./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/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 c5fe2c6077c684b4b50af2f6570d6f5c736d513e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:55:03,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:55:03,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:55:03,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:55:03,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:55:03,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:55:03,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:55:03,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:55:03,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:55:03,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:55:03,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:55:03,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:55:03,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:55:03,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:55:03,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:55:03,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:55:03,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:55:03,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:55:03,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:55:03,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:55:03,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:55:03,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:55:03,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:55:03,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:55:03,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:55:03,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:55:03,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:55:03,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:55:03,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:55:03,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:55:03,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:55:03,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:55:03,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:55:03,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:55:03,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:55:03,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:55:03,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:55:03,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:55:03,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:55:03,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:55:03,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:55:03,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:55:03,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:55:03,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:55:03,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:55:03,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:55:03,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:55:03,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:55:03,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:55:03,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:55:03,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:55:03,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:55:03,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:55:03,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:55:03,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:55:03,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:55:03,939 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:55:03,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:55:03,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:55:03,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:55:03,940 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:55:03,942 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:55:03,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:55:03,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:55:03,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:55:03,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:55:03,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:55:03,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:55:03,946 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:55:03,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:55:03,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:55:03,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/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 -> c5fe2c6077c684b4b50af2f6570d6f5c736d513e [2019-11-20 10:55:04,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:55:04,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:55:04,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:55:04,108 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:55:04,109 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:55:04,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label24.c [2019-11-20 10:55:04,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/data/8acd4befe/da239d47c786467a965ad96b06abb3e5/FLAG1ccc45e96 [2019-11-20 10:55:04,701 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:55:04,702 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/sv-benchmarks/c/eca-rers2012/Problem01_label24.c [2019-11-20 10:55:04,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/data/8acd4befe/da239d47c786467a965ad96b06abb3e5/FLAG1ccc45e96 [2019-11-20 10:55:05,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/data/8acd4befe/da239d47c786467a965ad96b06abb3e5 [2019-11-20 10:55:05,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:55:05,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:55:05,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:55:05,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:55:05,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:55:05,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1771f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05, skipping insertion in model container [2019-11-20 10:55:05,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,194 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:55:05,239 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:55:05,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:55:05,651 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:55:05,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:55:05,809 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:55:05,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05 WrapperNode [2019-11-20 10:55:05,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:55:05,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:55:05,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:55:05,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:55:05,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:55:05,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:55:05,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:55:05,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:55:05,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05" (1/1) ... [2019-11-20 10:55:05,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:55:05,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:55:05,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:55:05,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:55:05,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/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 [2019-11-20 10:55:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:55:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:55:08,104 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:55:08,105 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:55:08,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:08 BoogieIcfgContainer [2019-11-20 10:55:08,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:55:08,107 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:55:08,107 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:55:08,117 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:55:08,118 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:08" (1/1) ... [2019-11-20 10:55:08,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:55:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:08,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-11-20 10:55:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-11-20 10:55:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 10:55:08,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2019-11-20 10:55:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2019-11-20 