./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label17_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_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/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 aac67f6dc6529e5dab098a5e1960c3e19b78df96 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:28:07,826 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:28:07,828 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:28:07,836 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:28:07,836 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:28:07,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:28:07,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:28:07,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:28:07,840 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:28:07,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:28:07,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:28:07,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:28:07,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:28:07,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:28:07,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:28:07,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:28:07,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:28:07,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:28:07,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:28:07,850 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:28:07,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:28:07,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:28:07,854 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:28:07,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:28:07,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:28:07,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:28:07,856 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:28:07,856 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:28:07,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:28:07,859 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:28:07,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:28:07,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:28:07,859 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:28:07,860 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:28:07,860 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:28:07,861 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:28:07,861 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:28:07,872 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:28:07,872 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:28:07,873 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:28:07,873 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:28:07,873 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:28:07,874 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:28:07,874 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:28:07,874 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:28:07,874 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:28:07,874 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:28:07,874 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:28:07,874 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:28:07,874 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:28:07,875 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:28:07,875 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:28:07,875 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:28:07,875 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:28:07,875 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:28:07,875 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:28:07,875 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:28:07,875 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:28:07,875 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:28:07,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:28:07,876 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:28:07,876 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:28:07,876 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:28:07,876 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:28:07,876 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:28:07,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:28:07,876 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_e111bf09-fe69-4a45-8257-ca2cb9034705/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 -> aac67f6dc6529e5dab098a5e1960c3e19b78df96 [2018-11-18 13:28:07,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:28:07,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:28:07,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:28:07,913 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:28:07,913 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:28:07,913 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c [2018-11-18 13:28:07,964 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/data/e257369f2/2991594db17749cda45a94e4fd89b779/FLAGfe089c53c [2018-11-18 13:28:08,374 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:28:08,377 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c [2018-11-18 13:28:08,387 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/data/e257369f2/2991594db17749cda45a94e4fd89b779/FLAGfe089c53c [2018-11-18 13:28:08,404 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/data/e257369f2/2991594db17749cda45a94e4fd89b779 [2018-11-18 13:28:08,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:28:08,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:28:08,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:28:08,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:28:08,415 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:28:08,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:08,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff47436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08, skipping insertion in model container [2018-11-18 13:28:08,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:08,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:28:08,466 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:28:08,771 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:28:08,775 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:28:08,847 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:28:08,859 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:28:08,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08 WrapperNode [2018-11-18 13:28:08,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:28:08,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:28:08,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:28:08,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:28:08,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:08,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:08,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:28:08,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:28:08,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:28:08,992 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:28:08,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:08,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:09,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:09,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:09,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:09,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:09,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08" (1/1) ... [2018-11-18 13:28:09,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:28:09,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:28:09,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:28:09,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:28:09,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/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 13:28:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:28:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:28:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:28:11,590 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:28:11,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:28:11 BoogieIcfgContainer [2018-11-18 13:28:11,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:28:11,592 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:28:11,592 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:28:11,603 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:28:11,603 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:28:11" (1/1) ... [2018-11-18 13:28:11,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:28:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 13:28:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 13:28:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 13:28:11,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:11,969 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 13:28:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 147 states and 234 transitions. [2018-11-18 13:28:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2018-11-18 13:28:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 13:28:12,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 212 states and 322 transitions. [2018-11-18 13:28:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 322 transitions. [2018-11-18 13:28:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 13:28:12,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:12,857 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 13:28:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 217 states and 330 transitions. [2018-11-18 13:28:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 330 transitions. [2018-11-18 13:28:12,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 13:28:12,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:13,070 