18:48:42,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-18 18:48:42,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 18:48:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3291 states and 3684 transitions. [2018-11-18 18:48:43,284 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 3684 transitions. [2018-11-18 18:48:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-18 18:48:43,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 18:48:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:43,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3296 states and 3690 transitions. [2018-11-18 18:48:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 3690 transitions. [2018-11-18 18:48:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-18 18:48:43,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 18:48:44,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3308 states and 3702 transitions. [2018-11-18 18:48:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3308 states and 3702 transitions. [2018-11-18 18:48:44,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 18:48:44,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:44,348 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 18:48:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 3309 states and 3703 transitions. [2018-11-18 18:48:44,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 3703 transitions. [2018-11-18 18:48:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 18:48:44,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 18:48:45,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 3314 states and 3709 transitions. [2018-11-18 18:48:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 3709 transitions. [2018-11-18 18:48:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 18:48:45,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 18:48:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 3329 states and 3725 transitions. [2018-11-18 18:48:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 3725 transitions. [2018-11-18 18:48:46,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 18:48:46,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 18:48:46,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3339 states and 3734 transitions. [2018-11-18 18:48:46,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 3734 transitions. [2018-11-18 18:48:46,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 18:48:46,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 18:48:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:47,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3344 states and 3738 transitions. [2018-11-18 18:48:47,325 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 3738 transitions. [2018-11-18 18:48:47,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-18 18:48:47,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 18:48:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3360 states and 3755 transitions. [2018-11-18 18:48:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 3755 transitions. [2018-11-18 18:48:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-18 18:48:48,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:48,777 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 18:48:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3361 states and 3755 transitions. [2018-11-18 18:48:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 3755 transitions. [2018-11-18 18:48:49,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 18:48:49,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 367 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:48:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3776 states to 3379 states and 3776 transitions. [2018-11-18 18:48:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3379 states and 3776 transitions. [2018-11-18 18:48:51,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-18 18:48:51,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:51,171 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-11-18 18:48:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3384 states and 3782 transitions. [2018-11-18 18:48:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 3782 transitions. [2018-11-18 18:48:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 18:48:51,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 18:48:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:52,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 3405 states and 3802 transitions. [2018-11-18 18:48:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 3802 transitions. [2018-11-18 18:48:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 18:48:52,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 18:48:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:54,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3467 states and 3866 transitions. [2018-11-18 18:48:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 3467 states and 3866 transitions. [2018-11-18 18:48:54,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 18:48:54,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 18:48:57,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3510 states and 3912 transitions. [2018-11-18 18:48:57,723 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 3912 transitions. [2018-11-18 18:48:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 18:48:57,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 18:48:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:48:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3538 states and 3939 transitions. [2018-11-18 18:48:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3538 states and 3939 transitions. [2018-11-18 18:48:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 18:48:58,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:48:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:48:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 18:49:00,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:00,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3943 states to 3543 states and 3943 transitions. [2018-11-18 18:49:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3543 states and 3943 transitions. [2018-11-18 18:49:00,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 18:49:00,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:00,094 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 18:49:01,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:01,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3571 states and 3971 transitions. [2018-11-18 18:49:01,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3571 states and 3971 transitions. [2018-11-18 18:49:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 18:49:01,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 18:49:05,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3595 states and 3994 transitions. [2018-11-18 18:49:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 3994 transitions. [2018-11-18 18:49:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 18:49:05,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-11-18 18:49:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4014 states to 3613 states and 4014 transitions. [2018-11-18 18:49:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4014 transitions. [2018-11-18 18:49:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 18:49:07,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 438 proven. 5 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 18:49:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 3652 states and 4060 transitions. [2018-11-18 18:49:08,629 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 4060 transitions. [2018-11-18 18:49:08,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 18:49:08,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 241 proven. 133 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 18:49:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4111 states to 3693 states and 4111 transitions. [2018-11-18 18:49:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3693 states and 4111 transitions. [2018-11-18 18:49:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 18:49:12,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 438 proven. 