./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/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 ede185df305af642a5265096891dc95893f4609c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:47:40,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:47:40,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:47:40,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:47:40,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:47:40,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:47:40,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:47:40,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:47:40,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:47:40,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:47:40,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:47:40,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:47:40,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:47:40,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:47:40,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:47:40,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:47:40,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:47:40,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:47:40,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:47:40,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:47:40,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:47:40,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:47:40,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:47:40,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:47:40,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:47:40,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:47:40,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:47:40,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:47:40,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:47:40,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:47:40,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:47:40,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:47:40,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:47:40,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:47:40,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:47:40,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:47:40,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:47:40,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:47:40,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:47:40,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:47:40,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:47:40,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 21:47:41,011 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:47:41,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:47:41,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 21:47:41,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 21:47:41,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:47:41,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:47:41,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:47:41,022 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:47:41,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:47:41,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:47:41,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:47:41,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:47:41,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:47:41,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:47:41,024 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:47:41,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:47:41,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:47:41,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:47:41,025 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 21:47:41,025 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 21:47:41,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:47:41,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:47:41,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 21:47:41,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:47:41,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:47:41,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:47:41,028 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 21:47:41,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:47:41,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:47:41,028 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_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/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 -> ede185df305af642a5265096891dc95893f4609c [2019-11-19 21:47:41,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:47:41,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:47:41,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:47:41,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:47:41,209 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:47:41,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2019-11-19 21:47:41,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/data/445f31e0b/42b95eb9c3f84aa4960060e8555f5bbf/FLAG9b666efb8 [2019-11-19 21:47:41,991 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:47:41,992 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2019-11-19 21:47:42,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/data/445f31e0b/42b95eb9c3f84aa4960060e8555f5bbf/FLAG9b666efb8 [2019-11-19 21:47:42,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/data/445f31e0b/42b95eb9c3f84aa4960060e8555f5bbf [2019-11-19 21:47:42,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:47:42,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:47:42,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:47:42,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:47:42,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:47:42,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:47:42" (1/1) ... [2019-11-19 21:47:42,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b9303f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:42, skipping insertion in model container [2019-11-19 21:47:42,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:47:42" (1/1) ... [2019-11-19 21:47:42,314 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:47:42,423 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:47:43,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:47:43,176 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:47:43,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:47:43,415 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:47:43,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43 WrapperNode [2019-11-19 21:47:43,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:47:43,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:47:43,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:47:43,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:47:43,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43" (1/1) ... [2019-11-19 21:47:43,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43" (1/1) ... [2019-11-19 21:47:43,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:47:43,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:47:43,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:47:43,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:47:43,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43" (1/1) ... [2019-11-19 21:47:43,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43" (1/1) ... [2019-11-19 21:47:43,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43" (1/1) ... [2019-11-19 21:47:43,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43" (1/1) ... [2019-11-19 21:47:43,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43" (1/1) ... [2019-11-19 21:47:43,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43" (1/1) ... [2019-11-19 21:47:43,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43" (1/1) ... [2019-11-19 21:47:43,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:47:43,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:47:43,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:47:43,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:47:43,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 21:47:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:47:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:47:45,470 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:47:45,470 INFO L285 CfgBuilder]: Removed 25 assume(true) statements. [2019-11-19 21:47:45,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:47:45 BoogieIcfgContainer [2019-11-19 21:47:45,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:47:45,472 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 