./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label34_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_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/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 967c72bd82820b824aa390b27f8a26458e2fde4d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 15:16:42,886 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:16:42,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:16:42,893 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:16:42,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:16:42,894 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:16:42,895 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:16:42,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:16:42,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:16:42,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:16:42,897 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:16:42,897 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:16:42,898 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:16:42,898 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:16:42,899 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:16:42,899 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:16:42,899 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:16:42,900 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:16:42,901 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:16:42,902 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:16:42,902 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:16:42,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:16:42,904 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:16:42,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:16:42,904 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:16:42,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:16:42,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:16:42,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:16:42,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:16:42,906 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:16:42,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:16:42,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:16:42,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:16:42,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:16:42,907 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:16:42,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:16:42,908 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 15:16:42,915 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:16:42,915 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:16:42,916 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:16:42,916 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 15:16:42,916 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 15:16:42,916 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 15:16:42,916 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:16:42,916 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:16:42,917 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 15:16:42,917 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:16:42,917 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:16:42,917 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:16:42,917 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:16:42,917 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:16:42,917 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:16:42,917 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:16:42,917 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 15:16:42,917 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:16:42,917 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 15:16:42,918 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 15:16:42,918 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:16:42,918 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:16:42,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 15:16:42,918 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:16:42,918 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:16:42,918 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:16:42,918 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 15:16:42,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:16:42,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 15:16:42,918 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_54fd39f9-5d17-4fb0-99e0-1c8c12021946/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 -> 967c72bd82820b824aa390b27f8a26458e2fde4d [2018-12-02 15:16:42,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:16:42,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:16:42,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:16:42,946 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:16:42,947 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:16:42,947 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c [2018-12-02 15:16:42,981 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/data/73c4f0527/0dbd22827ab94024b638ff7b5f811f16/FLAG5cc7e9ac1 [2018-12-02 15:16:43,471 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:16:43,471 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c [2018-12-02 15:16:43,478 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/data/73c4f0527/0dbd22827ab94024b638ff7b5f811f16/FLAG5cc7e9ac1 [2018-12-02 15:16:43,486 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/data/73c4f0527/0dbd22827ab94024b638ff7b5f811f16 [2018-12-02 15:16:43,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:16:43,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:16:43,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:16:43,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:16:43,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:16:43,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43, skipping insertion in model container [2018-12-02 15:16:43,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:16:43,522 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:16:43,710 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:16:43,714 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:16:43,829 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:16:43,840 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:16:43,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43 WrapperNode [2018-12-02 15:16:43,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:16:43,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:16:43,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:16:43,841 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:16:43,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:16:43,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:16:43,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:16:43,887 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:16:43,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43" (1/1) ... [2018-12-02 15:16:43,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:16:43,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:16:43,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:16:43,916 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:16:43,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/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 [2018-12-02 15:16:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:16:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:16:45,000 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:16:45,000 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 15:16:45,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:45 BoogieIcfgContainer [2018-12-02 15:16:45,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:16:45,001 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 15:16:45,001 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 15:16:45,007 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 15:16:45,007 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:45" (1/1) ... [2018-12-02 15:16:45,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:16:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:45,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-02 15:16:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-02 15:16:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 15:16:45,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:45,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-02 15:16:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-02 15:16:45,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-02 15:16:45,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:45,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:45,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 241 states and 341 transitions. [2018-12-02 15:16:45,981 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 341 transitions. [2018-12-02 15:16:45,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 15:16:45,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:46,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:46,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 245 states and 347 transitions. [2018-12-02 15:16:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 347 transitions. [2018-12-02 15:16:46,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 15:16:46,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 254 states and 358 transitions. [2018-12-02 15:16:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 358 transitions. [2018-12-02 15:16:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 15:16:46,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:16:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:46,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 264 states and 372 transitions. [2018-12-02 15:16:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 372 transitions. [2018-12-02 15:16:46,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 15:16:46,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 269 states and 377 transitions. [2018-12-02 15:16:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 377 transitions. [2018-12-02 15:16:46,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 15:16:46,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:46,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 286 states and 401 transitions. [2018-12-02 15:16:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 401 transitions. [2018-12-02 15:16:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 15:16:46,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:16:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:47,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 290 states and 406 transitions. [2018-12-02 15:16:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 406 transitions. [2018-12-02 15:16:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 15:16:47,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:16:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 294 states and 411 transitions. [2018-12-02 15:16:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 411 transitions. [2018-12-02 15:16:47,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-02 15:16:47,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:16:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 295 states and 412 transitions. [2018-12-02 15:16:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 412 transitions. [2018-12-02 15:16:47,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 15:16:47,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:47,169 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:16:47,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 