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 288 states and 405 transitions. [2018-11-18 13:28:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 405 transitions. [2018-11-18 13:28:13,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 13:28:13,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:28:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 289 states and 406 transitions. [2018-11-18 13:28:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 406 transitions. [2018-11-18 13:28:13,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 13:28:13,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:28:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 302 states and 426 transitions. [2018-11-18 13:28:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 426 transitions. [2018-11-18 13:28:14,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 13:28:14,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:14,106 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 13:28:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 317 states and 444 transitions. [2018-11-18 13:28:14,456 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 444 transitions. [2018-11-18 13:28:14,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 13:28:14,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 327 states and 459 transitions. [2018-11-18 13:28:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 459 transitions. [2018-11-18 13:28:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 13:28:14,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 343 states and 481 transitions. [2018-11-18 13:28:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 481 transitions. [2018-11-18 13:28:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 13:28:15,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 350 states and 490 transitions. [2018-11-18 13:28:15,694 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 490 transitions. [2018-11-18 13:28:15,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 13:28:15,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:16,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 364 states and 508 transitions. [2018-11-18 13:28:16,011 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 508 transitions. [2018-11-18 13:28:16,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 13:28:16,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:16,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 372 states and 518 transitions. [2018-11-18 13:28:16,285 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 518 transitions. [2018-11-18 13:28:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 13:28:16,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:16,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 378 states and 527 transitions. [2018-11-18 13:28:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 527 transitions. [2018-11-18 13:28:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 13:28:16,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 396 states and 549 transitions. [2018-11-18 13:28:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 549 transitions. [2018-11-18 13:28:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 13:28:16,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:16,991 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 13:28:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 402 states and 556 transitions. [2018-11-18 13:28:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 556 transitions. [2018-11-18 13:28:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 13:28:17,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:28:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 413 states and 567 transitions. [2018-11-18 13:28:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 567 transitions. [2018-11-18 13:28:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 13:28:17,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:28:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 416 states and 569 transitions. [2018-11-18 13:28:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 569 transitions. [2018-11-18 13:28:17,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 13:28:17,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:17,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 427 states and 585 transitions. [2018-11-18 13:28:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 585 transitions. [2018-11-18 13:28:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 13:28:17,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:28:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 434 states and 595 transitions. [2018-11-18 13:28:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 595 transitions. [2018-11-18 13:28:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 13:28:18,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:28:18,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 435 states and 597 transitions. [2018-11-18 13:28:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 597 transitions. [2018-11-18 13:28:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 13:28:18,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:28:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 436 states and 599 transitions. [2018-11-18 13:28:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 599 transitions. [2018-11-18 13:28:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 13:28:18,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 443 states and 606 transitions. [2018-11-18 13:28:18,603 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 606 transitions. [2018-11-18 13:28:18,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 13:28:18,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:18,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 450 states and 614 transitions. [2018-11-18 13:28:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 614 transitions. [2018-11-18 13:28:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 13:28:18,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:19,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 464 states and 631 transitions. [2018-11-18 13:28:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 631 transitions. [2018-11-18 13:28:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 13:28:19,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:28:19,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:19,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 472 states and 641 transitions. [2018-11-18 13:28:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 641 transitions. [2018-11-18 13:28:19,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 13:28:19,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:28:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 480 states and 648 transitions. [2018-11-18 13:28:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 648 transitions. [2018-11-18 13:28:19,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 13:28:19,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:20,205 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 13:28:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 487 states and 658 transitions. [2018-11-18 13:28:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 658 transitions. [2018-11-18 13:28:20,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 13:28:20,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 492 states and 663 transitions. [2018-11-18 13:28:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 663 transitions. [2018-11-18 13:28:20,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 13:28:20,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 497 states and 668 transitions. [2018-11-18 13:28:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 668 transitions. [2018-11-18 13:28:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 13:28:20,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:20,991 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 13:28:21,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 517 states and 690 transitions. [2018-11-18 13:28:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 690 transitions. [2018-11-18 13:28:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:28:21,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:21,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 519 states and 692 transitions. [2018-11-18 13:28:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 692 transitions. [2018-11-18 13:28:21,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:28:21,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:21,825 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:21,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:21,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 521 states and 694 transitions. [2018-11-18 13:28:21,847 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 694 transitions. [2018-11-18 13:28:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 13:28:21,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:22,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:22,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 545 states and 722 transitions. [2018-11-18 13:28:22,520 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 722 transitions. [2018-11-18 13:28:22,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 13:28:22,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:22,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 551 states and 733 transitions. [2018-11-18 13:28:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 733 transitions. [2018-11-18 13:28:22,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 13:28:22,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:22,981 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:23,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:23,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 