./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label56_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label56_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/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 ba14f37e794170b10f4bcc13681acbd0ae9fe016 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:53:38,879 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:53:38,880 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:53:38,886 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:53:38,886 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:53:38,887 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:53:38,888 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:53:38,888 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:53:38,889 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:53:38,890 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:53:38,890 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:53:38,890 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:53:38,891 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:53:38,891 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:53:38,892 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:53:38,892 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:53:38,892 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:53:38,893 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:53:38,894 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:53:38,895 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:53:38,896 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:53:38,896 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:53:38,897 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:53:38,897 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:53:38,897 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:53:38,898 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:53:38,898 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:53:38,899 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:53:38,899 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:53:38,900 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:53:38,900 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:53:38,900 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:53:38,900 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:53:38,900 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:53:38,901 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:53:38,901 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:53:38,901 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 15:53:38,908 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:53:38,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:53:38,909 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:53:38,909 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 15:53:38,909 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:53:38,909 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:53:38,910 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:53:38,910 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:53:38,910 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 15:53:38,911 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 15:53:38,911 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:53:38,911 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:53:38,911 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:53:38,911 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:53:38,911 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:53:38,911 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:53:38,911 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 15:53:38,911 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:53:38,911 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:53:38,911 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_3f260d42-b487-4323-8450-95d8e5ff8769/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 -> ba14f37e794170b10f4bcc13681acbd0ae9fe016 [2018-12-09 15:53:38,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:53:38,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:53:38,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:53:38,942 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:53:38,942 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:53:38,943 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label56_true-unreach-call_false-termination.c [2018-12-09 15:53:38,977 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/data/03b990432/098231f562b144cab50ac57ae294d6ce/FLAGac52af642 [2018-12-09 15:53:39,429 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:53:39,429 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/sv-benchmarks/c/eca-rers2012/Problem02_label56_true-unreach-call_false-termination.c [2018-12-09 15:53:39,436 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/data/03b990432/098231f562b144cab50ac57ae294d6ce/FLAGac52af642 [2018-12-09 15:53:39,444 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/data/03b990432/098231f562b144cab50ac57ae294d6ce [2018-12-09 15:53:39,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:53:39,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:53:39,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:53:39,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:53:39,449 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:53:39,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b3bd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39, skipping insertion in model container [2018-12-09 15:53:39,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:53:39,484 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:53:39,666 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:53:39,669 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:53:39,770 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:53:39,782 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:53:39,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39 WrapperNode [2018-12-09 15:53:39,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:53:39,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:53:39,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:53:39,783 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:53:39,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:53:39,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:53:39,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:53:39,833 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:53:39,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39" (1/1) ... [2018-12-09 15:53:39,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:53:39,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:53:39,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:53:39,869 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:53:39,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:53:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:53:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:53:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:53:40,898 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:53:40,899 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 15:53:40,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:40 BoogieIcfgContainer [2018-12-09 15:53:40,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:53:40,899 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 15:53:40,900 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 15:53:40,907 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 15:53:40,907 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:40" (1/1) ... [2018-12-09 15:53:40,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:53:40,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 15:53:40,939 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 15:53:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 15:53:40,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:41,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-09 15:53:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-09 15:53:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 15:53:41,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:41,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 15:53:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 246 states and 341 transitions. [2018-12-09 15:53:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 341 transitions. [2018-12-09 15:53:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 15:53:41,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 251 states and 346 transitions. [2018-12-09 15:53:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 346 transitions. [2018-12-09 15:53:42,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 15:53:42,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:42,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 256 states and 351 transitions. [2018-12-09 