298 states and 414 transitions. [2018-12-02 15:16:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 414 transitions. [2018-12-02 15:16:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 15:16:47,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:47,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 305 states and 421 transitions. [2018-12-02 15:16:47,290 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 421 transitions. [2018-12-02 15:16:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 15:16:47,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:16:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 312 states and 428 transitions. [2018-12-02 15:16:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 428 transitions. [2018-12-02 15:16:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 15:16:47,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:47,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:47,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 318 states and 434 transitions. [2018-12-02 15:16:47,373 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 434 transitions. [2018-12-02 15:16:47,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 15:16:47,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 334 states and 454 transitions. [2018-12-02 15:16:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 454 transitions. [2018-12-02 15:16:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 15:16:47,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 15:16:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 352 states and 475 transitions. [2018-12-02 15:16:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 475 transitions. [2018-12-02 15:16:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-02 15:16:47,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 15:16:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 456 states and 589 transitions. [2018-12-02 15:16:48,889 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 589 transitions. [2018-12-02 15:16:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 15:16:48,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 463 states and 596 transitions. [2018-12-02 15:16:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 596 transitions. [2018-12-02 15:16:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 15:16:48,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 494 states and 638 transitions. [2018-12-02 15:16:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 638 transitions. [2018-12-02 15:16:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 15:16:49,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:49,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:49,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 499 states and 642 transitions. [2018-12-02 15:16:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 642 transitions. [2018-12-02 15:16:49,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 15:16:49,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:16:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:50,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 529 states and 681 transitions. [2018-12-02 15:16:50,381 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 681 transitions. [2018-12-02 15:16:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 15:16:50,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:16:50,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:50,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 537 states and 694 transitions. [2018-12-02 15:16:50,663 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 694 transitions. [2018-12-02 15:16:50,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 15:16:50,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:16:51,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 560 states and 718 transitions. [2018-12-02 15:16:51,095 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 718 transitions. [2018-12-02 15:16:51,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 15:16:51,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:16:51,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:51,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 565 states and 722 transitions. [2018-12-02 15:16:51,296 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 722 transitions. [2018-12-02 15:16:51,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 15:16:51,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:16:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 587 states and 755 transitions. [2018-12-02 15:16:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 755 transitions. [2018-12-02 15:16:51,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 15:16:51,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:16:51,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:51,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 590 states and 757 transitions. [2018-12-02 15:16:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 757 transitions. [2018-12-02 15:16:51,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 15:16:51,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:51,900 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:16:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 613 states and 783 transitions. [2018-12-02 15:16:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 783 transitions. [2018-12-02 15:16:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 15:16:52,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 15:16:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 616 states and 788 transitions. [2018-12-02 15:16:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 788 transitions. [2018-12-02 15:16:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 15:16:52,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 15:16:52,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:52,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 619 states and 792 transitions. [2018-12-02 15:16:52,530 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 792 transitions. [2018-12-02 15:16:52,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 15:16:52,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:52,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 652 states and 827 transitions. [2018-12-02 15:16:52,790 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 827 transitions. [2018-12-02 15:16:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 15:16:52,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:16:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 661 states and 835 transitions. [2018-12-02 15:16:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2018-12-02 15:16:52,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 15:16:52,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:52,921 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 15:16:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 683 states and 857 transitions. [2018-12-02 15:16:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 857 transitions. [2018-12-02 15:16:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 15:16:53,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 727 states and 911 transitions. [2018-12-02 15:16:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 911 transitions. [2018-12-02 15:16:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 15:16:53,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:54,055 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:16:54,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 758 states and 954 transitions. [2018-12-02 15:16:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 954 transitions. [2018-12-02 15:16:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 15:16:54,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:16:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 761 states and 956 transitions. [2018-12-02 15:16:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 956 transitions. [2018-12-02 15:16:54,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 15:16:54,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 15:16:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:55,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 793 states and 991 transitions. [2018-12-02 15:16:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 991 transitions. [2018-12-02 15:16:55,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 15:16:55,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 801 states and 1005 transitions. [2018-12-02 15:16:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1005 transitions. [2018-12-02 15:16:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 15:16:55,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:56,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 824 states and 1028 transitions. [2018-12-02 15:16:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1028 transitions. [2018-12-02 15:16:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 15:16:56,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 829 states and 1032 transitions. [2018-12-02 15:16:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1032 transitions. [2018-12-02 15:16:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 15:16:56,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 833 states and 1042 transitions. [2018-12-02 15:16:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1042 transitions. [2018-12-02 15:16:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 15:16:56,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 15:16:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 869 states and 1085 transitions. [2018-12-02 15:16:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1085 transitions. [2018-12-02 15:16:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 15:16:58,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:58,646 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 15:16:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 872 states and 1089 transitions. [2018-12-02 15:16:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1089 transitions. [2018-12-02 15:16:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 15:16:58,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 15:16:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 892 states and 1107 transitions. [2018-12-02 15:16:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1107 transitions. [2018-12-02 15:16:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 15:16:59,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:16:59,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 912 states and 1130 transitions. [2018-12-02 15:16:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1130 transitions. [2018-12-02 15:16:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 15:16:59,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:17:00,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 921 states and 1138 transitions. [2018-12-02 15:17:00,122 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1138 transitions. [2018-12-02 15:17:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 15:17:00,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:17:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 930 states and 1146 transitions. [2018-12-02 15:17:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1146 transitions. [2018-12-02 15:17:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 15:17:00,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:00,597 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:17:05,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 