555 states and 738 transitions. [2018-11-18 13:28:23,009 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 738 transitions. [2018-11-18 13:28:23,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 13:28:23,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:23,040 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 568 states and 753 transitions. [2018-11-18 13:28:23,529 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 753 transitions. [2018-11-18 13:28:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 13:28:23,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:23,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:23,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 573 states and 762 transitions. [2018-11-18 13:28:23,819 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 762 transitions. [2018-11-18 13:28:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 13:28:23,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:23,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 579 states and 768 transitions. [2018-11-18 13:28:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 768 transitions. [2018-11-18 13:28:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 13:28:23,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:23,929 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:28:24,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:24,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 588 states and 777 transitions. [2018-11-18 13:28:24,136 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 777 transitions. [2018-11-18 13:28:24,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 13:28:24,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:28:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 591 states and 779 transitions. [2018-11-18 13:28:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 779 transitions. [2018-11-18 13:28:24,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 13:28:24,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:25,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:25,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 607 states and 809 transitions. [2018-11-18 13:28:25,227 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 809 transitions. [2018-11-18 13:28:25,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 13:28:25,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 618 states and 820 transitions. [2018-11-18 13:28:25,501 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 820 transitions. [2018-11-18 13:28:25,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 13:28:25,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:25,524 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 630 states and 832 transitions. [2018-11-18 13:28:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 832 transitions. [2018-11-18 13:28:25,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 13:28:25,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:25,608 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:25,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:25,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 642 states and 845 transitions. [2018-11-18 13:28:25,710 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 845 transitions. [2018-11-18 13:28:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 13:28:25,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:25,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 643 states and 846 transitions. [2018-11-18 13:28:25,750 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 846 transitions. [2018-11-18 13:28:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 13:28:25,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:28:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:25,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 644 states and 847 transitions. [2018-11-18 13:28:25,790 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 847 transitions. [2018-11-18 13:28:25,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 13:28:25,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:26,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 666 states and 883 transitions. [2018-11-18 13:28:26,755 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 883 transitions. [2018-11-18 13:28:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 13:28:26,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 670 states and 889 transitions. [2018-11-18 13:28:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 889 transitions. [2018-11-18 13:28:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 13:28:26,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:28:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 692 states and 922 transitions. [2018-11-18 13:28:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 922 transitions. [2018-11-18 13:28:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 13:28:27,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 13:28:28,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 698 states and 928 transitions. [2018-11-18 13:28:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 928 transitions. [2018-11-18 13:28:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 13:28:28,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:28:28,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 705 states and 936 transitions. [2018-11-18 13:28:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 936 transitions. [2018-11-18 13:28:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 13:28:28,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:29,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:29,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 776 states and 1010 transitions. [2018-11-18 13:28:29,073 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1010 transitions. [2018-11-18 13:28:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 13:28:29,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:28:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 785 states and 1021 transitions. [2018-11-18 13:28:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1021 transitions. [2018-11-18 13:28:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 13:28:29,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 13:28:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 787 states and 1022 transitions. [2018-11-18 13:28:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1022 transitions. [2018-11-18 13:28:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 13:28:29,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:28:29,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 792 states and 1027 transitions. [2018-11-18 13:28:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1027 transitions. [2018-11-18 13:28:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 13:28:29,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:28:29,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:29,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 794 states and 1029 transitions. [2018-11-18 13:28:29,850 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1029 transitions. [2018-11-18 13:28:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 13:28:29,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 73 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:28:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 815 states and 1050 transitions. [2018-11-18 13:28:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1050 transitions. [2018-11-18 13:28:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 13:28:30,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 73 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:28:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 824 states and 1057 transitions. [2018-11-18 13:28:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1057 transitions. [2018-11-18 13:28:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 13:28:30,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:28:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:31,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 843 states and 1080 transitions. [2018-11-18 13:28:31,077 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1080 transitions. [2018-11-18 13:28:31,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 13:28:31,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:31,100 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:28:31,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 850 states and 1087 transitions. [2018-11-18 13:28:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1087 transitions. [2018-11-18 13:28:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 13:28:31,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:28:31,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:31,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 857 states and 1094 transitions. [2018-11-18 13:28:31,174 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1094 transitions. [2018-11-18 13:28:31,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 13:28:31,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:28:32,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:32,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 907 states and 1149 transitions. [2018-11-18 13:28:32,034 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1149 transitions. [2018-11-18 13:28:32,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 13:28:32,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:32,058 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:28:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 951 states and 1197 transitions. [2018-11-18 13:28:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1197 transitions. [2018-11-18 