15:53:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 351 transitions. [2018-12-09 15:53:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 15:53:42,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:42,107 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:42,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 274 states and 373 transitions. [2018-12-09 15:53:42,291 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 373 transitions. [2018-12-09 15:53:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 15:53:42,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:42,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 292 states and 399 transitions. [2018-12-09 15:53:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 399 transitions. [2018-12-09 15:53:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 15:53:42,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:42,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:42,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 296 states and 406 transitions. [2018-12-09 15:53:42,737 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 406 transitions. [2018-12-09 15:53:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 15:53:42,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 314 states and 426 transitions. [2018-12-09 15:53:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 426 transitions. [2018-12-09 15:53:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 15:53:42,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 15:53:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 318 states and 432 transitions. [2018-12-09 15:53:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 432 transitions. [2018-12-09 15:53:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 15:53:43,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:53:43,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 397 states and 516 transitions. [2018-12-09 15:53:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 516 transitions. [2018-12-09 15:53:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 15:53:43,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 398 states and 518 transitions. [2018-12-09 15:53:43,905 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 518 transitions. [2018-12-09 15:53:43,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 15:53:43,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:44,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:44,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 415 states and 535 transitions. [2018-12-09 15:53:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 535 transitions. [2018-12-09 15:53:44,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 15:53:44,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 439 states and 564 transitions. [2018-12-09 15:53:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 564 transitions. [2018-12-09 15:53:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 15:53:44,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:53:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 443 states and 570 transitions. [2018-12-09 15:53:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 570 transitions. [2018-12-09 15:53:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 15:53:44,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:45,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:45,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 449 states and 577 transitions. [2018-12-09 15:53:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 577 transitions. [2018-12-09 15:53:45,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 15:53:45,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:45,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:45,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 462 states and 593 transitions. [2018-12-09 15:53:45,655 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 593 transitions. [2018-12-09 15:53:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 15:53:45,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 465 states and 596 transitions. [2018-12-09 15:53:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 596 transitions. [2018-12-09 15:53:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 15:53:45,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:53:46,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:46,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 474 states and 608 transitions. [2018-12-09 15:53:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 608 transitions. [2018-12-09 15:53:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 15:53:46,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:46,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 485 states and 620 transitions. [2018-12-09 15:53:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 620 transitions. [2018-12-09 15:53:46,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 15:53:46,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:47,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 525 states and 671 transitions. [2018-12-09 15:53:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 671 transitions. [2018-12-09 15:53:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 15:53:47,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:53:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:47,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 532 states and 679 transitions. [2018-12-09 15:53:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 679 transitions. [2018-12-09 15:53:47,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 15:53:47,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:53:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 537 states and 685 transitions. [2018-12-09 15:53:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 685 transitions. [2018-12-09 15:53:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 15:53:47,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:53:48,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:48,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 545 states and 697 transitions. [2018-12-09 15:53:48,141 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 697 transitions. [2018-12-09 15:53:48,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 15:53:48,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:53:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 550 states and 702 transitions. [2018-12-09 15:53:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 702 transitions. [2018-12-09 15:53:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 15:53:48,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:53:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:48,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 556 states and 710 transitions. [2018-12-09 15:53:48,404 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 710 transitions. [2018-12-09 15:53:48,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 15:53:48,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 15:53:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:48,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 557 states and 711 transitions. [2018-12-09 15:53:48,430 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 711 transitions. [2018-12-09 15:53:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 15:53:48,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:53:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 562 states and 715 transitions. [2018-12-09 15:53:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 715 transitions. [2018-12-09 15:53:48,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 15:53:48,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 15:53:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 606 states and 775 transitions. [2018-12-09 15:53:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 775 transitions. [2018-12-09 15:53:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 15:53:49,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 15:53:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 624 states and 794 transitions. [2018-12-09 15:53:49,974 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 794 transitions. [2018-12-09 15:53:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 15:53:49,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:53:50,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:50,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 625 states and 795 transitions. [2018-12-09 15:53:50,115 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 795 transitions. [2018-12-09 15:53:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 15:53:50,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 667 states and 839 transitions. [2018-12-09 15:53:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 839 transitions. [2018-12-09 