988 states and 1212 transitions. [2018-12-02 15:17:05,252 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1212 transitions. [2018-12-02 15:17:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 15:17:05,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 15:17:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 992 states and 1221 transitions. [2018-12-02 15:17:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1221 transitions. [2018-12-02 15:17:05,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 15:17:05,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 15:17:05,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:05,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 995 states and 1225 transitions. [2018-12-02 15:17:05,710 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1225 transitions. [2018-12-02 15:17:05,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 15:17:05,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:17:06,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1018 states and 1252 transitions. [2018-12-02 15:17:06,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1252 transitions. [2018-12-02 15:17:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 15:17:06,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:17:06,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1027 states and 1260 transitions. [2018-12-02 15:17:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1260 transitions. [2018-12-02 15:17:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 15:17:06,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:17:06,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1043 states and 1276 transitions. [2018-12-02 15:17:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1276 transitions. [2018-12-02 15:17:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 15:17:06,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:17:06,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:06,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1052 states and 1284 transitions. [2018-12-02 15:17:06,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1284 transitions. [2018-12-02 15:17:06,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 15:17:06,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:17:07,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:07,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1061 states and 1292 transitions. [2018-12-02 15:17:07,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1292 transitions. [2018-12-02 15:17:07,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 15:17:07,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:17:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1121 states and 1360 transitions. [2018-12-02 15:17:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1360 transitions. [2018-12-02 15:17:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 15:17:11,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 15:17:11,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:11,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1124 states and 1363 transitions. [2018-12-02 15:17:11,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1363 transitions. [2018-12-02 15:17:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 15:17:11,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:17:14,422 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-02 15:17:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1159 states and 1403 transitions. [2018-12-02 15:17:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1403 transitions. [2018-12-02 15:17:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 15:17:15,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:17:16,144 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-02 15:17:16,402 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-12-02 15:17:17,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:17,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1177 states and 1421 transitions. [2018-12-02 15:17:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1421 transitions. [2018-12-02 15:17:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 15:17:17,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:17,635 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:17:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:18,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1182 states and 1425 transitions. [2018-12-02 15:17:18,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1425 transitions. [2018-12-02 15:17:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 15:17:18,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-02 15:17:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1200 states and 1445 transitions. [2018-12-02 15:17:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1445 transitions. [2018-12-02 15:17:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 15:17:19,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:17:20,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1236 states and 1485 transitions. [2018-12-02 15:17:20,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1485 transitions. [2018-12-02 15:17:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 15:17:20,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:17:21,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:21,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1240 states and 1490 transitions. [2018-12-02 15:17:21,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1490 transitions. [2018-12-02 15:17:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 15:17:21,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:17:21,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1247 states and 1500 transitions. [2018-12-02 15:17:21,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1500 transitions. [2018-12-02 15:17:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 15:17:21,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:17:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:21,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1250 states and 1506 transitions. [2018-12-02 15:17:21,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1506 transitions. [2018-12-02 15:17:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 15:17:21,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:21,492 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:17:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1288 states and 1550 transitions. [2018-12-02 15:17:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1550 transitions. [2018-12-02 15:17:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 15:17:23,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:17:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1299 states and 1561 transitions. [2018-12-02 15:17:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1561 transitions. [2018-12-02 15:17:23,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 15:17:23,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:17:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1302 states and 1565 transitions. [2018-12-02 15:17:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1565 transitions. [2018-12-02 15:17:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 15:17:23,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 15:17:26,371 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-12-02 15:17:27,670 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-12-02 15:17:30,880 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-12-02 15:17:32,113 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-12-02 15:17:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1351 states and 1615 transitions. [2018-12-02 15:17:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1615 transitions. [2018-12-02 15:17:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 15:17:33,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:17:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1381 states and 1647 transitions. [2018-12-02 15:17:34,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1647 transitions. [2018-12-02 15:17:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 15:17:34,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 15:17:34,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1403 states and 1670 transitions. [2018-12-02 15:17:34,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1670 transitions. [2018-12-02 15:17:34,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 15:17:34,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 15:17:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1414 states and 1681 transitions. [2018-12-02 15:17:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1681 transitions. [2018-12-02 15:17:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 15:17:35,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:35,258 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 15:17:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:35,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1428 states and 1696 transitions. [2018-12-02 15:17:35,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1696 transitions. [2018-12-02 15:17:35,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 15:17:35,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 15:17:36,910 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-02 15:17:43,434 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-02 15:17:46,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1473 states and 1743 transitions. [2018-12-02 15:17:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1743 transitions. [2018-12-02 15:17:46,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 15:17:46,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:46,637 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 15:17:48,527 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2018-12-02 15:17:49,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1532 states and 1801 transitions. [2018-12-02 15:17:49,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1801 transitions. [2018-12-02 15:17:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 15:17:49,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 15:17:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:50,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1537 states and 1805 transitions. [2018-12-02 15:17:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1805 transitions. [2018-12-02 15:17:50,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 15:17:50,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:17:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1553 states and 1823 transitions. [2018-12-02 15:17:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1823 transitions. [2018-12-02 15:17:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 15:17:50,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 15:17:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1562 states and 1832 transitions. [2018-12-02 15:17:50,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1832 transitions. [2018-12-02 15:17:50,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 15:17:50,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 15:17:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1641 states and 1916 transitions. [2018-12-02 15:17:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 1916 transitions. [2018-12-02 15:17:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 15:17:51,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:51,900 