10:55:09,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:55:09,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:09,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:10,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 215 states and 314 transitions. [2019-11-20 10:55:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 314 transitions. [2019-11-20 10:55:10,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 10:55:10,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 220 states and 326 transitions. [2019-11-20 10:55:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 326 transitions. [2019-11-20 10:55:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:55:10,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 290 states and 404 transitions. [2019-11-20 10:55:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 404 transitions. [2019-11-20 10:55:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:55:11,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:11,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 293 states and 408 transitions. [2019-11-20 10:55:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 408 transitions. [2019-11-20 10:55:11,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 10:55:11,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:12,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 304 states and 428 transitions. [2019-11-20 10:55:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 428 transitions. [2019-11-20 10:55:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 10:55:12,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:12,554 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 308 states and 436 transitions. [2019-11-20 10:55:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 436 transitions. [2019-11-20 10:55:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 10:55:12,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:13,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 320 states and 458 transitions. [2019-11-20 10:55:13,647 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 458 transitions. [2019-11-20 10:55:13,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 10:55:13,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 334 states and 481 transitions. [2019-11-20 10:55:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 481 transitions. [2019-11-20 10:55:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 10:55:14,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:55:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 338 states and 487 transitions. [2019-11-20 10:55:15,199 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 487 transitions. [2019-11-20 10:55:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 10:55:15,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:15,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 342 states and 492 transitions. [2019-11-20 10:55:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 492 transitions. [2019-11-20 10:55:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 10:55:15,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:15,618 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:55:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:15,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 343 states and 494 transitions. [2019-11-20 10:55:15,815 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 494 transitions. [2019-11-20 10:55:15,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 10:55:15,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:55:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 346 states and 498 transitions. [2019-11-20 10:55:16,063 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 498 transitions. [2019-11-20 10:55:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 10:55:16,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:16,191 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:17,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:17,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 357 states and 512 transitions. [2019-11-20 10:55:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 512 transitions. [2019-11-20 10:55:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 10:55:17,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:55:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 370 states and 529 transitions. [2019-11-20 10:55:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 529 transitions. [2019-11-20 10:55:17,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-20 10:55:17,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:18,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:18,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 388 states and 553 transitions. [2019-11-20 10:55:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 553 transitions. [2019-11-20 10:55:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 10:55:18,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 398 states and 565 transitions. [2019-11-20 10:55:19,027 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 565 transitions. [2019-11-20 10:55:19,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 10:55:19,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 399 states and 566 transitions. [2019-11-20 10:55:19,079 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 566 transitions. [2019-11-20 10:55:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 10:55:19,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:55:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:19,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 406 states and 574 transitions. [2019-11-20 10:55:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 574 transitions. [2019-11-20 10:55:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 10:55:19,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:55:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:19,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 408 states and 575 transitions. [2019-11-20 10:55:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 575 transitions. [2019-11-20 10:55:19,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 10:55:19,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:20,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 423 states and 594 transitions. [2019-11-20 10:55:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 594 transitions. [2019-11-20 10:55:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 10:55:20,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:55:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 433 states and 608 transitions. [2019-11-20 10:55:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 608 transitions. [2019-11-20 10:55:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 10:55:20,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:20,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 434 states and 610 transitions. [2019-11-20 10:55:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 610 transitions. [2019-11-20 10:55:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 10:55:20,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 442 states and 619 transitions. [2019-11-20 10:55:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 619 transitions. [2019-11-20 10:55:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-20 10:55:21,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:21,537 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 443 states and 621 transitions. [2019-11-20 10:55:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 621 transitions. [2019-11-20 10:55:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 10:55:21,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:55:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 460 states and 639 transitions. [2019-11-20 10:55:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 639 transitions. [2019-11-20 10:55:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 10:55:22,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 10:55:22,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 461 states and 641 transitions. [2019-11-20 10:55:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 641 transitions. [2019-11-20 10:55:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 10:55:22,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:55:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 462 states and 643 transitions. [2019-11-20 10:55:22,954 