21:47:45,472 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 21:47:45,484 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 21:47:45,485 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:47:45" (1/1) ... [2019-11-19 21:47:45,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:47:45,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 235 states and 463 transitions. [2019-11-19 21:47:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 463 transitions. [2019-11-19 21:47:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 21:47:45,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 235 states and 421 transitions. [2019-11-19 21:47:45,713 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 421 transitions. [2019-11-19 21:47:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 21:47:45,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:45,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 238 states and 483 transitions. [2019-11-19 21:47:45,965 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 483 transitions. [2019-11-19 21:47:45,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 21:47:45,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 238 states and 482 transitions. [2019-11-19 21:47:46,047 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 482 transitions. [2019-11-19 21:47:46,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 21:47:46,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:46,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:46,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:46,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 241 states and 544 transitions. [2019-11-19 21:47:46,377 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 544 transitions. [2019-11-19 21:47:46,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 21:47:46,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 250 states and 670 transitions. [2019-11-19 21:47:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 670 transitions. [2019-11-19 21:47:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 21:47:46,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:47,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 254 states and 732 transitions. [2019-11-19 21:47:47,205 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 732 transitions. [2019-11-19 21:47:47,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 21:47:47,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:47,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 264 states and 812 transitions. [2019-11-19 21:47:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 812 transitions. [2019-11-19 21:47:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 21:47:47,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:47,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 267 states and 816 transitions. [2019-11-19 21:47:47,602 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 816 transitions. [2019-11-19 21:47:47,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 21:47:47,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:47,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 272 states and 824 transitions. [2019-11-19 21:47:47,689 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 824 transitions. [2019-11-19 21:47:47,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 21:47:47,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:48,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 276 states and 888 transitions. [2019-11-19 21:47:48,024 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 888 transitions. [2019-11-19 21:47:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 21:47:48,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:48,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 289 states and 936 transitions. [2019-11-19 21:47:48,874 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 936 transitions. [2019-11-19 21:47:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 21:47:48,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 289 states and 934 transitions. [2019-11-19 21:47:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 934 transitions. [2019-11-19 21:47:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 21:47:49,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 21:47:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 290 states and 937 transitions. [2019-11-19 21:47:49,201 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 937 transitions. [2019-11-19 21:47:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 21:47:49,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 21:47:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 293 states and 997 transitions. [2019-11-19 21:47:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 997 transitions. [2019-11-19 21:47:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:47:49,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 21:47:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 294 states and 998 transitions. [2019-11-19 21:47:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 998 transitions. [2019-11-19 21:47:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:47:49,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:49,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 295 states and 1001 transitions. [2019-11-19 21:47:49,791 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1001 transitions. [2019-11-19 21:47:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:47:49,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:49,813 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 21:47:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 296 states and 1002 transitions. [2019-11-19 21:47:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1002 transitions. [2019-11-19 21:47:49,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:47:49,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 21:47:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 297 states and 1003 transitions. [2019-11-19 21:47:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1003 transitions. [2019-11-19 21:47:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 21:47:49,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 21:47:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 298 states and 1006 transitions. [2019-11-19 21:47:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1006 transitions. [2019-11-19 21:47:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 21:47:50,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 299 states and 1007 transitions. [2019-11-19 21:47:50,126 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1007 transitions. [2019-11-19 21:47:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 21:47:50,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 21:47:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 300 states and 1009 transitions. [2019-11-19 21:47:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1009 transitions. [2019-11-19 21:47:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 21:47:50,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 304 states and 1019 transitions. [2019-11-19 21:47:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1019 transitions. [2019-11-19 21:47:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 21:47:50,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:47:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 306 states and 1020 transitions. [2019-11-19 21:47:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1020 transitions. [2019-11-19 21:47:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 21:47:50,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 21:47:50,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 307 states and 1021 transitions. [2019-11-19 21:47:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1021 transitions. [2019-11-19 21:47:50,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 21:47:50,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:50,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 308 states and 1020 transitions. [2019-11-19 21:47:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1020 transitions. [2019-11-19 21:47:50,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 21:47:50,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:47:50,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 310 states and 1021 transitions. [2019-11-19 21:47:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1021 transitions. [2019-11-19 21:47:50,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 21:47:50,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 