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:17:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1669 states and 1955 transitions. [2018-12-02 15:17:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 1955 transitions. [2018-12-02 15:17:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 15:17:53,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:17:54,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1693 states and 1981 transitions. [2018-12-02 15:17:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 1981 transitions. [2018-12-02 15:17:54,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 15:17:54,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:17:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1709 states and 1997 transitions. [2018-12-02 15:17:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 1997 transitions. [2018-12-02 15:17:55,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 15:17:55,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:17:58,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1725 states and 2013 transitions. [2018-12-02 15:17:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2013 transitions. [2018-12-02 15:17:59,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 15:17:59,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:18:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:00,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1741 states and 2028 transitions. [2018-12-02 15:18:00,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2028 transitions. [2018-12-02 15:18:00,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 15:18:00,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:18:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1755 states and 2041 transitions. [2018-12-02 15:18:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2041 transitions. [2018-12-02 15:18:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 15:18:01,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 15:18:03,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1780 states and 2068 transitions. [2018-12-02 15:18:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2068 transitions. [2018-12-02 15:18:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 15:18:03,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 15:18:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1854 states and 2141 transitions. [2018-12-02 15:18:04,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2141 transitions. [2018-12-02 15:18:04,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 15:18:04,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:04,374 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:18:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 1858 states and 2147 transitions. [2018-12-02 15:18:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2147 transitions. [2018-12-02 15:18:04,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 15:18:04,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:18:06,961 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-12-02 15:18:08,229 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-12-02 15:18:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:08,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1932 states and 2220 transitions. [2018-12-02 15:18:08,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2220 transitions. [2018-12-02 15:18:08,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 15:18:08,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:08,926 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 15:18:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1986 states and 2281 transitions. [2018-12-02 15:18:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2281 transitions. [2018-12-02 15:18:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 15:18:10,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 15:18:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 1991 states and 2286 transitions. [2018-12-02 15:18:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2286 transitions. [2018-12-02 15:18:10,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 15:18:10,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 15:18:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:13,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2009 states and 2304 transitions. [2018-12-02 15:18:13,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2304 transitions. [2018-12-02 15:18:13,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 15:18:13,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 15:18:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2014 states and 2308 transitions. [2018-12-02 15:18:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2308 transitions. [2018-12-02 15:18:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 15:18:13,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 15:18:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2038 states and 2331 transitions. [2018-12-02 15:18:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2331 transitions. [2018-12-02 15:18:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 15:18:15,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 15:18:18,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2062 states and 2354 transitions. [2018-12-02 15:18:18,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2354 transitions. [2018-12-02 15:18:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 15:18:18,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:18,871 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 15:18:19,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2086 states and 2377 transitions. [2018-12-02 15:18:19,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2377 transitions. [2018-12-02 15:18:19,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 15:18:19,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:20,762 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:18:22,498 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 15:18:23,270 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 15:18:23,802 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 15:18:24,683 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 15:18:25,505 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 15:18:26,374 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 15:18:27,246 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-12-02 15:18:27,722 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-02 15:18:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2178 states and 2473 transitions. [2018-12-02 15:18:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2473 transitions. [2018-12-02 15:18:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 15:18:29,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 15:18:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2198 states and 2496 transitions. [2018-12-02 15:18:29,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2496 transitions. [2018-12-02 15:18:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 15:18:29,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 15:18:30,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:30,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2225 states and 2525 transitions. [2018-12-02 15:18:30,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2525 transitions. [2018-12-02 15:18:30,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 15:18:30,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 15:18:30,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2226 states and 2526 transitions. [2018-12-02 15:18:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2526 transitions. [2018-12-02 15:18:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 15:18:30,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:31,386 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 15:18:38,755 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2018-12-02 15:18:39,783 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-12-02 15:18:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2291 states and 2595 transitions. [2018-12-02 15:18:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 2595 transitions. [2018-12-02 15:18:42,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 15:18:42,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:42,493 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 15:18:44,101 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2018-12-02 15:18:46,593 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-12-02 15:18:47,666 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-02 15:18:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2339 states and 2646 transitions. [2018-12-02 15:18:54,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 2646 transitions. [2018-12-02 15:18:54,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 15:18:54,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 15:18:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2372 states and 2678 transitions. [2018-12-02 15:18:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 2678 transitions. [2018-12-02 15:18:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 15:18:59,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 15:19:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2387 states and 2692 transitions. [2018-12-02 15:19:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 2692 transitions. [2018-12-02 15:19:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 15:19:00,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 15:19:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2407 states and 2710 transitions. [2018-12-02 15:19:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 2710 transitions. [2018-12-02 15:19:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 15:19:02,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 15:19:03,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:03,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2422 states and 2724 transitions. [2018-12-02 15:19:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2724 transitions. [2018-12-02 15:19:03,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 15:19:03,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 15:19:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2480 states and 2797 transitions. [2018-12-02 15:19:05,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 2797 transitions. [2018-12-02 15:19:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 15:19:05,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 15:19:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2506 states and 2823 transitions. [2018-12-02 15:19:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 2823 transitions. [2018-12-02 15:19:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 15:19:09,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 15:19:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2520 states and 2839 transitions. [2018-12-02 15:19:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 2839 transitions. [2018-12-02 15:19:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 15:19:10,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 15:19:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2536 states and 2855 transitions. [2018-12-02 15:19:10,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 2855 transitions. [2018-12-02 15:19:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 15:19:10,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 15:19:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:11,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2545 states and 