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 643 transitions. [2019-11-20 10:55:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 10:55:22,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 10:55:23,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:23,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 464 states and 645 transitions. [2019-11-20 10:55:23,009 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 645 transitions. [2019-11-20 10:55:23,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 10:55:23,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 481 states and 664 transitions. [2019-11-20 10:55:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 664 transitions. [2019-11-20 10:55:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 10:55:23,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:55:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 486 states and 669 transitions. [2019-11-20 10:55:23,914 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 669 transitions. [2019-11-20 10:55:23,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 10:55:23,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:24,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 497 states and 680 transitions. [2019-11-20 10:55:24,360 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 680 transitions. [2019-11-20 10:55:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 10:55:24,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:24,389 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 10:55:24,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:24,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 502 states and 685 transitions. [2019-11-20 10:55:24,443 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 685 transitions. [2019-11-20 10:55:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 10:55:24,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:25,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 511 states and 694 transitions. [2019-11-20 10:55:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 694 transitions. [2019-11-20 10:55:25,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 10:55:25,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 515 states and 699 transitions. [2019-11-20 10:55:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 699 transitions. [2019-11-20 10:55:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 10:55:25,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:55:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 519 states and 704 transitions. [2019-11-20 10:55:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 704 transitions. [2019-11-20 10:55:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-20 10:55:25,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:55:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 527 states and 712 transitions. [2019-11-20 10:55:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 712 transitions. [2019-11-20 10:55:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 10:55:26,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:55:26,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:26,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 528 states and 713 transitions. [2019-11-20 10:55:26,074 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 713 transitions. [2019-11-20 10:55:26,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 10:55:26,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:55:26,795 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-11-20 10:55:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 559 states and 750 transitions. [2019-11-20 10:55:29,342 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 750 transitions. [2019-11-20 10:55:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 10:55:29,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 569 states and 769 transitions. [2019-11-20 10:55:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 769 transitions. [2019-11-20 10:55:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 10:55:31,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:32,038 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 572 states and 773 transitions. [2019-11-20 10:55:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 773 transitions. [2019-11-20 10:55:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 10:55:32,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 577 states and 779 transitions. [2019-11-20 10:55:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 779 transitions. [2019-11-20 10:55:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 10:55:33,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 591 states and 793 transitions. [2019-11-20 10:55:34,498 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 793 transitions. [2019-11-20 10:55:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 10:55:34,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:34,544 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:55:35,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:35,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 594 states and 798 transitions. [2019-11-20 10:55:35,076 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 798 transitions. [2019-11-20 10:55:35,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 10:55:35,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:55:36,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 611 states and 816 transitions. [2019-11-20 10:55:36,075 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 816 transitions. [2019-11-20 10:55:36,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 10:55:36,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:55:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 666 states and 875 transitions. [2019-11-20 10:55:41,675 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 875 transitions. [2019-11-20 10:55:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 10:55:41,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 10:55:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 712 states and 930 transitions. [2019-11-20 10:55:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 930 transitions. [2019-11-20 10:55:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 10:55:43,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 10:55:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:44,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 723 states and 943 transitions. [2019-11-20 10:55:44,471 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 943 transitions. [2019-11-20 10:55:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 10:55:44,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:55:44,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:44,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 732 states and 952 transitions. [2019-11-20 10:55:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 952 transitions. [2019-11-20 10:55:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 10:55:44,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:55:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 733 states and 953 transitions. [2019-11-20 10:55:44,656 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 953 transitions. [2019-11-20 10:55:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 10:55:44,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:55:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 746 states and 966 transitions. [2019-11-20 10:55:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 966 transitions. [2019-11-20 10:55:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 10:55:44,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:55:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:44,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 747 states and 967 transitions. [2019-11-20 10:55:44,876 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 967 transitions. [2019-11-20 10:55:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 10:55:44,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 10:55:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 816 states and 1037 transitions. [2019-11-20 10:55:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1037 transitions. [2019-11-20 10:55:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 10:55:46,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 862 states and 1097 transitions. [2019-11-20 10:55:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1097 