21:47:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 311 states and 1021 transitions. [2019-11-19 21:47:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1021 transitions. [2019-11-19 21:47:50,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 21:47:50,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 21:47:50,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 312 states and 1023 transitions. [2019-11-19 21:47:50,874 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1023 transitions. [2019-11-19 21:47:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 21:47:50,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 314 states and 1026 transitions. [2019-11-19 21:47:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1026 transitions. [2019-11-19 21:47:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 21:47:50,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 315 states and 1027 transitions. [2019-11-19 21:47:51,009 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1027 transitions. [2019-11-19 21:47:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 21:47:51,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:51,061 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:47:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:51,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 315 states and 1024 transitions. [2019-11-19 21:47:51,078 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1024 transitions. [2019-11-19 21:47:51,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 21:47:51,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:47:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 318 states and 1030 transitions. [2019-11-19 21:47:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1030 transitions. [2019-11-19 21:47:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 21:47:51,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:47:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 320 states and 1033 transitions. [2019-11-19 21:47:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 1033 transitions. [2019-11-19 21:47:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 21:47:51,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:51,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 324 states and 1096 transitions. [2019-11-19 21:47:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1096 transitions. [2019-11-19 21:47:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 21:47:51,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:51,629 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 328 states and 1105 transitions. [2019-11-19 21:47:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1105 transitions. [2019-11-19 21:47:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 21:47:51,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:47:51,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 332 states and 1113 transitions. [2019-11-19 21:47:51,996 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1113 transitions. [2019-11-19 21:47:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 21:47:51,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:47:52,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 334 states and 1114 transitions. [2019-11-19 21:47:52,184 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1114 transitions. [2019-11-19 21:47:52,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:47:52,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:52,213 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:47:52,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:52,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 336 states and 1118 transitions. [2019-11-19 21:47:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1118 transitions. [2019-11-19 21:47:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:47:52,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:47:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 337 states and 1119 transitions. [2019-11-19 21:47:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1119 transitions. [2019-11-19 21:47:52,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:47:52,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:47:52,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:52,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 339 states and 1125 transitions. [2019-11-19 21:47:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1125 transitions. [2019-11-19 21:47:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:47:52,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 341 states and 1127 transitions. [2019-11-19 21:47:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 1127 transitions. [2019-11-19 21:47:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:47:52,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:52,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 351 states and 1252 transitions. [2019-11-19 21:47:52,763 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1252 transitions. [2019-11-19 21:47:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:47:52,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 21:47:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:52,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 353 states and 1253 transitions. [2019-11-19 21:47:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1253 transitions. [2019-11-19 21:47:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:47:52,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:47:52,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:52,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 355 states and 1259 transitions. [2019-11-19 21:47:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1259 transitions. [2019-11-19 21:47:52,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:47:52,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:52,921 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:52,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 357 states and 1262 transitions. [2019-11-19 21:47:52,957 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1262 transitions. [2019-11-19 21:47:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:47:52,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:47:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 358 states and 1263 transitions. [2019-11-19 21:47:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1263 transitions. [2019-11-19 21:47:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:47:52,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:47:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:53,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 359 states and 1267 transitions. [2019-11-19 21:47:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1267 transitions. [2019-11-19 21:47:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:47:53,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:53,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 360 states and 1268 transitions. [2019-11-19 21:47:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1268 transitions. [2019-11-19 21:47:53,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:47:53,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 372 states and 1404 transitions. [2019-11-19 21:47:53,546 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 1404 transitions. [2019-11-19 21:47:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:47:53,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 377 states and 1467 transitions. [2019-11-19 21:47:54,049 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1467 transitions. [2019-11-19 21:47:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 21:47:54,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 378 states and 1468 transitions. [2019-11-19 21:47:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1468 transitions. [2019-11-19 21:47:54,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 21:47:54,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:47:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 379 states and 1468 transitions. [2019-11-19 21:47:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1468 transitions. [2019-11-19 21:47:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 21:47:54,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:54,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 382 states and 1473 transitions. [2019-11-19 21:47:54,196 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1473 transitions. [2019-11-19 21:47:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 21:47:54,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:47:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:54,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 