13:28:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 13:28:33,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:28:34,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1022 states and 1276 transitions. [2018-11-18 13:28:34,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1276 transitions. [2018-11-18 13:28:34,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 13:28:34,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:28:35,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1087 states and 1344 transitions. [2018-11-18 13:28:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1344 transitions. [2018-11-18 13:28:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 13:28:35,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:36,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:36,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1123 states and 1385 transitions. [2018-11-18 13:28:36,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1385 transitions. [2018-11-18 13:28:36,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 13:28:36,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1143 states and 1406 transitions. [2018-11-18 13:28:36,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1406 transitions. [2018-11-18 13:28:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 13:28:36,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 13:28:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1154 states and 1417 transitions. [2018-11-18 13:28:36,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1417 transitions. [2018-11-18 13:28:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 13:28:36,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:36,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:36,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1163 states and 1425 transitions. [2018-11-18 13:28:36,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1425 transitions. [2018-11-18 13:28:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 13:28:36,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1164 states and 1425 transitions. [2018-11-18 13:28:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1425 transitions. [2018-11-18 13:28:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 13:28:37,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:28:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1168 states and 1428 transitions. [2018-11-18 13:28:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1428 transitions. [2018-11-18 13:28:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 13:28:37,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 13:28:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:37,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1183 states and 1445 transitions. [2018-11-18 13:28:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1445 transitions. [2018-11-18 13:28:37,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 13:28:37,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 13:28:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1184 states and 1446 transitions. [2018-11-18 13:28:37,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1446 transitions. [2018-11-18 13:28:37,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 13:28:37,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:28:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1225 states and 1491 transitions. [2018-11-18 13:28:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1491 transitions. [2018-11-18 13:28:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 13:28:41,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:28:41,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:41,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1239 states and 1504 transitions. [2018-11-18 13:28:41,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1504 transitions. [2018-11-18 13:28:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 13:28:41,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 13:28:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1250 states and 1516 transitions. [2018-11-18 13:28:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1516 transitions. [2018-11-18 13:28:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 13:28:41,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 13:28:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1261 states and 1528 transitions. [2018-11-18 13:28:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1528 transitions. [2018-11-18 13:28:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 13:28:41,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:28:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1302 states and 1575 transitions. [2018-11-18 13:28:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1575 transitions. [2018-11-18 13:28:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 13:28:42,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 13:28:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1303 states and 1576 transitions. [2018-11-18 13:28:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1576 transitions. [2018-11-18 13:28:42,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 13:28:42,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:42,793 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 13:28:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1304 states and 1577 transitions. [2018-11-18 13:28:42,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1577 transitions. [2018-11-18 13:28:42,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 13:28:42,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 13:28:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1314 states and 1595 transitions. [2018-11-18 13:28:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1595 transitions. [2018-11-18 13:28:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 13:28:43,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 13:28:45,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1380 states and 1671 transitions. [2018-11-18 13:28:45,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1671 transitions. [2018-11-18 13:28:45,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 13:28:45,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 13:28:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:46,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1395 states and 1692 transitions. [2018-11-18 13:28:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1692 transitions. [2018-11-18 13:28:46,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 13:28:46,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 13:28:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1425 states and 1726 transitions. [2018-11-18 13:28:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1726 transitions. [2018-11-18 13:28:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 13:28:47,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 13:28:48,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1442 states and 1742 transitions. [2018-11-18 13:28:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1742 transitions. [2018-11-18 13:28:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 13:28:48,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:28:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1448 states and 1759 transitions. [2018-11-18 13:28:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1759 transitions. [2018-11-18 13:28:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 13:28:48,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:48,651 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:28:48,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:48,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1449 states and 1761 transitions. [2018-11-18 13:28:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1761 transitions. [2018-11-18 13:28:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 13:28:48,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 13:28:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1453 states and 1768 transitions. [2018-11-18 13:28:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1768 transitions. [2018-11-18 13:28:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:28:49,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 13:28:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1477 states and 1806 transitions. [2018-11-18 13:28:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1806 transitions. [2018-11-18 13:28:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:28:50,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:50,243 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 13:28:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1493 states and 1821 transitions. [2018-11-18 13:28:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1821 transitions. [2018-11-18 13:28:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:28:50,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 13:28:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1501 states and 1830 transitions. [2018-11-18 13:28:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1830 transitions. [2018-11-18 13:28:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:28:50,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 13:28:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1509 states and 1839 transitions. [2018-11-18 13:28:51,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1839 transitions. [2018-11-18 13:28:51,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:28:51,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 13:28:51,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:51,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1515 states and 1848 transitions. [2018-11-18 13:28:51,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1848 transitions. [2018-11-18 