./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label34.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label34.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/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 f01979d5da4d022026be8efd02bfc41090b6cbce .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 23:36:08,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 23:36:08,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 23:36:08,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 23:36:08,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 23:36:08,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 23:36:08,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 23:36:08,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 23:36:08,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 23:36:08,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 23:36:08,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 23:36:08,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 23:36:08,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 23:36:08,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 23:36:08,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 23:36:08,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 23:36:08,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 23:36:08,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 23:36:08,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 23:36:08,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 23:36:08,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 23:36:08,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 23:36:08,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 23:36:08,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 23:36:08,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 23:36:08,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 23:36:08,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 23:36:08,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 23:36:08,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 23:36:08,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 23:36:08,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 23:36:08,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 23:36:08,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 23:36:08,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 23:36:08,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 23:36:08,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 23:36:08,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 23:36:08,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 23:36:08,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 23:36:08,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 23:36:08,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 23:36:08,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 23:36:08,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 23:36:08,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 23:36:08,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 23:36:08,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 23:36:08,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 23:36:08,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 23:36:08,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 23:36:08,097 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 23:36:08,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 23:36:08,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 23:36:08,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 23:36:08,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 23:36:08,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 23:36:08,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 23:36:08,098 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 23:36:08,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 23:36:08,098 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 23:36:08,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 23:36:08,099 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 23:36:08,099 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 23:36:08,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 23:36:08,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 23:36:08,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 23:36:08,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 23:36:08,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 23:36:08,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 23:36:08,100 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 23:36:08,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 23:36:08,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 23:36:08,101 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_9ed92829-5564-431c-bf31-10cad8c63d5e/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 -> f01979d5da4d022026be8efd02bfc41090b6cbce [2019-12-01 23:36:08,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 23:36:08,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 23:36:08,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 23:36:08,219 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 23:36:08,219 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 23:36:08,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label34.c [2019-12-01 23:36:08,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/data/f8e6780ad/26617cfb506f46668d6002bc544045af/FLAG831fc76e1 [2019-12-01 23:36:08,624 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 23:36:08,624 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/sv-benchmarks/c/eca-rers2012/Problem01_label34.c [2019-12-01 23:36:08,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/data/f8e6780ad/26617cfb506f46668d6002bc544045af/FLAG831fc76e1 [2019-12-01 23:36:08,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/data/f8e6780ad/26617cfb506f46668d6002bc544045af [2019-12-01 23:36:08,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 23:36:08,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 23:36:08,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 23:36:08,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 23:36:08,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 23:36:08,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:08,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aaa2f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08, skipping insertion in model container [2019-12-01 23:36:08,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:08,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 23:36:08,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 23:36:08,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:36:08,931 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 23:36:08,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:36:08,993 INFO L208 MainTranslator]: Completed translation [2019-12-01 23:36:08,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08 WrapperNode [2019-12-01 23:36:08,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 23:36:08,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 23:36:08,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 23:36:08,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 23:36:08,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:09,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:09,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 23:36:09,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 23:36:09,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 23:36:09,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 23:36:09,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:09,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:09,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:09,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:09,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:09,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:09,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08" (1/1) ... [2019-12-01 23:36:09,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 23:36:09,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 23:36:09,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 23:36:09,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 23:36:09,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/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 [2019-12-01 23:36:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 23:36:09,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 23:36:10,208 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 23:36:10,208 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 23:36:10,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:36:10 BoogieIcfgContainer [2019-12-01 23:36:10,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 23:36:10,210 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 23:36:10,210 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 23:36:10,220 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 23:36:10,220 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:36:10" (1/1) ... [2019-12-01 23:36:10,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 23:36:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-12-01 23:36:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-12-01 23:36:10,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 23:36:10,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2019-12-01 23:36:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2019-12-01 23:36:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 23:36:10,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:10,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2019-12-01 23:36:11,121 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2019-12-01 23:36:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 23:36:11,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2019-12-01 23:36:11,236 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2019-12-01 23:36:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 23:36:11,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:11,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:11,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:11,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2019-12-01 23:36:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2019-12-01 23:36:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 23:36:11,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:11,470 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:11,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:11,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2019-12-01 23:36:11,510 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2019-12-01 23:36:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 23:36:11,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:36:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:11,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2019-12-01 23:36:11,932 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2019-12-01 23:36:11,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 23:36:11,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:12,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2019-12-01 