15:53:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 15:53:50,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:51,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 685 states and 861 transitions. [2018-12-09 15:53:51,243 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 861 transitions. [2018-12-09 15:53:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 15:53:51,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 15:53:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 704 states and 884 transitions. [2018-12-09 15:53:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 884 transitions. [2018-12-09 15:53:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 15:53:52,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 15:53:52,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:52,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 705 states and 885 transitions. [2018-12-09 15:53:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 885 transitions. [2018-12-09 15:53:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 15:53:52,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:52,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 741 states and 924 transitions. [2018-12-09 15:53:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 924 transitions. [2018-12-09 15:53:52,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 15:53:52,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:52,589 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:53:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:53,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 760 states and 945 transitions. [2018-12-09 15:53:53,114 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 945 transitions. [2018-12-09 15:53:53,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 15:53:53,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 15:53:53,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:53,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 767 states and 952 transitions. [2018-12-09 15:53:53,266 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 952 transitions. [2018-12-09 15:53:53,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 15:53:53,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 15:53:53,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:53,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 784 states and 970 transitions. [2018-12-09 15:53:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 970 transitions. [2018-12-09 15:53:53,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 15:53:53,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 15:53:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 796 states and 982 transitions. [2018-12-09 15:53:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 982 transitions. [2018-12-09 15:53:53,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 15:53:53,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:54,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 809 states and 995 transitions. [2018-12-09 15:53:54,256 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 995 transitions. [2018-12-09 15:53:54,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 15:53:54,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 15:53:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 811 states and 997 transitions. [2018-12-09 15:53:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 997 transitions. [2018-12-09 15:53:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 15:53:54,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:54,399 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:54,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 827 states and 1014 transitions. [2018-12-09 15:53:54,819 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1014 transitions. [2018-12-09 15:53:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 15:53:54,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 833 states and 1020 transitions. [2018-12-09 15:53:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1020 transitions. [2018-12-09 15:53:54,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 15:53:54,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:54,888 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 15:53:54,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:54,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 840 states and 1027 transitions. [2018-12-09 15:53:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1027 transitions. [2018-12-09 15:53:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 15:53:54,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:55,207 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:57,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:57,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 851 states and 1043 transitions. [2018-12-09 15:53:57,475 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1043 transitions. [2018-12-09 15:53:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 15:53:57,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 15:53:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 863 states and 1054 transitions. [2018-12-09 15:53:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1054 transitions. [2018-12-09 15:53:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 15:53:57,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:53:59,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:53:59,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 900 states and 1094 transitions. [2018-12-09 15:53:59,579 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1094 transitions. [2018-12-09 15:53:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 15:53:59,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:53:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:53:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 99 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 15:54:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 906 states and 1104 transitions. [2018-12-09 15:54:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1104 transitions. [2018-12-09 15:54:00,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 15:54:00,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 99 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 15:54:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:00,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 911 states and 1108 transitions. [2018-12-09 15:54:00,269 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1108 transitions. [2018-12-09 15:54:00,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 15:54:00,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 15:54:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:00,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 939 states and 1146 transitions. [2018-12-09 15:54:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1146 transitions. [2018-12-09 15:54:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-09 15:54:00,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 15:54:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 957 states and 1170 transitions. [2018-12-09 15:54:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1170 transitions. [2018-12-09 15:54:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 15:54:01,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 15:54:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1015 states and 1229 transitions. [2018-12-09 15:54:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1229 transitions. [2018-12-09 15:54:05,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 15:54:05,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 15:54:06,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1107 states and 1325 transitions. [2018-12-09 15:54:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1325 transitions. [2018-12-09 15:54:06,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 15:54:06,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 15:54:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1178 states and 1395 transitions. [2018-12-09 15:54:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1395 transitions. [2018-12-09 15:54:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 15:54:10,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 124 proven. 5 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:54:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1212 states and 1438 transitions. [2018-12-09 15:54:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1438 transitions. [2018-12-09 15:54:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 15:54:11,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 124 proven. 