384 states and 1476 transitions. [2019-11-19 21:47:54,235 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1476 transitions. [2019-11-19 21:47:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 21:47:54,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:54,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:54,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 389 states and 1540 transitions. [2019-11-19 21:47:54,826 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 1540 transitions. [2019-11-19 21:47:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 21:47:54,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 395 states and 1552 transitions. [2019-11-19 21:47:54,869 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 1552 transitions. [2019-11-19 21:47:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 21:47:54,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:47:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:54,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 397 states and 1554 transitions. [2019-11-19 21:47:54,909 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1554 transitions. [2019-11-19 21:47:54,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 21:47:54,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:54,932 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 402 states and 1562 transitions. [2019-11-19 21:47:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 1562 transitions. [2019-11-19 21:47:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 21:47:55,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 403 states and 1565 transitions. [2019-11-19 21:47:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1565 transitions. [2019-11-19 21:47:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:47:55,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:47:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 405 states and 1568 transitions. [2019-11-19 21:47:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 1568 transitions. [2019-11-19 21:47:55,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:47:55,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 413 states and 1584 transitions. [2019-11-19 21:47:55,367 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1584 transitions. [2019-11-19 21:47:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:47:55,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:47:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 414 states and 1585 transitions. [2019-11-19 21:47:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1585 transitions. [2019-11-19 21:47:55,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:47:55,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 428 states and 1723 transitions. [2019-11-19 21:47:56,553 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1723 transitions. [2019-11-19 21:47:56,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:47:56,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:56,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:56,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 428 states and 1720 transitions. [2019-11-19 21:47:56,699 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1720 transitions. [2019-11-19 21:47:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 21:47:56,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:47:56,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:56,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 429 states and 1720 transitions. [2019-11-19 21:47:56,735 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1720 transitions. [2019-11-19 21:47:56,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 21:47:56,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:56,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 432 states and 1725 transitions. [2019-11-19 21:47:56,790 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1725 transitions. [2019-11-19 21:47:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 21:47:56,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:57,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:57,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 438 states and 1790 transitions. [2019-11-19 21:47:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1790 transitions. [2019-11-19 21:47:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 21:47:57,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:57,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 440 states and 1800 transitions. [2019-11-19 21:47:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 1800 transitions. [2019-11-19 21:47:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 21:47:57,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 445 states and 1808 transitions. [2019-11-19 21:47:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 1808 transitions. [2019-11-19 21:47:57,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 21:47:57,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 446 states and 1811 transitions. [2019-11-19 21:47:57,538 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1811 transitions. [2019-11-19 21:47:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 21:47:57,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:57,587 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:57,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 448 states and 1821 transitions. [2019-11-19 21:47:57,655 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 1821 transitions. [2019-11-19 21:47:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 21:47:57,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 450 states and 1825 transitions. [2019-11-19 21:47:58,089 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1825 transitions. [2019-11-19 21:47:58,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 21:47:58,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:58,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 21:47:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 466 states and 1882 transitions. [2019-11-19 21:47:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1882 transitions. [2019-11-19 21:47:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 21:47:59,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 466 states and 1879 transitions. [2019-11-19 21:47:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1879 transitions. [2019-11-19 21:47:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 21:47:59,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 468 states and 1889 transitions. [2019-11-19 21:47:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1889 transitions. [2019-11-19 21:47:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 21:47:59,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:47:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 469 states and 1892 transitions. [2019-11-19 21:47:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1892 transitions. [2019-11-19 21:47:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 21:47:59,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:47:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:47:59,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 470 states and 1895 transitions. [2019-11-19 21:47:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1895 transitions. [2019-11-19 21:47:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 21:47:59,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:47:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:00,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 474 states and 1960 transitions. [2019-11-19 21:48:00,375 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1960 transitions. [2019-11-19 21:48:00,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 21:48:00,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:00,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 476 states and 1971 transitions. [2019-11-19 21:48:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1971 transitions. [2019-11-19 21:48:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 21:48:00,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:00,514 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 21:48:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 477 states and 1972 transitions. [2019-11-19 21:48:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1972 transitions. [2019-11-19 21:48:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 21:48:00,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:00,563 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 