23:36:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2019-12-01 23:36:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 23:36:12,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:13,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2019-12-01 23:36:13,002 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2019-12-01 23:36:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 23:36:13,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:13,033 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:13,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:13,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2019-12-01 23:36:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2019-12-01 23:36:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 23:36:13,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:13,410 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2019-12-01 23:36:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2019-12-01 23:36:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 23:36:13,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:14,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2019-12-01 23:36:14,228 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2019-12-01 23:36:14,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 23:36:14,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2019-12-01 23:36:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2019-12-01 23:36:14,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 23:36:14,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:14,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 232 states and 375 transitions. [2019-12-01 23:36:14,729 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 375 transitions. [2019-12-01 23:36:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 23:36:14,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 235 states and 377 transitions. [2019-12-01 23:36:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2019-12-01 23:36:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 23:36:14,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:15,056 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:36:15,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:15,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 249 states and 400 transitions. [2019-12-01 23:36:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 400 transitions. [2019-12-01 23:36:15,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 23:36:15,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:36:16,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 250 states and 401 transitions. [2019-12-01 23:36:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 401 transitions. [2019-12-01 23:36:16,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 23:36:16,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 267 states and 421 transitions. [2019-12-01 23:36:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 421 transitions. [2019-12-01 23:36:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 23:36:16,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:36:16,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2019-12-01 23:36:16,630 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2019-12-01 23:36:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 23:36:16,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:16,646 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:36:16,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:16,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 282 states and 440 transitions. [2019-12-01 23:36:16,784 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 440 transitions. [2019-12-01 23:36:16,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 23:36:16,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:36:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2019-12-01 23:36:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2019-12-01 23:36:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 23:36:16,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:17,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 294 states and 456 transitions. [2019-12-01 23:36:17,122 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 456 transitions. [2019-12-01 23:36:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-01 23:36:17,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:18,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 321 states and 493 transitions. [2019-12-01 23:36:18,540 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 493 transitions. [2019-12-01 23:36:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 23:36:18,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:18,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 330 states and 501 transitions. [2019-12-01 23:36:18,825 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 501 transitions. [2019-12-01 23:36:18,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 23:36:18,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:36:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 334 states and 505 transitions. [2019-12-01 23:36:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 505 transitions. [2019-12-01 23:36:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 23:36:18,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:36:19,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 338 states and 509 transitions. [2019-12-01 23:36:19,133 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 509 transitions. [2019-12-01 23:36:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 23:36:19,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:19,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 353 states and 526 transitions. [2019-12-01 23:36:19,650 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 526 transitions. [2019-12-01 23:36:19,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 23:36:19,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:19,695 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:19,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 356 states and 529 transitions. [2019-12-01 23:36:19,844 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 529 transitions. [2019-12-01 23:36:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 23:36:19,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:19,868 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:36:19,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 358 states and 531 transitions. [2019-12-01 23:36:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 531 transitions. [2019-12-01 23:36:19,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 23:36:19,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:36:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 384 states and 565 transitions. [2019-12-01 23:36:21,118 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 565 transitions. [2019-12-01 23:36:21,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 23:36:21,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 454 states and 640 transitions. [2019-12-01 23:36:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 640 transitions. [2019-12-01 23:36:21,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-01 23:36:21,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 459 states and 646 transitions. [2019-12-01 23:36:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 646 transitions. [2019-12-01 23:36:22,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 23:36:22,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 23:36:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:23,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 483 states and 678 transitions. [2019-12-01 23:36:23,740 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 678 transitions. [2019-12-01 23:36:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 23:36:23,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 23:36:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 486 states and 682 transitions. [2019-12-01 23:36:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 682 transitions. [2019-12-01 23:36:24,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 23:36:24,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:24,143 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 23:36:24,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 494 states and 690 transitions. [2019-12-01 23:36:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 690 transitions. [2019-12-01 23:36:24,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 23:36:24,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 23:36:24,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 497 states and 694 transitions. [2019-12-01 23:36:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 694 transitions. [2019-12-01 23:36:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 23:36:24,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:36:25,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 511 states and 713 transitions. [2019-12-01 23:36:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 713 transitions. [2019-12-01 23:36:25,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 23:36:25,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:26,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 530 states and 745 transitions. [2019-12-01 23:36:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 745 transitions. [2019-12-01 23:36:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 23:36:26,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:26,775 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 540 states and 758 transitions. [2019-12-01 23:36:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 758 transitions. [2019-12-01 23:36:27,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 23:36:27,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:27,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 550 states and 770 transitions. [2019-12-01 23:36:27,935 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 770 transitions. [2019-12-01 23:36:27,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 23:36:27,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 552 states and 772 transitions. [2019-12-01 23:36:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 772 transitions. [2019-12-01 23:36:28,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 23:36:28,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 553 states and 776 transitions. [2019-12-01 23:36:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 776 transitions. [2019-12-01 23:36:28,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 23:36:28,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 554 states and 779 transitions. [2019-12-01 23:36:28,634 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 779 transitions. [2019-12-01 23:36:28,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 23:36:28,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 23:36:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 563 states and 790 transitions. [2019-12-01 23:36:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 790 transitions. [2019-12-01 23:36:28,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 