5 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:54:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1224 states and 1449 transitions. [2018-12-09 15:54:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1449 transitions. [2018-12-09 15:54:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 15:54:12,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:12,173 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 132 proven. 8 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 15:54:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1235 states and 1461 transitions. [2018-12-09 15:54:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1461 transitions. [2018-12-09 15:54:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 15:54:12,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:12,657 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 132 proven. 8 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 15:54:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1245 states and 1471 transitions. [2018-12-09 15:54:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1471 transitions. [2018-12-09 15:54:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 15:54:12,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:12,933 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1264 states and 1493 transitions. [2018-12-09 15:54:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1493 transitions. [2018-12-09 15:54:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 15:54:13,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1265 states and 1494 transitions. [2018-12-09 15:54:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1494 transitions. [2018-12-09 15:54:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 15:54:13,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 15:54:14,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:14,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1270 states and 1514 transitions. [2018-12-09 15:54:14,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1514 transitions. [2018-12-09 15:54:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 15:54:14,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 15:54:14,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1271 states and 1515 transitions. [2018-12-09 15:54:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1515 transitions. [2018-12-09 15:54:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 15:54:14,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 122 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 15:54:15,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:15,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1277 states and 1524 transitions. [2018-12-09 15:54:15,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1524 transitions. [2018-12-09 15:54:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 15:54:15,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 136 proven. 5 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 15:54:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:15,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1289 states and 1536 transitions. [2018-12-09 15:54:15,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1536 transitions. [2018-12-09 15:54:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 15:54:15,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:15,401 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 15:54:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:15,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1293 states and 1542 transitions. [2018-12-09 15:54:15,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1542 transitions. [2018-12-09 15:54:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 15:54:15,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 15:54:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1309 states and 1560 transitions. [2018-12-09 15:54:16,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1560 transitions. [2018-12-09 15:54:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 15:54:16,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 15:54:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1327 states and 1579 transitions. [2018-12-09 15:54:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1579 transitions. [2018-12-09 15:54:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 15:54:17,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 15:54:20,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1359 states and 1615 transitions. [2018-12-09 15:54:20,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1615 transitions. [2018-12-09 15:54:20,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 15:54:20,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:20,367 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 15:54:22,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1426 states and 1682 transitions. [2018-12-09 15:54:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1682 transitions. [2018-12-09 15:54:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 15:54:22,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:22,661 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 15:54:23,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1438 states and 1693 transitions. [2018-12-09 15:54:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1693 transitions. [2018-12-09 15:54:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 15:54:23,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:23,632 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 15:54:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1505 states and 1762 transitions. [2018-12-09 15:54:25,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1762 transitions. [2018-12-09 15:54:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 15:54:25,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 15:54:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1516 states and 1772 transitions. [2018-12-09 15:54:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1772 transitions. [2018-12-09 15:54:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 15:54:26,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 15:54:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:27,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1558 states and 1815 transitions. [2018-12-09 15:54:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1815 transitions. [2018-12-09 15:54:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 15:54:27,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 15:54:27,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:27,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1563 states and 1820 transitions. [2018-12-09 15:54:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1820 transitions. [2018-12-09 15:54:27,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 15:54:27,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 15:54:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1581 states and 1840 transitions. [2018-12-09 15:54:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1840 transitions. [2018-12-09 15:54:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 15:54:29,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:29,952 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 15:54:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:31,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1593 states and 1851 transitions. [2018-12-09 15:54:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1851 transitions. [2018-12-09 15:54:31,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-09 15:54:31,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 15:54:33,734 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 15:54:36,265 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 15:54:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1685 states and 1945 transitions. [2018-12-09 15:54:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 1945 transitions. [2018-12-09 15:54:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 15:54:36,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 15:54:41,440 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-09 15:54:43,421 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-09 15:54:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1776 states and 2039 transitions. [2018-12-09 15:54:46,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2039 transitions. [2018-12-09 15:54:46,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 15:54:46,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:46,836 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 15:54:48,144 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-09 15:54:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 1803 states and 2064 transitions. [2018-12-09 15:54:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2064 transitions. [2018-12-09 15:54:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-09 15:54:48,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 15:54:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1804 states and 2065 transitions. [2018-12-09 15:54:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2065 transitions. [2018-12-09 15:54:48,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-09 15:54:48,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 15:54:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1883 states and 2158 transitions. [2018-12-09 15:54:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2158 transitions. [2018-12-09 15:54:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-09 15:54:49,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:49,730 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 15:54:49,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1884 states and 2159 transitions. [2018-12-09 15:54:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2159 transitions. [2018-12-09 15:54:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-09 15:54:49,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 177 proven. 