21:48:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 478 states and 1975 transitions. [2019-11-19 21:48:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 1975 transitions. [2019-11-19 21:48:00,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 21:48:00,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 21:48:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 482 states and 2041 transitions. [2019-11-19 21:48:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 2041 transitions. [2019-11-19 21:48:01,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 21:48:01,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:01,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:01,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 483 states and 2043 transitions. [2019-11-19 21:48:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 2043 transitions. [2019-11-19 21:48:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 21:48:01,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:01,699 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:02,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 484 states and 2047 transitions. [2019-11-19 21:48:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 2047 transitions. [2019-11-19 21:48:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 21:48:02,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:02,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 486 states and 2059 transitions. [2019-11-19 21:48:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 2059 transitions. [2019-11-19 21:48:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 21:48:02,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 489 states and 2066 transitions. [2019-11-19 21:48:02,650 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 2066 transitions. [2019-11-19 21:48:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 21:48:02,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:02,667 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 21:48:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 490 states and 2067 transitions. [2019-11-19 21:48:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 2067 transitions. [2019-11-19 21:48:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 21:48:02,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 21:48:02,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 491 states and 2069 transitions. [2019-11-19 21:48:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 2069 transitions. [2019-11-19 21:48:02,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 21:48:02,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:02,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 492 states and 2072 transitions. [2019-11-19 21:48:02,867 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 2072 transitions. [2019-11-19 21:48:02,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 21:48:02,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 498 states and 2147 transitions. [2019-11-19 21:48:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 2147 transitions. [2019-11-19 21:48:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 21:48:03,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:04,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 502 states and 2218 transitions. [2019-11-19 21:48:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 2218 transitions. [2019-11-19 21:48:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 21:48:04,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 504 states and 2232 transitions. [2019-11-19 21:48:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 2232 transitions. [2019-11-19 21:48:04,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 21:48:04,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:04,531 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:04,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 506 states and 2234 transitions. [2019-11-19 21:48:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 2234 transitions. [2019-11-19 21:48:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 21:48:04,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-19 21:48:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 508 states and 2235 transitions. [2019-11-19 21:48:04,613 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 2235 transitions. [2019-11-19 21:48:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 21:48:04,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:04,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 509 states and 2237 transitions. [2019-11-19 21:48:04,901 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 2237 transitions. [2019-11-19 21:48:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 21:48:04,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:05,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:05,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 510 states and 2240 transitions. [2019-11-19 21:48:05,026 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 2240 transitions. [2019-11-19 21:48:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 21:48:05,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 21:48:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:05,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 511 states and 2242 transitions. [2019-11-19 21:48:05,254 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 2242 transitions. [2019-11-19 21:48:05,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 21:48:05,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:05,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:05,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 512 states and 2242 transitions. [2019-11-19 21:48:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 2242 transitions. [2019-11-19 21:48:05,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 21:48:05,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:05,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:05,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 514 states and 2256 transitions. [2019-11-19 21:48:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 2256 transitions. [2019-11-19 21:48:05,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 21:48:05,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 516 states and 2258 transitions. [2019-11-19 21:48:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 2258 transitions. [2019-11-19 21:48:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 21:48:05,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:05,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 518 states and 2259 transitions. [2019-11-19 21:48:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 2259 transitions. [2019-11-19 21:48:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 21:48:05,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:05,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 519 states and 2260 transitions. [2019-11-19 21:48:05,885 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 2260 transitions. [2019-11-19 21:48:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 21:48:05,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:05,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 520 states and 2261 transitions. [2019-11-19 21:48:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 2261 transitions. [2019-11-19 21:48:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 21:48:05,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:06,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:06,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 521 states and 2262 transitions. [2019-11-19 21:48:06,021 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 2262 transitions. [2019-11-19 21:48:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 21:48:06,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 21:48:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 522 states and 2265 transitions. [2019-11-19 21:48:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 2265 transitions. [2019-11-19 21:48:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 21:48:06,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 21:48:06,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:06,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 523 states and 2267 transitions. [2019-11-19 21:48:06,454 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 2267 transitions. [2019-11-19 21:48:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 21:48:06,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:06,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 525 states and 2281 transitions. [2019-11-19 