23:36:28,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 572 states and 801 transitions. [2019-12-01 23:36:29,159 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 801 transitions. [2019-12-01 23:36:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 23:36:29,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 575 states and 806 transitions. [2019-12-01 23:36:29,673 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 806 transitions. [2019-12-01 23:36:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 23:36:29,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 588 states and 824 transitions. [2019-12-01 23:36:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 824 transitions. [2019-12-01 23:36:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-01 23:36:31,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:36:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 592 states and 829 transitions. [2019-12-01 23:36:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2019-12-01 23:36:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-01 23:36:33,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:36:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 599 states and 835 transitions. [2019-12-01 23:36:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 835 transitions. [2019-12-01 23:36:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-01 23:36:33,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:33,464 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 613 states and 863 transitions. [2019-12-01 23:36:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 863 transitions. [2019-12-01 23:36:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 23:36:35,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 615 states and 866 transitions. [2019-12-01 23:36:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 866 transitions. [2019-12-01 23:36:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 23:36:35,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 625 states and 876 transitions. [2019-12-01 23:36:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 876 transitions. [2019-12-01 23:36:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 23:36:36,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:37,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 640 states and 899 transitions. [2019-12-01 23:36:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 899 transitions. [2019-12-01 23:36:37,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 23:36:37,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:37,740 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:38,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 647 states and 908 transitions. [2019-12-01 23:36:38,825 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 908 transitions. [2019-12-01 23:36:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 23:36:38,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:36:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 648 states and 909 transitions. [2019-12-01 23:36:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 909 transitions. [2019-12-01 23:36:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 23:36:38,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:36:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 650 states and 910 transitions. [2019-12-01 23:36:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 910 transitions. [2019-12-01 23:36:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-12-01 23:36:39,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:39,161 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:36:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 651 states and 912 transitions. [2019-12-01 23:36:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 912 transitions. [2019-12-01 23:36:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 23:36:39,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:36:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:39,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 653 states and 916 transitions. [2019-12-01 23:36:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 916 transitions. [2019-12-01 23:36:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 23:36:39,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:36:39,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 654 states and 916 transitions. [2019-12-01 23:36:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 916 transitions. [2019-12-01 23:36:39,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 23:36:39,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 23:36:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 665 states and 930 transitions. [2019-12-01 23:36:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 930 transitions. [2019-12-01 23:36:40,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 23:36:40,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 672 states and 938 transitions. [2019-12-01 23:36:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 938 transitions. [2019-12-01 23:36:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 23:36:40,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:41,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:41,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 688 states and 958 transitions. [2019-12-01 23:36:41,135 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 958 transitions. [2019-12-01 23:36:41,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 23:36:41,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:41,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 690 states and 960 transitions. [2019-12-01 23:36:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 960 transitions. [2019-12-01 23:36:41,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 23:36:41,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:43,008 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2019-12-01 23:36:45,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:45,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 735 states and 1007 transitions. [2019-12-01 23:36:45,997 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1007 transitions. [2019-12-01 23:36:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-01 23:36:45,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:47,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 748 states and 1029 transitions. [2019-12-01 23:36:47,124 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1029 transitions. [2019-12-01 23:36:47,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:36:47,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 752 states and 1032 transitions. [2019-12-01 23:36:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1032 transitions. [2019-12-01 23:36:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:36:47,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:50,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 793 states and 1093 transitions. [2019-12-01 23:36:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1093 transitions. [2019-12-01 23:36:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:36:50,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 810 states and 1117 transitions. [2019-12-01 23:36:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1117 transitions. [2019-12-01 23:36:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:36:51,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:54,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 823 states and 1129 transitions. [2019-12-01 23:36:54,314 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1129 transitions. [2019-12-01 23:36:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:36:54,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:55,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 826 states and 1133 transitions. [2019-12-01 23:36:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1133 transitions. [2019-12-01 23:36:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:36:55,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:58,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 846 states and 1153 transitions. [2019-12-01 23:36:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1153 transitions. [2019-12-01 23:36:58,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:36:58,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:58,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:58,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 847 states and 1155 transitions. [2019-12-01 23:36:58,441 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1155 transitions. [2019-12-01 23:36:58,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:36:58,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:58,474 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 856 states and 1163 transitions. [2019-12-01 23:36:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1163 transitions. [2019-12-01 23:36:58,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:36:58,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:59,544 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-12-01 23:37:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:37:01,101 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-12-01 23:37:02,100 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-12-01 23:37:07,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 921 states and 1229 transitions. [2019-12-01 23:37:07,972 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1229 transitions. [2019-12-01 23:37:07,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 23:37:07,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:37:13,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 946 states and 1262 transitions. [2019-12-01 23:37:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1262 transitions. [2019-12-01 23:37:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 23:37:13,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:13,795 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:37:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:16,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 961 states and 1279 transitions. [2019-12-01 23:37:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1279 transitions. [2019-12-01 23:37:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 23:37:16,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:16,450 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:37:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:17,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 963 states and 1281 transitions. [2019-12-01 23:37:17,112 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1281 transitions. [2019-12-01 23:37:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-01 23:37:17,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-01 23:37:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 965 states and 1284 transitions. [2019-12-01 23:37:17,732 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1284 transitions. [2019-12-01 23:37:17,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 23:37:17,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:37:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 972 states