13:28:51,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:28:51,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 13:28:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1523 states and 1855 transitions. [2018-11-18 13:28:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1855 transitions. [2018-11-18 13:28:52,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:28:52,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 13:28:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1529 states and 1862 transitions. [2018-11-18 13:28:52,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1862 transitions. [2018-11-18 13:28:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:28:52,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 13:28:53,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1535 states and 1872 transitions. [2018-11-18 13:28:53,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1872 transitions. [2018-11-18 13:28:53,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 13:28:53,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:28:54,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:54,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1591 states and 1934 transitions. [2018-11-18 13:28:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 1934 transitions. [2018-11-18 13:28:54,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 13:28:54,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:28:55,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:55,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1599 states and 1944 transitions. [2018-11-18 13:28:55,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1944 transitions. [2018-11-18 13:28:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 13:28:55,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:28:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1612 states and 1957 transitions. [2018-11-18 13:28:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1957 transitions. [2018-11-18 13:28:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 13:28:55,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 13:28:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1632 states and 1976 transitions. [2018-11-18 13:28:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1976 transitions. [2018-11-18 13:28:55,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:28:55,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:55,942 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 13:28:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1665 states and 2017 transitions. [2018-11-18 13:28:56,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2017 transitions. [2018-11-18 13:28:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:28:56,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 13:28:57,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:57,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1675 states and 2028 transitions. [2018-11-18 13:28:57,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2028 transitions. [2018-11-18 13:28:57,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:28:57,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 13:28:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 1681 states and 2033 transitions. [2018-11-18 13:28:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2033 transitions. [2018-11-18 13:28:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:28:57,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 13:28:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1685 states and 2036 transitions. [2018-11-18 13:28:57,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2036 transitions. [2018-11-18 13:28:57,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:28:57,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 13:28:58,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:58,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1689 states and 2039 transitions. [2018-11-18 13:28:58,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2039 transitions. [2018-11-18 13:28:58,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:28:58,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 13:28:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:28:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1715 states and 2072 transitions. [2018-11-18 13:28:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2072 transitions. [2018-11-18 13:28:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:28:59,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:28:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 13:29:00,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:00,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 1746 states and 2114 transitions. [2018-11-18 13:29:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2114 transitions. [2018-11-18 13:29:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:29:00,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 13:29:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 1753 states and 2122 transitions. [2018-11-18 13:29:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2122 transitions. [2018-11-18 13:29:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:29:01,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 13:29:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1774 states and 2156 transitions. [2018-11-18 13:29:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2156 transitions. [2018-11-18 13:29:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:29:02,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 13:29:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1775 states and 2161 transitions. [2018-11-18 13:29:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2161 transitions. [2018-11-18 13:29:02,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:29:02,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 13:29:03,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1786 states and 2173 transitions. [2018-11-18 13:29:03,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2173 transitions. [2018-11-18 13:29:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:29:03,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 13:29:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:04,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1789 states and 2177 transitions. [2018-11-18 13:29:04,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2177 transitions. [2018-11-18 13:29:04,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:29:04,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:04,395 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 13:29:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:04,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1791 states and 2179 transitions. [2018-11-18 13:29:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2179 transitions. [2018-11-18 13:29:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:29:04,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 13:29:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1792 states and 2179 transitions. [2018-11-18 13:29:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2179 transitions. [2018-11-18 13:29:05,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 13:29:05,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 13:29:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1793 states and 2179 transitions. [2018-11-18 13:29:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2179 transitions. [2018-11-18 13:29:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 13:29:05,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 244 proven. 27 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-18 13:29:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1805 states and 2198 transitions. [2018-11-18 13:29:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2198 transitions. [2018-11-18 13:29:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 13:29:07,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 13:29:08,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:08,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1810 states and 2205 transitions. [2018-11-18 13:29:08,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2205 transitions. [2018-11-18 13:29:08,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 13:29:08,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 13:29:10,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1874 states and 2272 transitions. [2018-11-18 13:29:10,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2272 transitions. [2018-11-18 13:29:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 13:29:10,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 13:29:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 1918 states and 2317 transitions. [2018-11-18 13:29:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2317 transitions. [2018-11-18 13:29:11,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 13:29:11,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 13:29:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 1926 states and 2325 transitions. [2018-11-18 13:29:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2325 transitions. [2018-11-18 13:29:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 13:29:11,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 13:29:12,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 1934 states and 2333 transitions. [2018-11-18 13:29:12,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2333 transitions. [2018-11-18 13:29:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 13:29:12,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 13:29:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1940 states and 2341 transitions. [2018-11-18 13:29:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2341 