5 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 18:49:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4112 states to 3695 states and 4112 transitions. [2018-11-18 18:49:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3695 states and 4112 transitions. [2018-11-18 18:49:12,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 18:49:12,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 438 proven. 5 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 18:49:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 3715 states and 4131 transitions. [2018-11-18 18:49:13,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3715 states and 4131 transitions. [2018-11-18 18:49:13,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 18:49:13,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 438 proven. 5 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 18:49:13,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:13,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4150 states to 3735 states and 4150 transitions. [2018-11-18 18:49:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 4150 transitions. [2018-11-18 18:49:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-11-18 18:49:13,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 18:49:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:14,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4151 states to 3736 states and 4151 transitions. [2018-11-18 18:49:14,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 4151 transitions. [2018-11-18 18:49:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-11-18 18:49:14,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 364 proven. 34 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 18:49:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4164 states to 3750 states and 4164 transitions. [2018-11-18 18:49:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3750 states and 4164 transitions. [2018-11-18 18:49:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-11-18 18:49:16,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 364 proven. 34 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 18:49:18,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 3767 states and 4182 transitions. [2018-11-18 18:49:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 4182 transitions. [2018-11-18 18:49:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-11-18 18:49:18,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 364 proven. 34 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 18:49:19,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 3777 states and 4191 transitions. [2018-11-18 18:49:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4191 transitions. [2018-11-18 18:49:19,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-11-18 18:49:19,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 507 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-18 18:49:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 3859 states and 4282 transitions. [2018-11-18 18:49:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 3859 states and 4282 transitions. [2018-11-18 18:49:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-11-18 18:49:23,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 507 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-18 18:49:25,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4317 states to 3892 states and 4317 transitions. [2018-11-18 18:49:25,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 4317 transitions. [2018-11-18 18:49:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-11-18 18:49:25,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2018-11-18 18:49:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4400 states to 3972 states and 4400 transitions. [2018-11-18 18:49:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 4400 transitions. [2018-11-18 18:49:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-11-18 18:49:31,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 541 proven. 5 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-11-18 18:49:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4406 states to 3977 states and 4406 transitions. [2018-11-18 18:49:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3977 states and 4406 transitions. [2018-11-18 18:49:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-11-18 18:49:32,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:32,857 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 541 proven. 5 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-11-18 18:49:33,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:33,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4412 states to 3982 states and 4412 transitions. [2018-11-18 18:49:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3982 states and 4412 transitions. [2018-11-18 18:49:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-11-18 18:49:33,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 274 proven. 3 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-11-18 18:49:34,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4417 states to 3987 states and 4417 transitions. [2018-11-18 18:49:34,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 4417 transitions. [2018-11-18 18:49:34,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-11-18 18:49:34,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 274 proven. 3 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-11-18 18:49:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4455 states to 4024 states and 4455 transitions. [2018-11-18 18:49:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4024 states and 4455 transitions. [2018-11-18 18:49:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-11-18 18:49:35,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 274 proven. 3 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-11-18 18:49:36,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4459 states to 4029 states and 4459 transitions. [2018-11-18 18:49:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 4029 states and 4459 transitions. [2018-11-18 18:49:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-11-18 18:49:36,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 566 proven. 7 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 18:49:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 4035 states and 4465 transitions. [2018-11-18 18:49:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 4465 transitions. [2018-11-18 18:49:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 18:49:36,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-11-18 18:49:39,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:39,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4058 states and 4489 transitions. [2018-11-18 18:49:39,362 INFO L276 IsEmpty]: Start isEmpty. Operand 4058 states and 4489 transitions. [2018-11-18 18:49:39,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-18 18:49:39,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:49:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:49:41,183 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 74 proven. 410 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 18:49:49,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:49:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4062 states and 4517 transitions. [2018-11-18 18:49:49,413 INFO L276 IsEmpty]: Start isEmpty. Operand 4062 states and 4517 transitions. [2018-11-18 18:49:49,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:49:49,416 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 201 iterations. [2018-11-18 18:49:49,425 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:49:49,630 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-11-18 18:49:49,831 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-11-18 18:49:50,108 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2018-11-18 18:49:50,415 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 17 [2018-11-18 18:49:50,641 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-11-18 18:49:50,874 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-11-18 18:49:51,085 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 17 [2018-11-18 18:49:51,491 WARN L180 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2018-11-18 18:49:51,656 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2018-11-18 18:49:51,856 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 17 [2018-11-18 18:49:52,066 