10 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 15:54:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1901 states and 2176 transitions. [2018-12-09 15:54:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2176 transitions. [2018-12-09 15:54:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 15:54:50,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 15:54:51,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 1947 states and 2231 transitions. [2018-12-09 15:54:51,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2231 transitions. [2018-12-09 15:54:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 15:54:51,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:52,091 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 15:54:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 1951 states and 2236 transitions. [2018-12-09 15:54:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2236 transitions. [2018-12-09 15:54:52,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 15:54:52,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 15:54:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:53,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1964 states and 2249 transitions. [2018-12-09 15:54:53,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2249 transitions. [2018-12-09 15:54:53,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 15:54:53,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:53,462 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 15:54:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 1977 states and 2262 transitions. [2018-12-09 15:54:54,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2262 transitions. [2018-12-09 15:54:54,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 15:54:54,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 15:55:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:01,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2105 states and 2397 transitions. [2018-12-09 15:55:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2397 transitions. [2018-12-09 15:55:01,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 15:55:01,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 15:55:11,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2141 states and 2433 transitions. [2018-12-09 15:55:11,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2433 transitions. [2018-12-09 15:55:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-09 15:55:11,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 15:55:11,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:11,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2142 states and 2433 transitions. [2018-12-09 15:55:11,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2433 transitions. [2018-12-09 15:55:11,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-09 15:55:11,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 15:55:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2143 states and 2433 transitions. [2018-12-09 15:55:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 2433 transitions. [2018-12-09 15:55:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-09 15:55:12,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 15:55:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:12,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2144 states and 2433 transitions. [2018-12-09 15:55:12,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2433 transitions. [2018-12-09 15:55:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-09 15:55:12,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 15:55:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2145 states and 2433 transitions. [2018-12-09 15:55:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2433 transitions. [2018-12-09 15:55:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 15:55:12,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:12,587 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-09 15:55:12,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2146 states and 2434 transitions. [2018-12-09 15:55:12,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2434 transitions. [2018-12-09 15:55:12,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 15:55:12,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 15:55:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2166 states and 2460 transitions. [2018-12-09 15:55:15,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2460 transitions. [2018-12-09 15:55:15,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:15,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 15:55:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2199 states and 2495 transitions. [2018-12-09 15:55:16,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2495 transitions. [2018-12-09 15:55:16,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:16,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 15:55:18,119 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-12-09 15:55:23,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:23,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2266 states and 2570 transitions. [2018-12-09 15:55:23,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2570 transitions. [2018-12-09 15:55:23,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:23,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 15:55:25,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2278 states and 2582 transitions. [2018-12-09 15:55:25,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2582 transitions. [2018-12-09 15:55:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:25,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 15:55:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:26,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2296 states and 2601 transitions. [2018-12-09 15:55:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 2601 transitions. [2018-12-09 15:55:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:26,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 15:55:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:27,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2312 states and 2619 transitions. [2018-12-09 15:55:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2619 transitions. [2018-12-09 15:55:27,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:27,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 15:55:30,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2362 states and 2671 transitions. [2018-12-09 15:55:30,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2671 transitions. [2018-12-09 15:55:30,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:30,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 15:55:31,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2381 states and 2693 transitions. [2018-12-09 15:55:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2693 transitions. [2018-12-09 15:55:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:31,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 15:55:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2385 states and 2697 transitions. [2018-12-09 15:55:31,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 2697 transitions. [2018-12-09 15:55:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:31,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 15:55:32,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2389 states and 2701 transitions. [2018-12-09 15:55:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 2701 transitions. [2018-12-09 15:55:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:32,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 15:55:32,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2393 states and 2706 transitions. [2018-12-09 15:55:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 2706 transitions. [2018-12-09 15:55:32,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 15:55:32,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-09 15:55:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2420 states and 2734 transitions. [2018-12-09 15:55:33,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2734 transitions. [2018-12-09 15:55:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-09 15:55:33,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 264 proven. 