transitions. [2019-11-20 10:55:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 10:55:50,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 868 states and 1108 transitions. [2019-11-20 10:55:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1108 transitions. [2019-11-20 10:55:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 10:55:51,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:52,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:52,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 877 states and 1116 transitions. [2019-11-20 10:55:52,515 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1116 transitions. [2019-11-20 10:55:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 10:55:52,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 880 states and 1120 transitions. [2019-11-20 10:55:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1120 transitions. [2019-11-20 10:55:53,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 10:55:53,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:55:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 894 states and 1135 transitions. [2019-11-20 10:55:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1135 transitions. [2019-11-20 10:55:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 10:55:53,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 10:55:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 899 states and 1140 transitions. [2019-11-20 10:55:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1140 transitions. [2019-11-20 10:55:53,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 10:55:53,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 912 states and 1161 transitions. [2019-11-20 10:55:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1161 transitions. [2019-11-20 10:55:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 10:55:55,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:55,714 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:56,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:56,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 915 states and 1167 transitions. [2019-11-20 10:55:56,124 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1167 transitions. [2019-11-20 10:55:56,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 10:55:56,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 924 states and 1176 transitions. [2019-11-20 10:55:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1176 transitions. [2019-11-20 10:55:56,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 10:55:56,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 926 states and 1178 transitions. [2019-11-20 10:55:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1178 transitions. [2019-11-20 10:55:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 10:55:57,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:58,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 931 states and 1184 transitions. [2019-11-20 10:55:58,015 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1184 transitions. [2019-11-20 10:55:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 10:55:58,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 935 states and 1188 transitions. [2019-11-20 10:55:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1188 transitions. [2019-11-20 10:55:58,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 10:55:58,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:58,603 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:55:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:59,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 940 states and 1193 transitions. [2019-11-20 10:55:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1193 transitions. [2019-11-20 10:55:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 10:55:59,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:00,226 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:56:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 960 states and 1222 transitions. [2019-11-20 10:56:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1222 transitions. [2019-11-20 10:56:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 10:56:03,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:56:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 964 states and 1228 transitions. [2019-11-20 10:56:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1228 transitions. [2019-11-20 10:56:04,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 10:56:04,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:56:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 983 states and 1250 transitions. [2019-11-20 10:56:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1250 transitions. [2019-11-20 10:56:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 10:56:06,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:56:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1042 states and 1325 transitions. [2019-11-20 10:56:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1325 transitions. [2019-11-20 10:56:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 10:56:11,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:11,211 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:56:14,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1066 states and 1355 transitions. [2019-11-20 10:56:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1355 transitions. [2019-11-20 10:56:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 10:56:14,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:56:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1072 states and 1363 transitions. [2019-11-20 10:56:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1363 transitions. [2019-11-20 10:56:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 10:56:15,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:56:16,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1077 states and 1368 transitions. [2019-11-20 10:56:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1368 transitions. [2019-11-20 10:56:16,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 10:56:16,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:56:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1106 states and 1409 transitions. [2019-11-20 10:56:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1409 transitions. [2019-11-20 10:56:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 10:56:18,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:56:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1109 states and 1415 transitions. [2019-11-20 10:56:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1415 transitions. [2019-11-20 10:56:18,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 10:56:18,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:56:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1116 states and 1422 transitions. [2019-11-20 10:56:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1422 transitions. [2019-11-20 10:56:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 10:56:19,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:56:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1120 states and 1427 transitions. [2019-11-20 10:56:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1427 transitions. [2019-11-20 10:56:20,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 10:56:20,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:20,880 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 10:56:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1124 states and 1431 transitions. [2019-11-20 10:56:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1431 transitions. [2019-11-20 10:56:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 10:56:21,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 10:56:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:26,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1154 states and 1469 transitions. [2019-11-20 10:56:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1469 transitions. [2019-11-20 10:56:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 10:56:26,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 10:56:34,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1202 states and 1524 transitions. [2019-11-20 10:56:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1524 transitions. [2019-11-20 10:56:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 10:56:34,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 