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 17 [2018-11-18 18:49:52,205 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 17 [2018-11-18 18:49:52,343 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 17 [2018-11-18 18:49:52,461 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2018-11-18 18:49:52,675 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-11-18 18:49:52,890 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 17 [2018-11-18 18:49:53,096 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-11-18 18:49:53,198 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2018-11-18 18:49:53,421 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-11-18 18:49:53,593 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2018-11-18 18:49:53,749 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-11-18 18:49:53,895 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 17 [2018-11-18 18:49:54,018 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 17 [2018-11-18 18:49:54,351 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 50 [2018-11-18 18:49:54,472 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 17 [2018-11-18 18:49:54,698 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 17 [2018-11-18 18:49:54,817 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2018-11-18 18:49:55,040 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-11-18 18:49:55,193 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2018-11-18 18:49:55,453 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-11-18 18:49:55,611 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-11-18 18:49:55,864 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-11-18 18:49:56,058 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 17 [2018-11-18 18:49:56,163 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 17 [2018-11-18 18:49:56,384 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-11-18 18:49:56,519 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 17 [2018-11-18 18:49:56,646 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 17 [2018-11-18 18:49:56,903 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 46 [2018-11-18 18:49:57,179 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-11-18 18:49:57,339 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-11-18 18:49:57,633 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-11-18 18:49:57,850 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-11-18 18:49:57,976 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 17 [2018-11-18 18:49:58,153 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-11-18 18:49:58,433 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 17 [2018-11-18 18:49:58,593 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 17 [2018-11-18 18:49:59,071 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-11-18 18:49:59,288 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-11-18 18:49:59,498 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-11-18 18:49:59,786 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2018-11-18 18:49:59,962 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-11-18 18:50:00,072 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 17 [2018-11-18 18:50:00,183 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2018-11-18 18:50:00,388 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-11-18 18:50:00,555 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-11-18 18:50:00,763 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 17 [2018-11-18 18:50:01,004 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-11-18 18:50:01,153 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-11-18 18:50:01,597 WARN L180 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-11-18 18:50:01,824 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-11-18 18:50:02,084 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-11-18 18:50:02,216 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 17 [2018-11-18 18:50:02,490 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 46 [2018-11-18 18:50:02,623 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 17 [2018-11-18 18:50:02,875 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-11-18 18:50:02,876 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:50:02,878 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 18:50:02,888 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 18:50:02,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:50:02 ImpRootNode [2018-11-18 18:50:02,889 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:50:02,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:50:02,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:50:02,889 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:50:02,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:46:14" (3/4) ... [2018-11-18 18:50:02,893 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:50:02,910 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 18:50:02,912 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 18:50:02,913 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 18:50:02,914 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 18:50:03,047 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dfd1fb54-e963-4dc2-87a7-67ae10b38a15/bin-2019/ukojak/witness.graphml [2018-11-18 18:50:03,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:50:03,049 INFO L168 Benchmark]: Toolchain (without parser) took 232218.07 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 955.5 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 899.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:50:03,049 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:50:03,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.19 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 920.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:50:03,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:50:03,050 INFO L168 Benchmark]: Boogie Preprocessor took 50.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:50:03,050 INFO L168 Benchmark]: RCFGBuilder took 3234.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.8 MB in the end (delta: 236.6 MB). Peak memory consumption was 236.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:50:03,050 INFO L168 Benchmark]: CodeCheck took 228134.18 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 876.8 MB in the beginning and 3.8 GB in the end (delta: -2.9 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-11-18 18:50:03,051 INFO L168 Benchmark]: Witness Printer took 158.81 ms. Allocated memory is still 4.7 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:50:03,057 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, 228 locations, 1 error locations. SAFE Result, 214.6s OverallTime, 201 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1068470364 SDtfs, 1385546970 SDslu, 1123264920 SDs, 0 SdLazy, -1399687692 SolverSat, -1019120394 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1588.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275528 GetRequests, 270734 SyntacticMatches, 3084 SemanticMatches, 1710 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2232846 ImplicationChecksByTransitivity, 179.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 42816 NumberOfCodeBlocks, 42816 NumberOfCodeBlocksAsserted, 200 NumberOfCheckSat, 42616 ConstructedInterpolants, 0 QuantifiedInterpolants, 26592821 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 200 InterpolantComputations, 142 PerfectInterpolantSequences, 48749/49812 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: 514]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a11 == 1 || a25 == 1) || !(a28 == 9)) || !(a19 == 1)) || !(a17 == 7) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a11 == 1 || a25 == 1) || !(a28 == 9)) || !(a19 == 1)) || !(a17 == 7) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.19 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 920.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3234.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.8 MB in the end (delta: 236.6 MB). Peak memory consumption was 236.6 MB. Max. memory is 11.5 GB. * CodeCheck took 228134.18 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 876.8 MB in the beginning and 3.8 GB in the end (delta: -2.9 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 158.81 ms. Allocated memory is still 4.7 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...