transitions. [2018-11-18 13:29:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 13:29:12,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 13:29:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:13,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1946 states and 2349 transitions. [2018-11-18 13:29:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2349 transitions. [2018-11-18 13:29:13,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 13:29:13,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 13:29:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 1956 states and 2362 transitions. [2018-11-18 13:29:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2362 transitions. [2018-11-18 13:29:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 13:29:14,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:14,644 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 13:29:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1966 states and 2377 transitions. [2018-11-18 13:29:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2377 transitions. [2018-11-18 13:29:15,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 13:29:15,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:15,560 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 13:29:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:15,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1970 states and 2381 transitions. [2018-11-18 13:29:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2381 transitions. [2018-11-18 13:29:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 13:29:15,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-11-18 13:29:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 1975 states and 2385 transitions. [2018-11-18 13:29:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2385 transitions. [2018-11-18 13:29:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 13:29:16,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-11-18 13:29:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 1994 states and 2407 transitions. [2018-11-18 13:29:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2407 transitions. [2018-11-18 13:29:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 13:29:17,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-11-18 13:29:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2000 states and 2416 transitions. [2018-11-18 13:29:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2416 transitions. [2018-11-18 13:29:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 13:29:17,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-11-18 13:29:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:18,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2007 states and 2422 transitions. [2018-11-18 13:29:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2422 transitions. [2018-11-18 13:29:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 13:29:18,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-11-18 13:29:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:18,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2016 states and 2430 transitions. [2018-11-18 13:29:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2430 transitions. [2018-11-18 13:29:18,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 13:29:18,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 13:29:19,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2026 states and 2444 transitions. [2018-11-18 13:29:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2444 transitions. [2018-11-18 13:29:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 13:29:19,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 13:29:19,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:19,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2027 states and 2444 transitions. [2018-11-18 13:29:19,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2444 transitions. [2018-11-18 13:29:19,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 13:29:19,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 13:29:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2028 states and 2445 transitions. [2018-11-18 13:29:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2445 transitions. [2018-11-18 13:29:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 13:29:19,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 13:29:21,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2092 states and 2518 transitions. [2018-11-18 13:29:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2518 transitions. [2018-11-18 13:29:21,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 13:29:21,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 13:29:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2154 states and 2584 transitions. [2018-11-18 13:29:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2584 transitions. [2018-11-18 13:29:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 13:29:23,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 13:29:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2160 states and 2593 transitions. [2018-11-18 13:29:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2593 transitions. [2018-11-18 13:29:24,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 13:29:24,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 13:29:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2165 states and 2599 transitions. [2018-11-18 13:29:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2599 transitions. [2018-11-18 13:29:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 13:29:24,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-18 13:29:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:24,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2177 states and 2611 transitions. [2018-11-18 13:29:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2611 transitions. [2018-11-18 13:29:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 13:29:24,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-18 13:29:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:25,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2182 states and 2617 transitions. [2018-11-18 13:29:25,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2617 transitions. [2018-11-18 13:29:25,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 13:29:25,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-18 13:29:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2197 states and 2631 transitions. [2018-11-18 13:29:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2631 transitions. [2018-11-18 13:29:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 13:29:26,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-18 13:29:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2199 states and 2632 transitions. [2018-11-18 13:29:26,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2632 transitions. [2018-11-18 13:29:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 13:29:26,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-18 13:29:28,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:28,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2209 states and 2647 transitions. [2018-11-18 13:29:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2647 transitions. [2018-11-18 13:29:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 13:29:28,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-11-18 13:29:29,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:29,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2228 states and 2669 transitions. [2018-11-18 13:29:29,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2669 transitions. [2018-11-18 13:29:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 13:29:29,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-18 13:29:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2294 states and 2737 transitions. [2018-11-18 13:29:30,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2737 transitions. [2018-11-18 13:29:30,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 13:29:30,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-18 13:29:32,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:32,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2354 states and 2796 transitions. [2018-11-18 13:29:32,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2796 transitions. [2018-11-18 13:29:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 13:29:32,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-18 13:29:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2378 states and 2824 transitions. [2018-11-18 13:29:33,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 2824 transitions. [2018-11-18 13:29:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 13:29:33,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-18 13:29:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:33,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2383 states and 2830 transitions. [2018-11-18 13:29:33,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2830 transitions. [2018-11-18 13:29:33,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 13:29:33,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 13:29:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2410 states and 2860 transitions. [2018-11-18 13:29:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2860 transitions. [2018-11-18 13:29:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 13:29:34,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 13:29:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2416 states and 2866 transitions. [2018-11-18 13:29:35,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 2866 transitions. [2018-11-18 13:29:35,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 13:29:35,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 13:29:35,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:35,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2417 