10:56:36,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:36,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1204 states and 1525 transitions. [2019-11-20 10:56:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1525 transitions. [2019-11-20 10:56:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-20 10:56:36,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-20 10:56:38,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1233 states and 1558 transitions. [2019-11-20 10:56:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1558 transitions. [2019-11-20 10:56:38,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 10:56:38,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-20 10:56:38,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1237 states and 1563 transitions. [2019-11-20 10:56:38,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1563 transitions. [2019-11-20 10:56:38,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 10:56:38,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:56:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1271 states and 1607 transitions. [2019-11-20 10:56:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1607 transitions. [2019-11-20 10:56:48,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 10:56:48,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:56:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1272 states and 1611 transitions. [2019-11-20 10:56:49,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1611 transitions. [2019-11-20 10:56:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 10:56:49,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:49,460 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:56:51,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1277 states and 1615 transitions. [2019-11-20 10:56:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1615 transitions. [2019-11-20 10:56:51,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 10:56:51,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:56:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1280 states and 1619 transitions. [2019-11-20 10:56:53,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1619 transitions. [2019-11-20 10:56:53,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 10:56:53,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:54,604 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-20 10:56:58,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:58,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1301 states and 1644 transitions. [2019-11-20 10:56:58,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1644 transitions. [2019-11-20 10:56:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-20 10:56:58,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:57:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1315 states and 1660 transitions. [2019-11-20 10:57:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1660 transitions. [2019-11-20 10:57:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-11-20 10:57:00,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:02,496 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:57:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1328 states and 1674 transitions. [2019-11-20 10:57:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1674 transitions. [2019-11-20 10:57:06,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-11-20 10:57:06,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:57:07,084 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-11-20 10:57:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1331 states and 1678 transitions. [2019-11-20 10:57:07,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1678 transitions. [2019-11-20 10:57:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-11-20 10:57:07,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 10:57:07,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:07,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1332 states and 1678 transitions. [2019-11-20 10:57:07,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1678 transitions. [2019-11-20 10:57:07,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-20 10:57:07,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 10:57:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1336 states and 1685 transitions. [2019-11-20 10:57:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1685 transitions. [2019-11-20 10:57:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-11-20 10:57:08,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:08,945 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-11-20 10:57:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1340 states and 1689 transitions. [2019-11-20 10:57:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1689 transitions. [2019-11-20 10:57:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-11-20 10:57:09,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 298 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 10:57:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1349 states and 1707 transitions. [2019-11-20 10:57:12,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1707 transitions. [2019-11-20 10:57:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-11-20 10:57:12,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 298 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 10:57:14,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1358 states and 1725 transitions. [2019-11-20 10:57:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1725 transitions. [2019-11-20 10:57:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-11-20 10:57:14,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 298 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 10:57:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1361 states and 1730 transitions. [2019-11-20 10:57:15,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1730 transitions. [2019-11-20 10:57:15,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-11-20 10:57:15,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 298 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 10:57:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:16,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1364 states and 1735 transitions. [2019-11-20 10:57:16,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1735 transitions. [2019-11-20 10:57:16,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-20 10:57:16,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2019-11-20 10:57:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:17,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1373 states and 1749 transitions. [2019-11-20 10:57:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1749 transitions. [2019-11-20 10:57:17,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-11-20 10:57:17,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-11-20 10:57:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1402 states and 1777 transitions. [2019-11-20 10:57:20,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1777 transitions. [2019-11-20 10:57:20,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 10:57:20,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 10:57:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1528 states and 1939 transitions. [2019-11-20 10:57:40,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1939 transitions. [2019-11-20 10:57:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 10:57:40,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:40,897 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 10:57:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 1589 states and 2016 transitions. [2019-11-20 10:57:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2016 transitions. [2019-11-20 10:57:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 10:57:50,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 10:57:51,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1597 states and 2023 transitions. [2019-11-20 10:57:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2023 transitions. [2019-11-20 10:57:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-11-20 10:57:51,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2019-11-20 10:57:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:54,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1611 states and 2044 transitions. [2019-11-20 10:57:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 2044 transitions. [2019-11-20 