and 1294 transitions. [2019-12-01 23:37:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1294 transitions. [2019-12-01 23:37:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 23:37:17,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:37:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 976 states and 1297 transitions. [2019-12-01 23:37:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1297 transitions. [2019-12-01 23:37:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 23:37:18,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:37:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 981 states and 1305 transitions. [2019-12-01 23:37:18,942 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1305 transitions. [2019-12-01 23:37:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 23:37:18,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:18,968 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:37:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:19,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 982 states and 1305 transitions. [2019-12-01 23:37:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1305 transitions. [2019-12-01 23:37:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:37:19,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 23:37:23,181 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-12-01 23:37:23,437 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2019-12-01 23:37:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1049 states and 1381 transitions. [2019-12-01 23:37:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1381 transitions. [2019-12-01 23:37:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:37:27,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 23:37:33,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1068 states and 1403 transitions. [2019-12-01 23:37:33,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1403 transitions. [2019-12-01 23:37:33,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:37:33,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 23:37:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1069 states and 1403 transitions. [2019-12-01 23:37:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1403 transitions. [2019-12-01 23:37:33,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:37:33,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 23:37:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1071 states and 1405 transitions. [2019-12-01 23:37:34,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1405 transitions. [2019-12-01 23:37:34,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:37:34,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:37:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1101 states and 1447 transitions. [2019-12-01 23:37:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1447 transitions. [2019-12-01 23:37:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:37:37,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:37:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1118 states and 1465 transitions. [2019-12-01 23:37:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1465 transitions. [2019-12-01 23:37:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:37:39,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:37:40,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1137 states and 1482 transitions. [2019-12-01 23:37:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1482 transitions. [2019-12-01 23:37:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:37:40,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:37:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:40,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1145 states and 1489 transitions. [2019-12-01 23:37:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1489 transitions. [2019-12-01 23:37:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 23:37:40,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:37:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1150 states and 1496 transitions. [2019-12-01 23:37:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1496 transitions. [2019-12-01 23:37:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 23:37:41,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:37:43,556 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2019-12-01 23:37:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1208 states and 1558 transitions. [2019-12-01 23:37:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1558 transitions. [2019-12-01 23:37:44,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 23:37:44,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:37:45,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1217 states and 1565 transitions. [2019-12-01 23:37:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1565 transitions. [2019-12-01 23:37:45,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 23:37:45,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:37:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1219 states and 1566 transitions. [2019-12-01 23:37:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1566 transitions. [2019-12-01 23:37:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 23:37:46,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:37:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1231 states and 1582 transitions. [2019-12-01 23:37:47,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1582 transitions. [2019-12-01 23:37:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 23:37:47,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:37:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1253 states and 1607 transitions. [2019-12-01 23:37:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1607 transitions. [2019-12-01 23:37:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-01 23:37:49,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:49,770 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-01 23:37:50,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1259 states and 1611 transitions. [2019-12-01 23:37:50,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1611 transitions. [2019-12-01 23:37:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 23:37:50,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-01 23:37:52,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:52,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1273 states and 1629 transitions. [2019-12-01 23:37:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1629 transitions. [2019-12-01 23:37:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 23:37:52,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:37:54,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1282 states and 1638 transitions. [2019-12-01 23:37:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1638 transitions. [2019-12-01 23:37:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 23:37:54,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 23:37:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1302 states and 1664 transitions. [2019-12-01 23:37:58,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1664 transitions. [2019-12-01 23:37:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 23:37:58,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 23:37:59,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:59,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1313 states and 1676 transitions. [2019-12-01 23:37:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1676 transitions. [2019-12-01 23:37:59,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 23:37:59,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:38:00,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:00,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1325 states and 1697 transitions. [2019-12-01 23:38:00,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1697 transitions. [2019-12-01 23:38:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 23:38:00,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:38:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1331 states and 1707 transitions. [2019-12-01 23:38:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1707 transitions. [2019-12-01 23:38:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 23:38:01,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:01,491 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 23:38:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:01,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1334 states and 1709 transitions. [2019-12-01 23:38:01,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1709 transitions. [2019-12-01 23:38:01,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 23:38:01,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:01,639 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:38:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1348 states and 1732 transitions. [2019-12-01 23:38:02,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1732 transitions. [2019-12-01 23:38:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 23:38:02,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:38:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1358 states and 1741 transitions. [2019-12-01 23:38:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1741 transitions. [2019-12-01 23:38:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 23:38:03,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:03,116 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-12-01 23:38:03,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1362 states and 1747 transitions. [2019-12-01 23:38:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1747 transitions. [2019-12-01 23:38:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 23:38:03,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:03,860 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-12-01 23:38:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:04,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1368 states and 1755 transitions. [2019-12-01 23:38:04,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1755 transitions. [2019-12-01 23:38:04,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 23:38:04,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-12-01 23:38:06,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1377 states and 1764 transitions. [2019-12-01 23:38:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1764 transitions. [2019-12-01 23:38:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 23:38:06,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:38:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1388 states and 1775 transitions. [2019-12-01 23:38:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1775 transitions. [2019-12-01 23:38:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-01 23:38:07,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:38:12,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:12,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1430 states and 1835 transitions. [2019-12-01 23:38:12,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1835 transitions. [2019-12-01 