2863 transitions. [2018-12-02 15:19:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 2863 transitions. [2018-12-02 15:19:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 15:19:11,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 15:19:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2554 states and 2872 transitions. [2018-12-02 15:19:12,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 2872 transitions. [2018-12-02 15:19:12,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 15:19:12,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 15:19:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2558 states and 2881 transitions. [2018-12-02 15:19:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 2881 transitions. [2018-12-02 15:19:12,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 15:19:12,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:12,674 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 15:19:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2585 states and 2909 transitions. [2018-12-02 15:19:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 2909 transitions. [2018-12-02 15:19:13,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 15:19:13,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 15:19:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2631 states and 2961 transitions. [2018-12-02 15:19:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 2961 transitions. [2018-12-02 15:19:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 15:19:14,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 15:19:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2659 states and 2986 transitions. [2018-12-02 15:19:16,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 2986 transitions. [2018-12-02 15:19:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-02 15:19:16,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:16,384 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 15:19:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2660 states and 2987 transitions. [2018-12-02 15:19:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 2987 transitions. [2018-12-02 15:19:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 15:19:16,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 15:19:20,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:20,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 2677 states and 3011 transitions. [2018-12-02 15:19:20,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3011 transitions. [2018-12-02 15:19:20,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 15:19:20,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 15:19:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:20,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 2680 states and 3013 transitions. [2018-12-02 15:19:20,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3013 transitions. [2018-12-02 15:19:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-02 15:19:20,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:20,726 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-02 15:19:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 2708 states and 3045 transitions. [2018-12-02 15:19:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3045 transitions. [2018-12-02 15:19:21,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-02 15:19:21,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-02 15:19:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 2728 states and 3067 transitions. [2018-12-02 15:19:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3067 transitions. [2018-12-02 15:19:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-02 15:19:22,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-02 15:19:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:23,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2742 states and 3080 transitions. [2018-12-02 15:19:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3080 transitions. [2018-12-02 15:19:23,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 15:19:23,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 15:19:27,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 2746 states and 3087 transitions. [2018-12-02 15:19:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3087 transitions. [2018-12-02 15:19:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-02 15:19:27,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 15:19:28,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:28,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 2749 states and 3090 transitions. [2018-12-02 15:19:28,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3090 transitions. [2018-12-02 15:19:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-02 15:19:28,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 249 proven. 42 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 15:19:29,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:29,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 2756 states and 3102 transitions. [2018-12-02 15:19:29,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3102 transitions. [2018-12-02 15:19:29,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-02 15:19:29,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:19:31,924 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 18 [2018-12-02 15:19:32,251 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-02 15:19:36,731 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-12-02 15:19:38,523 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2018-12-02 15:19:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 2835 states and 3182 transitions. [2018-12-02 15:19:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3182 transitions. [2018-12-02 15:19:43,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 15:19:43,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-02 15:19:43,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 2837 states and 3184 transitions. [2018-12-02 15:19:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 3184 transitions. [2018-12-02 15:19:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 15:19:43,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 15:19:46,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 2845 states and 3192 transitions. [2018-12-02 15:19:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3192 transitions. [2018-12-02 15:19:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 15:19:46,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-02 15:19:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 2852 states and 3201 transitions. [2018-12-02 15:19:48,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3201 transitions. [2018-12-02 15:19:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 15:19:48,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-02 15:19:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 2855 states and 3203 transitions. [2018-12-02 15:19:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 3203 transitions. [2018-12-02 15:19:49,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 15:19:49,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 209 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 15:19:49,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:49,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 2879 states and 3227 transitions. [2018-12-02 15:19:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3227 transitions. [2018-12-02 15:19:49,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 15:19:49,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:19:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 2895 states and 3248 transitions. [2018-12-02 15:19:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3248 transitions. [2018-12-02 15:19:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 15:19:57,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:19:58,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2898 states and 3250 transitions. [2018-12-02 15:19:58,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 3250 transitions. [2018-12-02 15:19:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-02 15:19:58,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-02 15:19:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:58,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2899 states and 3250 transitions. [2018-12-02 15:19:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3250 transitions. [2018-12-02 15:19:58,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 15:19:58,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 15:19:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:19:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 2918 states and 3270 transitions. [2018-12-02 15:19:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3270 transitions. [2018-12-02 15:19:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 15:19:59,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:19:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:19:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 15:20:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 2922 states and 3274 transitions. [2018-12-02 15:20:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3274 transitions. [2018-12-02 15:20:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 15:20:00,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 168 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-02 15:20:00,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2927 states and 3281 transitions. [2018-12-02 15:20:00,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3281 transitions. [2018-12-02 15:20:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-02 15:20:00,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:20:04,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:04,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 2963 states and 3327 transitions. [2018-12-02 15:20:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 3327 transitions. [2018-12-02 15:20:04,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-02 15:20:04,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:20:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:08,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 2975 states and 3338 transitions. [2018-12-02 15:20:08,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 3338 transitions. [2018-12-02 15:20:08,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-02 15:20:08,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:09,140 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:20:09,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:09,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 2991 states and 3356 transitions. [2018-12-02 15:20:09,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 3356 transitions. [2018-12-02 15:20:09,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-02 15:20:09,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:20:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3000 states and 3364 transitions. [2018-12-02 15:20:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3364 transitions. [2018-12-02 15:20:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 15:20:10,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-12-02 15:20:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:10,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3006 states and 3369 transitions. [2018-12-02 15:20:10,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 3369 transitions. [2018-12-02 15:20:10,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 15:20:10,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 