states and 2867 transitions. [2018-11-18 13:29:35,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2867 transitions. [2018-11-18 13:29:35,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 13:29:35,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 13:29:36,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2422 states and 2872 transitions. [2018-11-18 13:29:36,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2872 transitions. [2018-11-18 13:29:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 13:29:36,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-18 13:29:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:37,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2428 states and 2882 transitions. [2018-11-18 13:29:37,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 2882 transitions. [2018-11-18 13:29:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 13:29:37,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-18 13:29:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2440 states and 2897 transitions. [2018-11-18 13:29:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 2897 transitions. [2018-11-18 13:29:39,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 13:29:39,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:39,196 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-18 13:29:40,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:40,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2450 states and 2908 transitions. [2018-11-18 13:29:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 2908 transitions. [2018-11-18 13:29:40,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 13:29:40,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-18 13:29:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2463 states and 2920 transitions. [2018-11-18 13:29:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2920 transitions. [2018-11-18 13:29:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-18 13:29:41,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:41,531 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-11-18 13:29:43,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:43,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2516 states and 2984 transitions. [2018-11-18 13:29:43,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2984 transitions. [2018-11-18 13:29:43,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-18 13:29:43,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 363 proven. 20 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 13:29:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 2530 states and 3005 transitions. [2018-11-18 13:29:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 3005 transitions. [2018-11-18 13:29:48,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-18 13:29:48,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 13:29:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 2632 states and 3115 transitions. [2018-11-18 13:29:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 3115 transitions. [2018-11-18 13:29:56,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-18 13:29:56,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:56,847 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 13:29:57,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:29:57,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 2639 states and 3121 transitions. [2018-11-18 13:29:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 3121 transitions. [2018-11-18 13:29:57,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 13:29:57,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:29:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 387 proven. 21 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 13:30:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 2666 states and 3154 transitions. [2018-11-18 13:30:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3154 transitions. [2018-11-18 13:30:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:30:01,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 364 proven. 34 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 13:30:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 2671 states and 3160 transitions. [2018-11-18 13:30:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3160 transitions. [2018-11-18 13:30:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:30:03,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 13:30:03,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 2672 states and 3160 transitions. [2018-11-18 13:30:03,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3160 transitions. [2018-11-18 13:30:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:30:03,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 13:30:03,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 2673 states and 3161 transitions. [2018-11-18 13:30:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3161 transitions. [2018-11-18 13:30:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:30:03,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:03,751 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 13:30:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 2737 states and 3224 transitions. [2018-11-18 13:30:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3224 transitions. [2018-11-18 13:30:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 13:30:04,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 13:30:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3243 states to 2757 states and 3243 transitions. [2018-11-18 13:30:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3243 transitions. [2018-11-18 13:30:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 13:30:04,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 13:30:04,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:04,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2764 states and 3250 transitions. [2018-11-18 13:30:04,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3250 transitions. [2018-11-18 13:30:04,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 13:30:04,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:06,480 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 396 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 13:30:16,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 2899 states and 3428 transitions. [2018-11-18 13:30:16,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3428 transitions. [2018-11-18 13:30:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 13:30:16,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 396 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 13:30:19,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 2951 states and 3487 transitions. [2018-11-18 13:30:19,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3487 transitions. [2018-11-18 13:30:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 13:30:19,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-11-18 13:30:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:19,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 2956 states and 3492 transitions. [2018-11-18 13:30:19,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 3492 transitions. [2018-11-18 13:30:19,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 13:30:19,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-11-18 13:30:20,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 2961 states and 3497 transitions. [2018-11-18 13:30:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 3497 transitions. [2018-11-18 13:30:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 13:30:20,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 13:30:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:21,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 2971 states and 3506 transitions. [2018-11-18 13:30:21,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3506 transitions. [2018-11-18 13:30:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 13:30:21,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 13:30:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 2997 states and 3537 transitions. [2018-11-18 13:30:25,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 3537 transitions. [2018-11-18 13:30:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 13:30:25,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 13:30:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 3002 states and 3543 transitions. [2018-11-18 13:30:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 3543 transitions. [2018-11-18 13:30:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 13:30:26,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-11-18 13:30:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:27,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3007 states and 3548 transitions. [2018-11-18 13:30:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3007 states and 3548 transitions. [2018-11-18 13:30:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-11-18 13:30:27,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-11-18 13:30:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3078 states and 3623 transitions. [2018-11-18 13:30:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 3623 transitions. [2018-11-18 13:30:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 13:30:28,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 13:30:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3100 states and 3654 transitions. [2018-11-18 13:30:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3100 states and 3654 transitions. [2018-11-18 13:30:30,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 13:30:30,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:30,976 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 13:30:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3103 states and 3659 transitions. [2018-11-18 13:30:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 3659 transitions. [2018-11-18 13:30:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 13:30:31,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:34,348 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 13:30:39,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:39,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3134 states and 3694 transitions. [2018-11-18 13:30:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3694 transitions. [2018-11-18 13:30:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 13:30:39,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2018-11-18 13:30:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:39,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3155 states and 3714 transitions. [2018-11-18 13:30:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 3714 transitions. [2018-11-18 13:30:39,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-11-18 13:30:39,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 422 proven. 