42 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 15:55:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2427 states and 2741 transitions. [2018-12-09 15:55:33,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2741 transitions. [2018-12-09 15:55:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 15:55:33,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-09 15:55:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2436 states and 2751 transitions. [2018-12-09 15:55:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2751 transitions. [2018-12-09 15:55:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-09 15:55:33,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-09 15:55:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2447 states and 2762 transitions. [2018-12-09 15:55:34,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 2762 transitions. [2018-12-09 15:55:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 15:55:34,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 15:55:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2451 states and 2766 transitions. [2018-12-09 15:55:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 2766 transitions. [2018-12-09 15:55:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-09 15:55:35,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 15:55:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2534 states and 2860 transitions. [2018-12-09 15:55:37,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2860 transitions. [2018-12-09 15:55:37,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-09 15:55:37,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:37,424 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 15:55:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2535 states and 2860 transitions. [2018-12-09 15:55:37,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 2860 transitions. [2018-12-09 15:55:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-09 15:55:37,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:37,764 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 366 proven. 4 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-09 15:55:38,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:38,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2540 states and 2865 transitions. [2018-12-09 15:55:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2865 transitions. [2018-12-09 15:55:38,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 15:55:38,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 15:55:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2631 states and 2959 transitions. [2018-12-09 15:55:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 2959 transitions. [2018-12-09 15:55:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-09 15:55:41,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 15:55:47,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 2678 states and 3009 transitions. [2018-12-09 15:55:47,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 3009 transitions. [2018-12-09 15:55:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-09 15:55:47,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 15:55:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 2709 states and 3039 transitions. [2018-12-09 15:55:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 3039 transitions. [2018-12-09 15:55:48,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 15:55:48,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:50,345 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 15:55:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 2758 states and 3089 transitions. [2018-12-09 15:55:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3089 transitions. [2018-12-09 15:55:53,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 15:55:53,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 15:55:53,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 2775 states and 3105 transitions. [2018-12-09 15:55:53,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3105 transitions. [2018-12-09 15:55:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-09 15:55:53,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 402 proven. 6 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-12-09 15:55:54,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 2835 states and 3163 transitions. [2018-12-09 15:55:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3163 transitions. [2018-12-09 15:55:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-09 15:55:54,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:54,364 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 402 proven. 6 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-12-09 15:55:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 2845 states and 3172 transitions. [2018-12-09 15:55:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3172 transitions. [2018-12-09 15:55:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-09 15:55:54,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:54,702 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 402 proven. 6 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-12-09 15:55:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:54,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 2850 states and 3176 transitions. [2018-12-09 15:55:54,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3176 transitions. [2018-12-09 15:55:54,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-09 15:55:54,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:55,393 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 626 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 15:55:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 2854 states and 3181 transitions. [2018-12-09 15:55:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3181 transitions. [2018-12-09 15:55:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 15:55:57,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-09 15:55:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 2881 states and 3209 transitions. [2018-12-09 15:55:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 3209 transitions. [2018-12-09 15:55:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 15:55:58,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-09 15:55:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 2908 states and 3236 transitions. [2018-12-09 15:55:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3236 transitions. [2018-12-09 15:55:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-09 15:55:59,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-09 15:56:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 2966 states and 3295 transitions. [2018-12-09 15:56:02,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 3295 transitions. [2018-12-09 15:56:02,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-09 15:56:02,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-09 15:56:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3071 states and 3407 transitions. [2018-12-09 15:56:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3407 transitions. [2018-12-09 15:56:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-09 15:56:04,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-09 15:56:04,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3089 states and 3425 transitions. [2018-12-09 15:56:04,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 3425 transitions. [2018-12-09 15:56:04,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-09 15:56:04,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-09 15:56:09,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 3179 states and 3518 transitions. [2018-12-09 15:56:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 3518 transitions. [2018-12-09 15:56:09,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-09 15:56:09,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-09 15:56:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3200 states and 3542 transitions. [2018-12-09 15:56:11,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 3542 transitions. [2018-12-09 15:56:11,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 15:56:11,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2018-12-09 15:56:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3201 states and 3542 transitions. [2018-12-09 15:56:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3201 states and 3542 transitions. [2018-12-09 