297 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:20:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 3072 states and 3448 transitions. [2018-12-02 15:20:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3448 transitions. [2018-12-02 15:20:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 15:20:16,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 297 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:20:17,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3466 states to 3090 states and 3466 transitions. [2018-12-02 15:20:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 3466 transitions. [2018-12-02 15:20:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 15:20:17,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 297 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:20:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3474 states to 3099 states and 3474 transitions. [2018-12-02 15:20:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 3474 transitions. [2018-12-02 15:20:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 15:20:17,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 297 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:20:18,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3115 states and 3490 transitions. [2018-12-02 15:20:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3490 transitions. [2018-12-02 15:20:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 15:20:18,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 297 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:20:18,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 3131 states and 3505 transitions. [2018-12-02 15:20:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 3505 transitions. [2018-12-02 15:20:18,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-02 15:20:18,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 191 proven. 15 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-02 15:20:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3135 states and 3511 transitions. [2018-12-02 15:20:19,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 3511 transitions. [2018-12-02 15:20:19,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 15:20:19,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:19,698 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 15:20:20,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:20,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 3136 states and 3514 transitions. [2018-12-02 15:20:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 3514 transitions. [2018-12-02 15:20:20,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 15:20:20,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 15:20:22,542 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-12-02 15:20:22,932 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2018-12-02 15:20:27,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:27,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3169 states and 3556 transitions. [2018-12-02 15:20:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 3556 transitions. [2018-12-02 15:20:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 15:20:27,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 15:20:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3176 states and 3562 transitions. [2018-12-02 15:20:28,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 3562 transitions. [2018-12-02 15:20:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 15:20:28,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:33,505 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2018-12-02 15:20:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 359 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:41,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3177 states and 3564 transitions. [2018-12-02 15:20:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 3564 transitions. [2018-12-02 15:20:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 15:20:41,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-02 15:20:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3183 states and 3575 transitions. [2018-12-02 15:20:44,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3183 states and 3575 transitions. [2018-12-02 15:20:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 15:20:44,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-02 15:20:45,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3187 states and 3580 transitions. [2018-12-02 15:20:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3187 states and 3580 transitions. [2018-12-02 15:20:45,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-02 15:20:45,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 276 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-02 15:20:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3189 states and 3582 transitions. [2018-12-02 15:20:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 3582 transitions. [2018-12-02 15:20:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-02 15:20:45,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 209 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-02 15:20:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3208 states and 3600 transitions. [2018-12-02 15:20:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3600 transitions. [2018-12-02 15:20:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-02 15:20:45,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 209 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-02 15:20:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3209 states and 3600 transitions. [2018-12-02 15:20:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 3600 transitions. [2018-12-02 15:20:46,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-02 15:20:46,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:20:48,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:48,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3230 states and 3623 transitions. [2018-12-02 15:20:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 3623 transitions. [2018-12-02 15:20:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-02 15:20:48,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:20:51,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3638 states to 3246 states and 3638 transitions. [2018-12-02 15:20:51,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 3638 transitions. [2018-12-02 15:20:51,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-02 15:20:51,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-12-02 15:20:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:51,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3262 states and 3654 transitions. [2018-12-02 15:20:51,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 3654 transitions. [2018-12-02 15:20:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 15:20:51,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:20:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3296 states and 3695 transitions. [2018-12-02 15:20:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 3695 transitions. [2018-12-02 15:20:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 15:20:53,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:20:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3323 states and 3728 transitions. [2018-12-02 15:20:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3323 states and 3728 transitions. [2018-12-02 15:20:55,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 15:20:55,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:56,052 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:20:58,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:20:58,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3346 states and 3751 transitions. [2018-12-02 15:20:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3346 states and 3751 transitions. [2018-12-02 15:20:58,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 15:20:58,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:20:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:21:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:00,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3351 states and 3755 transitions. [2018-12-02 15:21:00,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3351 states and 3755 transitions. [2018-12-02 15:21:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 15:21:00,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:21:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3356 states and 3759 transitions. [2018-12-02 15:21:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 3759 transitions. [2018-12-02 15:21:01,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 15:21:01,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:21:01,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:01,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3360 states and 3763 transitions. [2018-12-02 15:21:01,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 3763 transitions. [2018-12-02 15:21:01,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 15:21:01,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:21:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:01,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3364 states and 3767 transitions. [2018-12-02 15:21:01,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 3767 transitions. [2018-12-02 15:21:01,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 15:21:01,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:21:01,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:01,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 3368 states and 3771 transitions. [2018-12-02 15:21:01,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 3771 transitions. [2018-12-02 15:21:01,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 15:21:01,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 15:21:01,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:01,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3786 states to 3384 states and 3786 transitions. [2018-12-02 15:21:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 3786 transitions. [2018-12-02 15:21:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:21:01,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 15:21:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3392 states and 3796 transitions. [2018-12-02 15:21:02,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3392 states and 3796 transitions. [2018-12-02 15:21:02,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:21:02,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 15:21:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3465 states and 3870 transitions. [2018-12-02 15:21:02,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 3870 transitions. [2018-12-02 15:21:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:21:02,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 15:21:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:03,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3874 states to 3468 states and 3874 transitions. [2018-12-02 15:21:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3468 states and 3874 transitions. [2018-12-02 15:21:03,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:21:03,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 15:21:03,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3484 states and 3889 transitions. [2018-12-02 15:21:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 3889 transitions. [2018-12-02 15:21:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:21:03,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 