15 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-11-18 13:30:42,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3249 states and 3812 transitions. [2018-11-18 13:30:42,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 3812 transitions. [2018-11-18 13:30:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-11-18 13:30:42,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:42,594 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 434 proven. 5 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2018-11-18 13:30:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 3312 states and 3877 transitions. [2018-11-18 13:30:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 3877 transitions. [2018-11-18 13:30:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-11-18 13:30:44,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 434 proven. 5 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2018-11-18 13:30:44,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:44,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3348 states and 3912 transitions. [2018-11-18 13:30:44,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 3912 transitions. [2018-11-18 13:30:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-11-18 13:30:44,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:30:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:44,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 651 proven. 10 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2018-11-18 13:30:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:30:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3165 states and 3723 transitions. [2018-11-18 13:30:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3165 states and 3723 transitions. [2018-11-18 13:30:45,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:30:45,310 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 185 iterations. [2018-11-18 13:30:45,316 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:30:45,425 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 18 [2018-11-18 13:30:45,686 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2018-11-18 13:30:45,868 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-18 13:30:46,015 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-18 13:30:46,173 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2018-11-18 13:30:46,359 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2018-11-18 13:30:46,537 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2018-11-18 13:30:46,792 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2018-11-18 13:30:46,893 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-11-18 13:30:47,031 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2018-11-18 13:30:47,282 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2018-11-18 13:30:47,476 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 38 [2018-11-18 13:30:47,686 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-11-18 13:30:47,954 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-11-18 13:30:48,136 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-18 13:30:48,242 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 18 [2018-11-18 13:30:49,001 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2018-11-18 13:30:49,297 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 18 [2018-11-18 13:30:49,482 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2018-11-18 13:30:49,823 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 18 [2018-11-18 13:30:49,981 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 18 [2018-11-18 13:30:50,088 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 18 [2018-11-18 13:30:50,358 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2018-11-18 13:30:50,459 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-11-18 13:30:50,756 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 18 [2018-11-18 13:30:51,088 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 38 [2018-11-18 13:30:51,259 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2018-11-18 13:30:51,684 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-11-18 13:30:51,839 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-18 13:30:51,942 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-18 13:30:52,179 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 18 [2018-11-18 13:30:52,179 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:30:52,181 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 13:30:52,185 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 13:30:52,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:30:52 ImpRootNode [2018-11-18 13:30:52,186 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:30:52,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:30:52,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:30:52,187 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:30:52,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:28:11" (3/4) ... [2018-11-18 13:30:52,190 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:30:52,203 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2018-11-18 13:30:52,204 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-18 13:30:52,205 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 13:30:52,205 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 13:30:52,285 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e111bf09-fe69-4a45-8257-ca2cb9034705/bin-2019/ukojak/witness.graphml [2018-11-18 13:30:52,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:30:52,286 INFO L168 Benchmark]: Toolchain (without parser) took 163874.79 ms. Allocated memory was 1.0 GB in the beginning and 4.4 GB in the end (delta: 3.4 GB). Free memory was 958.0 MB in the beginning and 2.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 13:30:52,286 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:30:52,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.04 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 923.1 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:52,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 923.1 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:52,287 INFO L168 Benchmark]: Boogie Preprocessor took 46.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:52,287 INFO L168 Benchmark]: RCFGBuilder took 2552.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 859.3 MB in the end (delta: 232.4 MB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:52,287 INFO L168 Benchmark]: CodeCheck took 160594.29 ms. Allocated memory was 1.1 GB in the beginning and 4.4 GB in the end (delta: 3.3 GB). Free memory was 859.3 MB in the beginning and 2.7 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-11-18 13:30:52,288 INFO L168 Benchmark]: Witness Printer took 98.79 ms. Allocated memory is still 4.4 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:30:52,289 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 153.6s OverallTime, 185 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 563724084 SDtfs, -326559160 SDslu, 667810080 SDs, 0 SdLazy, -1515159356 SolverSat, 1438212048 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 724.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 233465 GetRequests, 229685 SyntacticMatches, 2104 SemanticMatches, 1676 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1853974 ImplicationChecksByTransitivity, 130.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 17.4s InterpolantComputationTime, 34916 NumberOfCodeBlocks, 34916 NumberOfCodeBlocksAsserted, 184 NumberOfCheckSat, 34732 ConstructedInterpolants, 0 QuantifiedInterpolants, 23137453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 184 InterpolantComputations, 149 PerfectInterpolantSequences, 41069/42255 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: 524]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a8 == 14) || !(a17 == 1)) || a16 == 5) || !(a7 == 1)) || !(a21 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a8 == 14) || !(a17 == 1)) || a16 == 5) || !(a7 == 1)) || !(a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 448.04 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 923.1 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 130.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 923.1 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2552.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 859.3 MB in the end (delta: 232.4 MB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. * CodeCheck took 160594.29 ms. Allocated memory was 1.1 GB in the beginning and 4.4 GB in the end (delta: 3.3 GB). Free memory was 859.3 MB in the beginning and 2.7 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. * Witness Printer took 98.79 ms. Allocated memory is still 4.4 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...