23:38:12,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-01 23:38:12,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:38:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1434 states and 1844 transitions. [2019-12-01 23:38:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1844 transitions. [2019-12-01 23:38:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 23:38:12,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:12,675 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 23:38:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:12,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1442 states and 1851 transitions. [2019-12-01 23:38:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1851 transitions. [2019-12-01 23:38:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-01 23:38:12,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 23:38:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:13,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1447 states and 1856 transitions. [2019-12-01 23:38:13,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1856 transitions. [2019-12-01 23:38:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-01 23:38:13,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 23:38:13,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1451 states and 1859 transitions. [2019-12-01 23:38:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1859 transitions. [2019-12-01 23:38:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 23:38:13,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:14,774 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-12-01 23:38:16,469 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2019-12-01 23:38:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 23:38:22,415 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 23:38:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1503 states and 1913 transitions. [2019-12-01 23:38:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1913 transitions. [2019-12-01 23:38:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 23:38:24,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 23:38:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:25,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1514 states and 1924 transitions. [2019-12-01 23:38:25,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1924 transitions. [2019-12-01 23:38:25,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 23:38:25,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 23:38:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:25,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1515 states and 1925 transitions. [2019-12-01 23:38:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1925 transitions. [2019-12-01 23:38:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 23:38:25,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:25,937 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:38:28,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1534 states and 1947 transitions. [2019-12-01 23:38:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1947 transitions. [2019-12-01 23:38:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 23:38:28,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:28,871 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:38:29,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:29,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1540 states and 1955 transitions. [2019-12-01 23:38:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1955 transitions. [2019-12-01 23:38:29,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 23:38:29,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:29,324 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:38:29,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1541 states and 1956 transitions. [2019-12-01 23:38:29,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1956 transitions. [2019-12-01 23:38:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 23:38:29,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:38:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1551 states and 1965 transitions. [2019-12-01 23:38:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1965 transitions. [2019-12-01 23:38:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 23:38:31,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:38:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1566 states and 1979 transitions. [2019-12-01 23:38:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1979 transitions. [2019-12-01 23:38:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 23:38:32,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 23:38:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:34,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1576 states and 1989 transitions. [2019-12-01 23:38:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1989 transitions. [2019-12-01 23:38:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 23:38:34,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-12-01 23:38:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1586 states and 2001 transitions. [2019-12-01 23:38:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2001 transitions. [2019-12-01 23:38:34,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-12-01 23:38:34,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-12-01 23:38:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1591 states and 2006 transitions. [2019-12-01 23:38:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2006 transitions. [2019-12-01 23:38:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 23:38:38,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-01 23:38:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1628 states and 2045 transitions. [2019-12-01 23:38:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2045 transitions. [2019-12-01 23:38:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 23:38:40,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:42,529 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-01 23:38:43,641 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-12-01 23:38:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:38:48,298 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-12-01 23:38:49,974 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-12-01 23:38:57,572 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-12-01 23:38:59,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:59,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 1685 states and 2109 transitions. [2019-12-01 23:38:59,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2109 transitions. [2019-12-01 23:38:59,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 23:38:59,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:39:02,872 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 23:39:04,078 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 23:39:05,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1731 states and 2156 transitions. [2019-12-01 23:39:05,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2156 transitions. [2019-12-01 23:39:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 23:39:05,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:39:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:06,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1734 states and 2159 transitions. [2019-12-01 23:39:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2159 transitions. [2019-12-01 23:39:06,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 23:39:06,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-12-01 23:39:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1738 states and 2164 transitions. [2019-12-01 23:39:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2164 transitions. [2019-12-01 23:39:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 23:39:06,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-12-01 23:39:07,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:07,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1741 states and 2167 transitions. [2019-12-01 23:39:07,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2167 transitions. [2019-12-01 23:39:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 23:39:07,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:39:10,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1776 states and 2206 transitions. [2019-12-01 23:39:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2206 transitions. [2019-12-01 23:39:10,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 23:39:10,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:39:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1780 states and 2210 transitions. [2019-12-01 23:39:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2210 transitions. [2019-12-01 23:39:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 23:39:11,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:39:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1791 states and 2220 transitions. [2019-12-01 23:39:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2220 transitions. [2019-12-01 23:39:12,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-12-01 23:39:12,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:39:12,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1792 states and 2220 transitions. [2019-12-01 23:39:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2220 transitions. [2019-12-01 23:39:12,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 23:39:12,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 23:39:22,359 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-12-01 23:39:24,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1814 states and 2245 transitions. [2019-12-01 23:39:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2245 transitions. [2019-12-01 23:39:24,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 23:39:24,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 23:39:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1819 states and 2254 transitions. [2019-12-01 23:39:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2254 transitions. [2019-12-01 23:39:26,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-12-01 23:39:26,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:26,356 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 23:39:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 1830 states and 2267 transitions. [2019-12-01 23:39:26,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2267 transitions. [2019-12-01 23:39:26,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-12-01 23:39:26,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 23:39:26,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 1838 states and 2273 transitions. [2019-12-01 23:39:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2273 transitions. [2019-12-01 23:39:26,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 23:39:26,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-12-01 23:39:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 1839 states and 2273 transitions. [2019-12-01 23:39:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2273 transitions. [2019-12-01 