15:21:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:04,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3500 states and 3905 transitions. [2018-12-02 15:21:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 3500 states and 3905 transitions. [2018-12-02 15:21:04,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:21:04,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 15:21:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:05,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 3514 states and 3918 transitions. [2018-12-02 15:21:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 3918 transitions. [2018-12-02 15:21:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:21:05,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 15:21:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3530 states and 3934 transitions. [2018-12-02 15:21:06,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3530 states and 3934 transitions. [2018-12-02 15:21:06,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:21:06,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 15:21:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3544 states and 3947 transitions. [2018-12-02 15:21:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 3947 transitions. [2018-12-02 15:21:07,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:21:07,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 15:21:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:07,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 3560 states and 3962 transitions. [2018-12-02 15:21:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 3962 transitions. [2018-12-02 15:21:07,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 15:21:07,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 388 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-02 15:21:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:08,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3963 states to 3562 states and 3963 transitions. [2018-12-02 15:21:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 3963 transitions. [2018-12-02 15:21:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-02 15:21:08,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 607 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 15:21:17,020 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 15:21:19,998 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 15:21:22,806 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-12-02 15:21:24,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:24,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3583 states and 3988 transitions. [2018-12-02 15:21:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 3988 transitions. [2018-12-02 15:21:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-12-02 15:21:24,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 511 proven. 4 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 15:21:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 3651 states and 4064 transitions. [2018-12-02 15:21:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3651 states and 4064 transitions. [2018-12-02 15:21:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-12-02 15:21:32,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:32,373 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 511 proven. 4 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 15:21:32,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4081 states to 3670 states and 4081 transitions. [2018-12-02 15:21:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3670 states and 4081 transitions. [2018-12-02 15:21:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-02 15:21:32,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-12-02 15:21:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4090 states to 3679 states and 4090 transitions. [2018-12-02 15:21:34,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3679 states and 4090 transitions. [2018-12-02 15:21:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 15:21:34,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-02 15:21:37,805 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 23 [2018-12-02 15:21:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 3752 states and 4166 transitions. [2018-12-02 15:21:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3752 states and 4166 transitions. [2018-12-02 15:21:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 15:21:38,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-02 15:21:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 3769 states and 4182 transitions. [2018-12-02 15:21:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 4182 transitions. [2018-12-02 15:21:38,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 15:21:38,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-02 15:21:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 3835 states and 4254 transitions. [2018-12-02 15:21:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 4254 transitions. [2018-12-02 15:21:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 15:21:43,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-02 15:21:44,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:44,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 3850 states and 4270 transitions. [2018-12-02 15:21:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3850 states and 4270 transitions. [2018-12-02 15:21:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 15:21:44,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-02 15:21:45,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 3866 states and 4285 transitions. [2018-12-02 15:21:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 4285 transitions. [2018-12-02 15:21:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 15:21:45,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-02 15:21:46,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:46,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 3880 states and 4298 transitions. [2018-12-02 15:21:46,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 4298 transitions. [2018-12-02 15:21:46,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 15:21:46,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-02 15:21:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:47,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4311 states to 3894 states and 4311 transitions. [2018-12-02 15:21:47,416 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 4311 transitions. [2018-12-02 15:21:47,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-02 15:21:47,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-02 15:21:51,260 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-02 15:21:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:21:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4354 states to 3930 states and 4354 transitions. [2018-12-02 15:21:59,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3930 states and 4354 transitions. [2018-12-02 15:21:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-02 15:21:59,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:21:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:21:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-02 15:22:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4360 states to 3936 states and 4360 transitions. [2018-12-02 15:22:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3936 states and 4360 transitions. [2018-12-02 15:22:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-02 15:22:00,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-02 15:22:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 3952 states and 4376 transitions. [2018-12-02 15:22:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4376 transitions. [2018-12-02 15:22:01,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-02 15:22:01,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-02 15:22:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 4030 states and 4456 transitions. [2018-12-02 15:22:03,133 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 4456 transitions. [2018-12-02 15:22:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-12-02 15:22:03,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 529 proven. 4 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-12-02 15:22:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4458 states to 4032 states and 4458 transitions. [2018-12-02 15:22:03,741 INFO L276 IsEmpty]: Start isEmpty. Operand 4032 states and 4458 transitions. [2018-12-02 15:22:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-02 15:22:03,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 558 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-02 15:22:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4500 states to 4073 states and 4500 transitions. [2018-12-02 15:22:10,369 INFO L276 IsEmpty]: Start isEmpty. Operand 4073 states and 4500 transitions. [2018-12-02 15:22:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-02 15:22:10,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 558 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-02 15:22:13,682 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-02 15:22:14,443 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 15:22:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4098 states and 4523 transitions. [2018-12-02 15:22:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4523 transitions. [2018-12-02 15:22:20,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-02 15:22:20,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-12-02 15:22:24,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:24,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4529 states to 4102 states and 4529 transitions. [2018-12-02 15:22:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 4102 states and 4529 transitions. [2018-12-02 15:22:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-02 15:22:24,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-12-02 15:22:25,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:25,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4603 states to 4176 states and 4603 transitions. [2018-12-02 15:22:25,167 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 4603 transitions. [2018-12-02 15:22:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-02 15:22:25,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 313 proven. 25 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2018-12-02 15:22:29,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4642 states to 4207 states and 4642 transitions. [2018-12-02 15:22:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 4207 states and 4642 transitions. [2018-12-02 15:22:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-02 15:22:29,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:29,480 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 313 proven. 25 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2018-12-02 15:22:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4671 states to 4232 states and 4671 transitions. [2018-12-02 15:22:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 4232 states and 4671 transitions. [2018-12-02 15:22:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-02 15:22:36,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 313 proven. 25 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2018-12-02 15:22:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4702 states to 4264 states and 4702 transitions. [2018-12-02 15:22:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 4264 states and 4702 transitions. [2018-12-02 15:22:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-02 15:22:38,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 313 proven. 