21:48:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 2281 transitions. [2019-11-19 21:48:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 21:48:06,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:06,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 527 states and 2283 transitions. [2019-11-19 21:48:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 2283 transitions. [2019-11-19 21:48:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 21:48:06,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:07,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:07,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 530 states and 2290 transitions. [2019-11-19 21:48:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 2290 transitions. [2019-11-19 21:48:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 21:48:07,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:07,215 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:07,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 532 states and 2291 transitions. [2019-11-19 21:48:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 2291 transitions. [2019-11-19 21:48:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 21:48:07,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 21:48:07,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 533 states and 2291 transitions. [2019-11-19 21:48:07,317 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 2291 transitions. [2019-11-19 21:48:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 21:48:07,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:07,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 534 states and 2294 transitions. [2019-11-19 21:48:07,396 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 2294 transitions. [2019-11-19 21:48:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 21:48:07,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:07,458 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 538 states and 2304 transitions. [2019-11-19 21:48:07,728 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 2304 transitions. [2019-11-19 21:48:07,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 21:48:07,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-19 21:48:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 540 states and 2305 transitions. [2019-11-19 21:48:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 2305 transitions. [2019-11-19 21:48:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 21:48:07,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-19 21:48:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 541 states and 2306 transitions. [2019-11-19 21:48:07,838 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 2306 transitions. [2019-11-19 21:48:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 21:48:07,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 21:48:07,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 542 states and 2309 transitions. [2019-11-19 21:48:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 2309 transitions. [2019-11-19 21:48:07,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 21:48:07,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 543 states and 2311 transitions. [2019-11-19 21:48:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 2311 transitions. [2019-11-19 21:48:08,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 21:48:08,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:08,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 545 states and 2325 transitions. [2019-11-19 21:48:08,475 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 2325 transitions. [2019-11-19 21:48:08,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 21:48:08,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:08,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 547 states and 2327 transitions. [2019-11-19 21:48:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 2327 transitions. [2019-11-19 21:48:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 21:48:08,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:08,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 549 states and 2329 transitions. [2019-11-19 21:48:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 2329 transitions. [2019-11-19 21:48:08,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 21:48:08,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 551 states and 2333 transitions. [2019-11-19 21:48:08,925 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 2333 transitions. [2019-11-19 21:48:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 21:48:08,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:09,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 552 states and 2329 transitions. [2019-11-19 21:48:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 2329 transitions. [2019-11-19 21:48:09,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 21:48:09,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:09,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 553 states and 2330 transitions. [2019-11-19 21:48:09,084 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 2330 transitions. [2019-11-19 21:48:09,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 21:48:09,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:09,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 555 states and 2344 transitions. [2019-11-19 21:48:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 2344 transitions. [2019-11-19 21:48:09,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 21:48:09,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:09,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 557 states and 2346 transitions. [2019-11-19 21:48:09,342 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 2346 transitions. [2019-11-19 21:48:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 21:48:09,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:09,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 559 states and 2348 transitions. [2019-11-19 21:48:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 2348 transitions. [2019-11-19 21:48:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 21:48:09,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 561 states and 2351 transitions. [2019-11-19 21:48:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 2351 transitions. [2019-11-19 21:48:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 21:48:09,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:09,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 564 states and 2357 transitions. [2019-11-19 21:48:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 2357 transitions. [2019-11-19 21:48:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 21:48:09,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:09,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:09,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 565 states and 2360 transitions. [2019-11-19 21:48:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 2360 transitions. [2019-11-19 21:48:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 21:48:09,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:09,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:09,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 567 states and 2364 transitions. [2019-11-19 21:48:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 2364 transitions. [2019-11-19 21:48:09,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:09,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 569 states and 2367 transitions. [2019-11-19 21:48:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 2367 transitions. [2019-11-19 21:48:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:10,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:10,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 570 states and 2368 transitions. [2019-11-19 21:48:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 2368 transitions. [2019-11-19 21:48:10,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:10,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:48:10,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 572 states and 2369 transitions. [2019-11-19 21:48:10,194 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 2369 transitions. [2019-11-19 21:48:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:10,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:10,289 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 21:48:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 573 states and 2370 transitions. [2019-11-19 21:48:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 2370 transitions. [2019-11-19 