23:39:27,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 23:39:27,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-12-01 23:39:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:28,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 1844 states and 2278 transitions. [2019-12-01 23:39:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2278 transitions. [2019-12-01 23:39:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 23:39:28,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-12-01 23:39:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1852 states and 2285 transitions. [2019-12-01 23:39:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2285 transitions. [2019-12-01 23:39:31,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 23:39:31,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 23:39:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:38,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 1878 states and 2321 transitions. [2019-12-01 23:39:38,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2321 transitions. [2019-12-01 23:39:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 23:39:38,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:38,345 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 23:39:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 1889 states and 2330 transitions. [2019-12-01 23:39:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2330 transitions. [2019-12-01 23:39:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 23:39:41,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-12-01 23:39:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:41,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 1890 states and 2330 transitions. [2019-12-01 23:39:41,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2330 transitions. [2019-12-01 23:39:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 23:39:41,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:41,553 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2019-12-01 23:39:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 1894 states and 2335 transitions. [2019-12-01 23:39:42,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2335 transitions. [2019-12-01 23:39:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 23:39:42,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-12-01 23:39:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 1914 states and 2359 transitions. [2019-12-01 23:39:43,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2359 transitions. [2019-12-01 23:39:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-12-01 23:39:43,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-12-01 23:39:44,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:44,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 1919 states and 2365 transitions. [2019-12-01 23:39:44,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2365 transitions. [2019-12-01 23:39:44,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 23:39:44,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 23:39:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 1992 states and 2449 transitions. [2019-12-01 23:39:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2449 transitions. [2019-12-01 23:39:51,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 23:39:51,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 23:39:53,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2002 states and 2457 transitions. [2019-12-01 23:39:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2457 transitions. [2019-12-01 23:39:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-12-01 23:39:53,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:53,198 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 23:39:54,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:54,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2006 states and 2462 transitions. [2019-12-01 23:39:54,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2462 transitions. [2019-12-01 23:39:54,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-12-01 23:39:54,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-12-01 23:39:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2032 states and 2498 transitions. [2019-12-01 23:39:59,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2498 transitions. [2019-12-01 23:39:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-12-01 23:39:59,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-12-01 23:40:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:02,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2107 states and 2583 transitions. [2019-12-01 23:40:02,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2583 transitions. [2019-12-01 23:40:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-12-01 23:40:02,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-01 23:40:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2108 states and 2583 transitions. [2019-12-01 23:40:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2583 transitions. [2019-12-01 23:40:02,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-12-01 23:40:02,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-12-01 23:40:10,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:10,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2121 states and 2605 transitions. [2019-12-01 23:40:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2605 transitions. [2019-12-01 23:40:10,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:40:10,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:40:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2126 states and 2611 transitions. [2019-12-01 23:40:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2611 transitions. [2019-12-01 23:40:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:40:11,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:40:15,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2135 states and 2621 transitions. [2019-12-01 23:40:15,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2621 transitions. [2019-12-01 23:40:15,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:40:15,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:40:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2138 states and 2623 transitions. [2019-12-01 23:40:15,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2623 transitions. [2019-12-01 23:40:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 23:40:15,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 23:40:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:16,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2141 states and 2625 transitions. [2019-12-01 23:40:16,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2625 transitions. [2019-12-01 23:40:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-12-01 23:40:16,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 440 proven. 4 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2019-12-01 23:40:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2145 states and 2631 transitions. [2019-12-01 23:40:17,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2631 transitions. [2019-12-01 23:40:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-12-01 23:40:17,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:17,227 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 393 proven. 4 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 23:40:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2164 states and 2659 transitions. [2019-12-01 23:40:23,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 2659 transitions. [2019-12-01 23:40:23,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-12-01 23:40:23,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:24,025 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 23:40:28,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:28,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2190 states and 2691 transitions. [2019-12-01 23:40:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2691 transitions. [2019-12-01 23:40:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-12-01 23:40:28,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 23:40:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2198 states and 2698 transitions. [2019-12-01 23:40:29,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2698 transitions. [2019-12-01 23:40:29,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-12-01 23:40:29,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:29,992 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 23:40:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2202 states and 2702 transitions. [2019-12-01 23:40:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2702 transitions. [2019-12-01 23:40:30,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-12-01 23:40:30,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 23:40:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:33,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2213 states and 2714 transitions. [2019-12-01 23:40:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2714 transitions. [2019-12-01 23:40:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-12-01 23:40:33,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 23:40:34,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2218 states and 2719 transitions. [2019-12-01 23:40:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2719 transitions. [2019-12-01 23:40:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-12-01 23:40:34,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 23:40:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2222 states and 2722 transitions. [2019-12-01 23:40:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 2722 transitions. [2019-12-01 23:40:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 23:40:36,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:40,673 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-12-01 23:40:42,021 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2019-12-01 23:40:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-12-01 23:40:45,094 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-12-01 23:40:47,933 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 23:40:49,873 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-12-01 23:40:50,390 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 23:40:51,617 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 23:40:52,677 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-12-01 23:40:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2246 states and 2752 transitions. [2019-12-01 23:40:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2752 transitions. [2019-12-01 23:40:58,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 23:40:58,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:58,361 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-12-01 23:41:00,709 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-12-01 23:41:05,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:05,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2263 states and 2770 transitions. [2019-12-01 23:41:05,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2770 transitions. [2019-12-01 23:41:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 