10:57:54,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-11-20 10:57:54,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:57,690 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:58:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 1646 states and 2089 transitions. [2019-11-20 10:58:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2089 transitions. [2019-11-20 10:58:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-11-20 10:58:05,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:58:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:07,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1649 states and 2094 transitions. [2019-11-20 10:58:07,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2094 transitions. [2019-11-20 10:58:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-11-20 10:58:07,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:58:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 1660 states and 2105 transitions. [2019-11-20 10:58:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2105 transitions. [2019-11-20 10:58:09,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-11-20 10:58:09,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:58:14,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:14,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 1684 states and 2130 transitions. [2019-11-20 10:58:14,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2130 transitions. [2019-11-20 10:58:14,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-11-20 10:58:14,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:58:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 1689 states and 2134 transitions. [2019-11-20 10:58:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2134 transitions. [2019-11-20 10:58:15,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-11-20 10:58:15,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:16,838 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-11-20 10:58:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:26,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 1779 states and 2252 transitions. [2019-11-20 10:58:26,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2252 transitions. [2019-11-20 10:58:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-11-20 10:58:26,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:26,905 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-11-20 10:58:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1806 states and 2287 transitions. [2019-11-20 10:58:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2287 transitions. [2019-11-20 10:58:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-11-20 10:58:31,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-11-20 10:58:32,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:32,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1807 states and 2287 transitions. [2019-11-20 10:58:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2287 transitions. [2019-11-20 10:58:32,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-11-20 10:58:32,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 10:58:39,419 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-11-20 10:58:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:40,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 1823 states and 2309 transitions. [2019-11-20 10:58:40,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2309 transitions. [2019-11-20 10:58:40,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-11-20 10:58:40,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 10:58:46,347 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-11-20 10:58:47,204 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-11-20 10:58:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 1852 states and 2336 transitions. [2019-11-20 10:58:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2336 transitions. [2019-11-20 10:58:49,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-11-20 10:58:49,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 10:58:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 1863 states and 2346 transitions. [2019-11-20 10:58:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2346 transitions. [2019-11-20 10:58:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-11-20 10:58:51,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-11-20 10:59:00,390 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-11-20 10:59:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 1888 states and 2379 transitions. [2019-11-20 10:59:01,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2379 transitions. [2019-11-20 10:59:01,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-11-20 10:59:01,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-11-20 10:59:06,133 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-11-20 10:59:07,124 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-20 10:59:08,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 1898 states and 2390 transitions. [2019-11-20 10:59:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2390 transitions. [2019-11-20 10:59:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-11-20 10:59:08,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-11-20 10:59:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 1903 states and 2394 transitions. [2019-11-20 10:59:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2394 transitions. [2019-11-20 10:59:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-11-20 10:59:08,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-11-20 10:59:16,450 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-11-20 10:59:17,790 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-11-20 10:59:19,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 1933 states and 2427 transitions. [2019-11-20 10:59:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2427 transitions. [2019-11-20 10:59:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-11-20 10:59:19,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-11-20 10:59:23,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 1951 states and 2442 transitions. [2019-11-20 10:59:23,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2442 transitions. [2019-11-20 10:59:23,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-11-20 10:59:23,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-11-20 10:59:24,551 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-11-20 10:59:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:24,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 1951 states and 2441 transitions. [2019-11-20 10:59:24,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2441 transitions. [2019-11-20 10:59:24,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-11-20 10:59:24,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:24,732 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-11-20 10:59:28,257 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-11-20 10:59:32,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 1974 states and 2471 transitions. [2019-11-20 10:59:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2471 transitions. [2019-11-20 10:59:32,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-11-20 10:59:32,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-20 10:59:43,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:43,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2004 states and 2511 transitions. [2019-11-20 10:59:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2511 transitions. [2019-11-20 10:59:43,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-11-20 10:59:43,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:43,729 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-20 10:59:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2039 states and 2552 transitions. [2019-11-20 10:59:49,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2552 transitions. [2019-11-20 10:59:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-11-20 10:59:49,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:50,031 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-20 10:59:51,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:51,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2045 states and 2558 transitions. [2019-11-20 10:59:51,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2558 transitions. [2019-11-20 10:59:51,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-20 10:59:51,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-11-20 