25 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2018-12-02 15:22:39,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4723 states to 4285 states and 4723 transitions. [2018-12-02 15:22:39,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4285 states and 4723 transitions. [2018-12-02 15:22:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-02 15:22:39,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:39,405 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-02 15:22:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4751 states to 4314 states and 4751 transitions. [2018-12-02 15:22:39,573 INFO L276 IsEmpty]: Start isEmpty. Operand 4314 states and 4751 transitions. [2018-12-02 15:22:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-02 15:22:39,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-02 15:22:40,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:40,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4752 states to 4315 states and 4752 transitions. [2018-12-02 15:22:40,267 INFO L276 IsEmpty]: Start isEmpty. Operand 4315 states and 4752 transitions. [2018-12-02 15:22:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-02 15:22:40,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-02 15:22:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4752 states to 4316 states and 4752 transitions. [2018-12-02 15:22:40,895 INFO L276 IsEmpty]: Start isEmpty. Operand 4316 states and 4752 transitions. [2018-12-02 15:22:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-12-02 15:22:40,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:22:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:22:41,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 392 proven. 30 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2018-12-02 15:22:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:22:41,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 3903 states and 4289 transitions. [2018-12-02 15:22:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3903 states and 4289 transitions. [2018-12-02 15:22:41,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 15:22:41,504 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 207 iterations. [2018-12-02 15:22:41,509 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 15:22:41,715 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 43 [2018-12-02 15:22:41,852 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2018-12-02 15:22:42,183 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 47 [2018-12-02 15:22:42,415 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2018-12-02 15:22:42,584 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2018-12-02 15:22:42,696 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 20 [2018-12-02 15:22:42,835 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2018-12-02 15:22:43,011 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2018-12-02 15:22:43,307 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 47 [2018-12-02 15:22:43,572 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 47 [2018-12-02 15:22:43,750 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 20 [2018-12-02 15:22:44,240 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2018-12-02 15:22:44,442 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 20 [2018-12-02 15:22:44,626 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 20 [2018-12-02 15:22:44,805 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 20 [2018-12-02 15:22:44,937 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2018-12-02 15:22:45,060 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-12-02 15:22:45,334 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 47 [2018-12-02 15:22:45,462 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2018-12-02 15:22:45,587 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2018-12-02 15:22:45,939 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2018-12-02 15:22:46,070 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 20 [2018-12-02 15:22:46,253 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 20 [2018-12-02 15:22:46,384 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2018-12-02 15:22:46,565 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2018-12-02 15:22:46,676 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2018-12-02 15:22:46,842 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2018-12-02 15:22:46,942 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 20 [2018-12-02 15:22:47,184 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 20 [2018-12-02 15:22:47,332 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2018-12-02 15:22:47,486 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 20 [2018-12-02 15:22:47,718 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2018-12-02 15:22:47,967 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2018-12-02 15:22:48,118 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 50 [2018-12-02 15:22:48,398 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2018-12-02 15:22:48,629 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2018-12-02 15:22:48,846 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2018-12-02 15:22:48,982 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2018-12-02 15:22:49,107 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2018-12-02 15:22:49,366 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2018-12-02 15:22:49,512 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2018-12-02 15:22:49,652 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 20 [2018-12-02 15:22:49,940 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2018-12-02 15:22:50,137 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2018-12-02 15:22:50,380 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 20 [2018-12-02 15:22:50,827 WARN L180 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 47 [2018-12-02 15:22:50,989 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2018-12-02 15:22:51,155 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 20 [2018-12-02 15:22:51,332 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2018-12-02 15:22:51,578 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 20 [2018-12-02 15:22:51,843 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 43 [2018-12-02 15:22:52,063 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2018-12-02 15:22:52,172 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 20 [2018-12-02 15:22:52,293 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-12-02 15:22:52,464 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2018-12-02 15:22:52,662 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 20 [2018-12-02 15:22:52,806 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2018-12-02 15:22:52,950 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 50 [2018-12-02 15:22:53,093 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 20 [2018-12-02 15:22:53,194 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 20 [2018-12-02 15:22:53,325 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2018-12-02 15:22:53,325 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:22:53,327 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-02 15:22:53,332 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-02 15:22:53,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:22:53 ImpRootNode [2018-12-02 15:22:53,333 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 15:22:53,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:22:53,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:22:53,333 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:22:53,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:16:45" (3/4) ... [2018-12-02 15:22:53,336 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 15:22:53,346 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-02 15:22:53,347 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 15:22:53,347 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 15:22:53,348 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 15:22:53,408 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54fd39f9-5d17-4fb0-99e0-1c8c12021946/bin-2019/ukojak/witness.graphml [2018-12-02 15:22:53,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:22:53,408 INFO L168 Benchmark]: Toolchain (without parser) took 369920.22 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 954.5 MB in the beginning and 1.4 GB in the end (delta: -441.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-02 15:22:53,409 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:22:53,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-12-02 15:22:53,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.09 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. [2018-12-02 15:22:53,409 INFO L168 Benchmark]: Boogie Preprocessor took 28.63 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. [2018-12-02 15:22:53,409 INFO L168 Benchmark]: RCFGBuilder took 1084.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.3 MB in the end (delta: 216.4 MB). Peak memory consumption was 216.4 MB. Max. memory is 11.5 GB. [2018-12-02 15:22:53,410 INFO L168 Benchmark]: CodeCheck took 368332.26 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 904.3 MB in the beginning and 1.4 GB in the end (delta: -491.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-12-02 15:22:53,410 INFO L168 Benchmark]: Witness Printer took 74.95 ms. Allocated memory is still 2.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 7.2 kB). Peak memory consumption was 7.2 kB. Max. memory is 11.5 GB. [2018-12-02 15:22:53,411 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, 356.4s OverallTime, 207 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1115719680 SDtfs, 508511902 SDslu, -2096942560 SDs, 0 SdLazy, 799192034 SolverSat, -1228539144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1487.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 295901 GetRequests, 286985 SyntacticMatches, 7098 SemanticMatches, 1818 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2465097 ImplicationChecksByTransitivity, 318.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 30.3s InterpolantComputationTime, 45837 NumberOfCodeBlocks, 45837 NumberOfCodeBlocksAsserted, 206 NumberOfCheckSat, 45631 ConstructedInterpolants, 0 QuantifiedInterpolants, 49525173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 206 InterpolantComputations, 134 PerfectInterpolantSequences, 57408/58416 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: 466]: 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 && !(a17 == 9)) || (!(a11 == 1) && !(a28 == 9))) || (!(a19 == 1) && a11 == 1)) || a17 == 8 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a11 == 1 && !(a17 == 9)) || (!(a11 == 1) && !(a28 == 9))) || (!(a19 == 1) && a11 == 1)) || a17 == 8 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.09 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 28.63 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. * RCFGBuilder took 1084.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.3 MB in the end (delta: 216.4 MB). Peak memory consumption was 216.4 MB. Max. memory is 11.5 GB. * CodeCheck took 368332.26 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 904.3 MB in the beginning and 1.4 GB in the end (delta: -491.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 74.95 ms. Allocated memory is still 2.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 7.2 kB). Peak memory consumption was 7.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...