23:41:05,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:12,097 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 23:41:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2267 states and 2777 transitions. [2019-12-01 23:41:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2777 transitions. [2019-12-01 23:41:14,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 23:41:14,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 23:41:17,912 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2019-12-01 23:41:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:21,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2278 states and 2787 transitions. [2019-12-01 23:41:21,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2787 transitions. [2019-12-01 23:41:21,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 23:41:21,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-12-01 23:41:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:21,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2282 states and 2797 transitions. [2019-12-01 23:41:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 2797 transitions. [2019-12-01 23:41:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-12-01 23:41:21,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:22,252 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-12-01 23:41:24,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:24,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2308 states and 2823 transitions. [2019-12-01 23:41:24,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2823 transitions. [2019-12-01 23:41:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-12-01 23:41:24,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 23:41:25,496 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 23:41:26,182 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-12-01 23:41:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2313 states and 2826 transitions. [2019-12-01 23:41:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 2826 transitions. [2019-12-01 23:41:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-12-01 23:41:27,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:27,979 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 23:41:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:28,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2314 states and 2826 transitions. [2019-12-01 23:41:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2826 transitions. [2019-12-01 23:41:28,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-12-01 23:41:28,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 23:41:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2324 states and 2833 transitions. [2019-12-01 23:41:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2833 transitions. [2019-12-01 23:41:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-12-01 23:41:28,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:29,546 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2019-12-01 23:41:30,544 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2019-12-01 23:41:34,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:34,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2330 states and 2845 transitions. [2019-12-01 23:41:34,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 2845 transitions. [2019-12-01 23:41:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-12-01 23:41:34,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:39,187 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-12-01 23:41:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 529 proven. 39 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-12-01 23:41:47,582 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-12-01 23:41:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2360 states and 2880 transitions. [2019-12-01 23:41:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2880 transitions. [2019-12-01 23:41:54,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-12-01 23:41:54,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:54,726 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 372 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2019-12-01 23:41:55,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:55,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2375 states and 2894 transitions. [2019-12-01 23:41:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2375 states and 2894 transitions. [2019-12-01 23:41:55,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-12-01 23:41:55,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-12-01 23:41:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2383 states and 2904 transitions. [2019-12-01 23:41:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2904 transitions. [2019-12-01 23:41:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 23:41:56,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-12-01 23:42:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:04,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2417 states and 2947 transitions. [2019-12-01 23:42:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2947 transitions. [2019-12-01 23:42:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 23:42:04,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-12-01 23:42:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2438 states and 2975 transitions. [2019-12-01 23:42:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 2975 transitions. [2019-12-01 23:42:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 23:42:10,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-12-01 23:42:13,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:13,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2448 states and 2984 transitions. [2019-12-01 23:42:13,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2984 transitions. [2019-12-01 23:42:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 23:42:13,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:13,394 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-12-01 23:42:16,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:16,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 2467 states and 3002 transitions. [2019-12-01 23:42:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3002 transitions. [2019-12-01 23:42:16,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 23:42:16,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-12-01 23:42:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 2468 states and 3002 transitions. [2019-12-01 23:42:16,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 3002 transitions. [2019-12-01 23:42:17,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-12-01 23:42:17,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-12-01 23:42:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:20,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2474 states and 3008 transitions. [2019-12-01 23:42:20,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3008 transitions. [2019-12-01 23:42:20,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-12-01 23:42:20,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-12-01 23:42:35,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 2511 states and 3056 transitions. [2019-12-01 23:42:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 3056 transitions. [2019-12-01 23:42:35,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-12-01 23:42:35,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-12-01 23:42:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 2519 states and 3063 transitions. [2019-12-01 23:42:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3063 transitions. [2019-12-01 23:42:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 23:42:36,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-12-01 23:42:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 2533 states and 3077 transitions. [2019-12-01 23:42:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3077 transitions. [2019-12-01 23:42:39,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 23:42:39,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-12-01 23:42:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 2536 states and 3078 transitions. [2019-12-01 23:42:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 3078 transitions. [2019-12-01 23:42:40,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 23:42:40,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2019-12-01 23:42:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 2563 states and 3117 transitions. [2019-12-01 23:42:47,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3117 transitions. [2019-12-01 23:42:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 23:42:47,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2019-12-01 23:42:49,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:49,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 2577 states and 3133 transitions. [2019-12-01 23:42:49,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3133 transitions. [2019-12-01 23:42:49,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-12-01 23:42:49,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-12-01 23:42:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:49,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 2579 states and 3135 transitions. [2019-12-01 23:42:49,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 3135 transitions. [2019-12-01 23:42:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-12-01 23:42:49,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:49,926 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-12-01 23:42:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:52,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 2590 states and 3147 transitions. [2019-12-01 23:42:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3147 transitions. [2019-12-01 23:42:52,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-12-01 23:42:52,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-12-01 23:42:53,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:53,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 2615 states and 3172 transitions. [2019-12-01 23:42:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 3172 transitions. [2019-12-01 23:42:53,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-12-01 23:42:53,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-12-01 23:42:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:54,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 2620 states and 3176 transitions. [2019-12-01 23:42:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 3176 transitions. [2019-12-01 23:42:54,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-12-01 23:42:54,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:54,144 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-12-01 23:42:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 2624 states and 3180 transitions. [2019-12-01 23:42:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 3180 transitions. [2019-12-01 23:42:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-12-01 23:42:54,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2019-12-01 23:42:58,282 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 23:43:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3221 states to 2665 states and 3221 transitions. [2019-12-01 23:43:04,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3221 transitions. [2019-12-01 23:43:04,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2019-12-01 23:43:04,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 469 proven. 