11:00:00,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2067 states and 2594 transitions. [2019-11-20 11:00:00,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2594 transitions. [2019-11-20 11:00:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-20 11:00:00,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-11-20 11:00:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2075 states and 2606 transitions. [2019-11-20 11:00:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2606 transitions. [2019-11-20 11:00:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-20 11:00:03,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-11-20 11:00:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2090 states and 2625 transitions. [2019-11-20 11:00:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2625 transitions. [2019-11-20 11:00:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-20 11:00:07,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:07,787 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-11-20 11:00:08,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2091 states and 2626 transitions. [2019-11-20 11:00:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2626 transitions. [2019-11-20 11:00:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-20 11:00:08,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-11-20 11:00:09,470 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-11-20 11:00:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:09,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2095 states and 2630 transitions. [2019-11-20 11:00:09,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2630 transitions. [2019-11-20 11:00:09,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-20 11:00:09,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-11-20 11:00:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2096 states and 2630 transitions. [2019-11-20 11:00:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2630 transitions. [2019-11-20 11:00:10,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2019-11-20 11:00:10,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-11-20 11:00:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2100 states and 2636 transitions. [2019-11-20 11:00:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2636 transitions. [2019-11-20 11:00:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-11-20 11:00:12,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-20 11:00:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:13,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2104 states and 2641 transitions. [2019-11-20 11:00:13,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2641 transitions. [2019-11-20 11:00:13,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-11-20 11:00:13,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2019-11-20 11:00:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2106 states and 2642 transitions. [2019-11-20 11:00:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2642 transitions. [2019-11-20 11:00:14,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-11-20 11:00:14,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2019-11-20 11:00:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2108 states and 2643 transitions. [2019-11-20 11:00:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2643 transitions. [2019-11-20 11:00:15,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2019-11-20 11:00:15,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-11-20 11:00:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2112 states and 2648 transitions. [2019-11-20 11:00:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2648 transitions. [2019-11-20 11:00:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 11:00:16,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 11:00:25,773 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-11-20 11:00:26,440 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-11-20 11:00:27,443 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-11-20 11:00:28,115 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-11-20 11:00:29,157 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-11-20 11:00:35,715 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 11:00:36,438 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 11:00:40,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2195 states and 2739 transitions. [2019-11-20 11:00:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2739 transitions. [2019-11-20 11:00:40,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 11:00:40,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 11:00:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2196 states and 2739 transitions. [2019-11-20 11:00:41,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2739 transitions. [2019-11-20 11:00:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 11:00:41,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 11:00:49,459 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-11-20 11:00:50,231 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-11-20 11:00:52,540 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-11-20 11:00:53,333 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 11:00:54,078 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 11:00:55,821 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-11-20 11:00:56,615 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-11-20 11:00:57,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:57,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2229 states and 2775 transitions. [2019-11-20 11:00:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2775 transitions. [2019-11-20 11:00:57,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 11:00:57,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 11:00:57,791 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-11-20 11:00:58,590 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-11-20 11:00:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:00:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2233 states and 2779 transitions. [2019-11-20 11:00:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2779 transitions. [2019-11-20 11:00:59,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 11:00:59,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:00:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:00:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 11:00:59,759 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-11-20 11:01:00,469 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-11-20 11:01:01,193 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-11-20 11:01:01,898 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-11-20 11:01:02,611 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 11:01:03,305 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-20 11:01:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:01:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 1995 states and 2504 transitions. [2019-11-20 11:01:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2504 transitions. [2019-11-20 11:01:05,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 11:01:05,207 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 142 iterations. [2019-11-20 11:01:05,216 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 11:01:05,467 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 48 [2019-11-20 11:01:05,692 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2019-11-20 11:01:06,031 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 49 [2019-11-20 11:01:06,500 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2019-11-20 11:01:06,811 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 49 [2019-11-20 11:01:07,202 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 49 [2019-11-20 11:01:07,630 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 36 [2019-11-20 11:01:08,005 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2019-11-20 11:01:08,346 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 49 [2019-11-20 11:01:08,476 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2019-11-20 11:01:08,605 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2019-11-20 11:01:08,899 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 36 [2019-11-20 11:01:09,156 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2019-11-20 11:01:09,513 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2019-11-20 11:01:09,662 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2019-11-20 