15:56:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 15:56:11,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:12,111 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2018-12-09 15:56:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3202 states and 3542 transitions. [2018-12-09 15:56:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3202 states and 3542 transitions. [2018-12-09 15:56:12,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-09 15:56:12,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-09 15:56:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3573 states to 3231 states and 3573 transitions. [2018-12-09 15:56:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3231 states and 3573 transitions. [2018-12-09 15:56:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-09 15:56:13,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-09 15:56:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 3247 states and 3587 transitions. [2018-12-09 15:56:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 3587 transitions. [2018-12-09 15:56:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-12-09 15:56:14,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 622 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2018-12-09 15:56:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 3251 states and 3593 transitions. [2018-12-09 15:56:16,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 3593 transitions. [2018-12-09 15:56:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-09 15:56:16,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 150 proven. 602 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-12-09 15:56:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:26,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3325 states and 3676 transitions. [2018-12-09 15:56:26,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 3676 transitions. [2018-12-09 15:56:26,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:56:26,159 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 136 iterations. [2018-12-09 15:56:26,170 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 15:56:26,357 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-12-09 15:56:26,489 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 17 [2018-12-09 15:56:26,717 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-09 15:56:26,955 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2018-12-09 15:56:27,135 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-09 15:56:27,317 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 17 [2018-12-09 15:56:27,477 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 17 [2018-12-09 15:56:27,670 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-09 15:56:27,865 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-09 15:56:28,552 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-12-09 15:56:28,672 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-12-09 15:56:28,776 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 17 [2018-12-09 15:56:28,992 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-12-09 15:56:29,149 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-09 15:56:29,253 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 17 [2018-12-09 15:56:29,655 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 47 [2018-12-09 15:56:29,826 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-12-09 15:56:30,039 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-12-09 15:56:30,237 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2018-12-09 15:56:30,436 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-12-09 15:56:30,762 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-12-09 15:56:31,119 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 43 [2018-12-09 15:56:31,351 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 17 [2018-12-09 15:56:31,585 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-09 15:56:31,705 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-12-09 15:56:32,091 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-09 15:56:32,540 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-09 15:56:32,663 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-09 15:56:32,868 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2018-12-09 15:56:32,968 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 17 [2018-12-09 15:56:33,205 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 17 [2018-12-09 15:56:33,361 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-12-09 15:56:33,767 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-12-09 15:56:33,912 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-09 15:56:34,065 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-09 15:56:34,414 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 43 [2018-12-09 15:56:34,666 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 17 [2018-12-09 15:56:34,666 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:56:34,668 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-09 15:56:34,676 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-09 15:56:34,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:56:34 ImpRootNode [2018-12-09 15:56:34,677 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 15:56:34,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:56:34,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:56:34,677 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:56:34,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:53:40" (3/4) ... [2018-12-09 15:56:34,681 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:56:34,695 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-09 15:56:34,696 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 15:56:34,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 15:56:34,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 15:56:34,772 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f260d42-b487-4323-8450-95d8e5ff8769/bin-2019/ukojak/witness.graphml [2018-12-09 15:56:34,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:56:34,773 INFO L168 Benchmark]: Toolchain (without parser) took 175327.44 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 950.6 MB in the beginning and 858.2 MB in the end (delta: 92.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-09 15:56:34,774 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:56:34,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:56:34,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:56:34,774 INFO L168 Benchmark]: Boogie Preprocessor took 36.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 15:56:34,774 INFO L168 Benchmark]: RCFGBuilder took 1030.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.9 MB in the end (delta: 229.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:56:34,775 INFO L168 Benchmark]: CodeCheck took 173777.35 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 876.9 MB in the beginning and 888.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-09 15:56:34,775 INFO L168 Benchmark]: Witness Printer took 95.56 ms. Allocated memory is still 2.4 GB. Free memory was 888.8 MB in the beginning and 858.2 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-09 15:56:34,777 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, 227 locations, 1 error locations. SAFE Result, 165.2s OverallTime, 136 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 297852724 SDtfs, -319859720 SDslu, 1996811888 SDs, 0 SdLazy, -1600381216 SolverSat, -1418762492 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 540.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187857 GetRequests, 182246 SyntacticMatches, 4273 SemanticMatches, 1338 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1405423 ImplicationChecksByTransitivity, 142.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 28730 NumberOfCodeBlocks, 28730 NumberOfCodeBlocksAsserted, 135 NumberOfCheckSat, 28595 ConstructedInterpolants, 0 QuantifiedInterpolants, 29597553 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 135 InterpolantComputations, 75 PerfectInterpolantSequences, 32810/34225 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: 541]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a11 == 1) || a25 == 1) || a19 == 1) || !(a28 == 10)) || !(a17 == 8) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a11 == 1) || a19 == 1) || a25 == 1) || !(a28 == 10)) || !(a17 == 8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1030.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.9 MB in the end (delta: 229.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 11.5 GB. * CodeCheck took 173777.35 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 876.9 MB in the beginning and 888.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 95.56 ms. Allocated memory is still 2.4 GB. Free memory was 888.8 MB in the beginning and 858.2 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...