42 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-12-01 23:43:17,474 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 23 [2019-12-01 23:43:20,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:20,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 2738 states and 3305 transitions. [2019-12-01 23:43:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3305 transitions. [2019-12-01 23:43:20,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-01 23:43:20,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-12-01 23:43:26,186 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2019-12-01 23:43:29,436 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-12-01 23:43:42,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:42,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 2767 states and 3338 transitions. [2019-12-01 23:43:42,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3338 transitions. [2019-12-01 23:43:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-01 23:43:42,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-12-01 23:43:44,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:44,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 2778 states and 3349 transitions. [2019-12-01 23:43:44,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3349 transitions. [2019-12-01 23:43:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-12-01 23:43:44,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 23:43:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 2783 states and 3353 transitions. [2019-12-01 23:43:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3353 transitions. [2019-12-01 23:43:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-12-01 23:43:48,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 23:43:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 2799 states and 3369 transitions. [2019-12-01 23:43:52,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3369 transitions. [2019-12-01 23:43:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-12-01 23:43:52,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-12-01 23:43:55,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 2809 states and 3381 transitions. [2019-12-01 23:43:55,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3381 transitions. [2019-12-01 23:43:55,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-12-01 23:43:55,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-12-01 23:43:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:55,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 2813 states and 3384 transitions. [2019-12-01 23:43:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3384 transitions. [2019-12-01 23:43:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 23:43:55,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:44:06,322 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2019-12-01 23:44:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 23:44:47,000 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2019-12-01 23:44:52,199 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 23:45:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:45:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 2785 states and 3384 transitions. [2019-12-01 23:45:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3384 transitions. [2019-12-01 23:45:01,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 23:45:01,075 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 207 iterations. [2019-12-01 23:45:01,082 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 23:45:01,217 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 23:45:01,324 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 23:45:01,543 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 36 [2019-12-01 23:45:01,654 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 23:45:01,862 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2019-12-01 23:45:02,041 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 33 [2019-12-01 23:45:02,229 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 24 [2019-12-01 23:45:02,438 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 36 [2019-12-01 23:45:02,660 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 36 [2019-12-01 23:45:02,940 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 24 [2019-12-01 23:45:03,137 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2019-12-01 23:45:03,374 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 36 [2019-12-01 23:45:03,628 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 36 [2019-12-01 23:45:03,835 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 36 [2019-12-01 23:45:04,065 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 31 [2019-12-01 23:45:04,364 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 36 [2019-12-01 23:45:04,521 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2019-12-01 23:45:04,702 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2019-12-01 23:45:04,833 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2019-12-01 23:45:05,037 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 29 [2019-12-01 23:45:05,408 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 23:45:05,924 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2019-12-01 23:45:06,237 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 36 [2019-12-01 23:45:06,500 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 33 [2019-12-01 23:45:06,675 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 33 [2019-12-01 23:45:06,806 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2019-12-01 23:45:07,094 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 29 [2019-12-01 23:45:07,281 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 24 [2019-12-01 23:45:07,461 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 29 [2019-12-01 23:45:07,676 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2019-12-01 23:45:07,858 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 23:45:08,091 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 36 [2019-12-01 23:45:08,483 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 56 [2019-12-01 23:45:08,701 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 23:45:08,837 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 23:45:09,073 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 34 [2019-12-01 23:45:09,323 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2019-12-01 23:45:09,496 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2019-12-01 23:45:09,641 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 33 [2019-12-01 23:45:09,897 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 36 [2019-12-01 23:45:09,898 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 23:45:09,901 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-12-01 23:45:09,906 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-12-01 23:45:09,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:45:09 ImpRootNode [2019-12-01 23:45:09,907 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 23:45:09,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 23:45:09,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 23:45:09,907 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 23:45:09,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:36:10" (3/4) ... [2019-12-01 23:45:09,910 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 23:45:09,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2019-12-01 23:45:09,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 23:45:09,925 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-01 23:45:09,998 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9ed92829-5564-431c-bf31-10cad8c63d5e/bin/ukojak/witness.graphml [2019-12-01 23:45:09,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 23:45:09,999 INFO L168 Benchmark]: Toolchain (without parser) took 541355.16 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 482.3 MB). Free memory was 935.4 MB in the beginning and 585.0 MB in the end (delta: 350.4 MB). Peak memory consumption was 832.8 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:09,999 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:45:09,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:10,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:10,000 INFO L168 Benchmark]: Boogie Preprocessor took 41.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:10,000 INFO L168 Benchmark]: RCFGBuilder took 1122.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 867.2 MB in the end (delta: 208.3 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:10,000 INFO L168 Benchmark]: CodeCheck took 539697.19 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 374.3 MB). Free memory was 867.2 MB in the beginning and 601.0 MB in the end (delta: 266.3 MB). Peak memory consumption was 940.7 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:10,000 INFO L168 Benchmark]: Witness Printer took 90.98 ms. Allocated memory is still 1.5 GB. Free memory was 601.0 MB in the beginning and 585.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:10,002 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: 530.8s, OverallIterations: 207, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -803075312 SDtfs, 154889740 SDslu, -523484692 SDs, 0 SdLazy, 510541228 SolverSat, -1319754792 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1322.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 259107 GetRequests, 252861 SyntacticMatches, 4124 SemanticMatches, 2122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3242002 ImplicationChecksByTransitivity, 490.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 55.5s InterpolantComputationTime, 38829 NumberOfCodeBlocks, 38829 NumberOfCodeBlocksAsserted, 206 NumberOfCheckSat, 38623 ConstructedInterpolants, 0 QuantifiedInterpolants, 29665964 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 206 InterpolantComputations, 181 PerfectInterpolantSequences, 48463/49931 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: 491]: 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: (((((!(a21 == 1) && 13 == a8) && a12 == 8) && a17 <= 0) && a20 == 1) || !(a16 == 6)) || !(1 == a7) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((!(a21 == 1) && 13 == a8) && a12 == 8) && a17 <= 0) && a20 == 1) || !(a16 == 6)) || !(1 == a7) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1122.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 867.2 MB in the end (delta: 208.3 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. * CodeCheck took 539697.19 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 374.3 MB). Free memory was 867.2 MB in the beginning and 601.0 MB in the end (delta: 266.3 MB). Peak memory consumption was 940.7 MB. Max. memory is 11.5 GB. * Witness Printer took 90.98 ms. Allocated memory is still 1.5 GB. Free memory was 601.0 MB in the beginning and 585.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...