11:01:10,021 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 48 [2019-11-20 11:01:10,358 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2019-11-20 11:01:10,503 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2019-11-20 11:01:10,848 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2019-11-20 11:01:11,074 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2019-11-20 11:01:11,418 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2019-11-20 11:01:11,612 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2019-11-20 11:01:11,919 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 49 [2019-11-20 11:01:12,206 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 48 [2019-11-20 11:01:12,350 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2019-11-20 11:01:12,544 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2019-11-20 11:01:12,757 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 45 [2019-11-20 11:01:12,941 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 45 [2019-11-20 11:01:13,090 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2019-11-20 11:01:13,311 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 48 [2019-11-20 11:01:13,432 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2019-11-20 11:01:13,622 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2019-11-20 11:01:13,805 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 45 [2019-11-20 11:01:13,922 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 37 [2019-11-20 11:01:14,101 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2019-11-20 11:01:14,372 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 48 [2019-11-20 11:01:14,510 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2019-11-20 11:01:14,861 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2019-11-20 11:01:15,131 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2019-11-20 11:01:15,401 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 48 [2019-11-20 11:01:15,786 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 49 [2019-11-20 11:01:16,064 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 48 [2019-11-20 11:01:16,239 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 45 [2019-11-20 11:01:16,372 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2019-11-20 11:01:16,655 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2019-11-20 11:01:17,067 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 36 [2019-11-20 11:01:17,194 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2019-11-20 11:01:17,389 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2019-11-20 11:01:17,560 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 45 [2019-11-20 11:01:17,829 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2019-11-20 11:01:18,180 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 48 [2019-11-20 11:01:18,521 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 49 [2019-11-20 11:01:19,508 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 81 [2019-11-20 11:01:19,704 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2019-11-20 11:01:19,928 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2019-11-20 11:01:20,120 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 48 [2019-11-20 11:01:20,724 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2019-11-20 11:01:20,863 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2019-11-20 11:01:21,170 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 49 [2019-11-20 11:01:21,477 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 49 [2019-11-20 11:01:21,741 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 48 [2019-11-20 11:01:22,068 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 46 [2019-11-20 11:01:22,068 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:01:22,071 INFO L569 CodeCheckObserver]: Invariant with dag size 36 [2019-11-20 11:01:22,081 INFO L569 CodeCheckObserver]: Invariant with dag size 36 [2019-11-20 11:01:22,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 11:01:22 ImpRootNode [2019-11-20 11:01:22,084 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 11:01:22,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:01:22,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:01:22,084 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:01:22,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:08" (3/4) ... [2019-11-20 11:01:22,095 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 11:01:22,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-11-20 11:01:22,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-11-20 11:01:22,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 11:01:22,287 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6000fabf-6c0e-4a90-a826-0e2576e09011/bin/ukojak/witness.graphml [2019-11-20 11:01:22,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:01:22,289 INFO L168 Benchmark]: Toolchain (without parser) took 377106.50 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 944.7 MB in the beginning and 3.9 GB in the end (delta: -3.0 GB). Peak memory consumption was 777.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:01:22,289 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:01:22,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:01:22,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.96 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 11:01:22,291 INFO L168 Benchmark]: Boogie Preprocessor took 77.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:01:22,291 INFO L168 Benchmark]: RCFGBuilder took 2121.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 888.3 MB in the end (delta: 212.0 MB). Peak memory consumption was 212.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:01:22,292 INFO L168 Benchmark]: CodeCheck took 373977.28 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 888.3 MB in the beginning and 3.9 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2019-11-20 11:01:22,292 INFO L168 Benchmark]: Witness Printer took 203.24 ms. Allocated memory is still 4.8 GB. Free memory was 3.9 GB in the beginning and 3.9 GB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 11:01:22,294 INFO L335 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, 76 locations, 1 error locations. Result: SAFE, OverallTime: 357.0s, OverallIterations: 142, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 207138064 SDtfs, 586021666 SDslu, 1353489440 SDs, 0 SdLazy, -1619120942 SolverSat, -1953048572 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 777.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178641 GetRequests, 171744 SyntacticMatches, 5127 SemanticMatches, 1770 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2109868 ImplicationChecksByTransitivity, 322.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 42.8s InterpolantComputationTime, 26619 NumberOfCodeBlocks, 26619 NumberOfCodeBlocksAsserted, 141 NumberOfCheckSat, 26478 ConstructedInterpolants, 0 QuantifiedInterpolants, 42319528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 141 InterpolantComputations, 117 PerfectInterpolantSequences, 31984/32157 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 470]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((a16 == 4 && a8 == 13) && a17 == 1) && a12 == 8) || !(a7 == 1)) || !(a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a16 == 6)) || ((((a21 <= 0 && a8 == 13) && a17 == 1) && a12 == 8) && a16 == 5)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a17 <= 0)) || ((((a12 == 8 && a17 <= 0) && a21 == 1) && 14 == a8) && a16 == 5) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((a16 == 4 && a8 == 13) && a17 == 1) && a12 == 8) || !(a7 == 1)) || !(a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a16 == 6)) || ((((a21 <= 0 && a8 == 13) && a17 == 1) && a12 == 8) && a16 == 5)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a17 <= 0)) || ((((a12 == 8 && a17 <= 0) && a21 == 1) && 14 == a8) && a16 == 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 626.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.96 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2121.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 888.3 MB in the end (delta: 212.0 MB). Peak memory consumption was 212.0 MB. Max. memory is 11.5 GB. * CodeCheck took 373977.28 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 888.3 MB in the beginning and 3.9 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 203.24 ms. Allocated memory is still 4.8 GB. Free memory was 3.9 GB in the beginning and 3.9 GB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...