21:48:10,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:10,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:10,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 575 states and 2384 transitions. [2019-11-19 21:48:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 2384 transitions. [2019-11-19 21:48:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:10,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 577 states and 2386 transitions. [2019-11-19 21:48:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 2386 transitions. [2019-11-19 21:48:10,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:10,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:10,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 579 states and 2388 transitions. [2019-11-19 21:48:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 2388 transitions. [2019-11-19 21:48:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:10,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:10,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 581 states and 2391 transitions. [2019-11-19 21:48:10,837 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 2391 transitions. [2019-11-19 21:48:10,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:10,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:10,862 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 583 states and 2394 transitions. [2019-11-19 21:48:10,919 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 2394 transitions. [2019-11-19 21:48:10,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:10,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:11,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:11,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 584 states and 2397 transitions. [2019-11-19 21:48:11,108 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 2397 transitions. [2019-11-19 21:48:11,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 21:48:11,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:48:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 586 states and 2398 transitions. [2019-11-19 21:48:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 2398 transitions. [2019-11-19 21:48:11,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:11,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:11,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 586 states and 2392 transitions. [2019-11-19 21:48:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 2392 transitions. [2019-11-19 21:48:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:11,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 590 states and 2402 transitions. [2019-11-19 21:48:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 2402 transitions. [2019-11-19 21:48:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:11,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:48:11,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 592 states and 2403 transitions. [2019-11-19 21:48:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 2403 transitions. [2019-11-19 21:48:11,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:11,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-19 21:48:11,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:11,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 593 states and 2403 transitions. [2019-11-19 21:48:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 2403 transitions. [2019-11-19 21:48:11,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:11,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 21:48:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 594 states and 2407 transitions. [2019-11-19 21:48:12,178 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 2407 transitions. [2019-11-19 21:48:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:12,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:12,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 596 states and 2421 transitions. [2019-11-19 21:48:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 2421 transitions. [2019-11-19 21:48:12,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:12,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:12,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:12,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 598 states and 2423 transitions. [2019-11-19 21:48:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 2423 transitions. [2019-11-19 21:48:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:12,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:12,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 600 states and 2425 transitions. [2019-11-19 21:48:12,543 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 2425 transitions. [2019-11-19 21:48:12,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:12,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:12,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:12,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 602 states and 2428 transitions. [2019-11-19 21:48:12,619 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 2428 transitions. [2019-11-19 21:48:12,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:12,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:12,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 604 states and 2431 transitions. [2019-11-19 21:48:12,698 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 2431 transitions. [2019-11-19 21:48:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:12,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 604 states and 2427 transitions. [2019-11-19 21:48:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 2427 transitions. [2019-11-19 21:48:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 21:48:12,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-19 21:48:12,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:12,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 606 states and 2428 transitions. [2019-11-19 21:48:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 2428 transitions. [2019-11-19 21:48:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 21:48:12,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 608 states and 2430 transitions. [2019-11-19 21:48:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 2430 transitions. [2019-11-19 21:48:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 21:48:13,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:13,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 612 states and 2440 transitions. [2019-11-19 21:48:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 2440 transitions. [2019-11-19 21:48:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 21:48:13,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 614 states and 2454 transitions. [2019-11-19 21:48:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 2454 transitions. [2019-11-19 21:48:13,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 21:48:13,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 616 states and 2456 transitions. [2019-11-19 21:48:13,892 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 2456 transitions. [2019-11-19 21:48:13,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 21:48:13,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:13,941 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:13,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 618 states and 2458 transitions. [2019-11-19 21:48:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 2458 transitions. [2019-11-19 21:48:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 21:48:13,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:14,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 620 states and 2461 transitions. [2019-11-19 21:48:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 2461 transitions. [2019-11-19 21:48:14,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 21:48:14,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:14,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 622 states and 2464 transitions. [2019-11-19 21:48:14,115 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 2464 transitions. [2019-11-19 21:48:14,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 21:48:14,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:14,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:14,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 622 states and 2460 transitions. [2019-11-19 21:48:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 2460 transitions. [2019-11-19 21:48:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 21:48:14,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 21:48:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 624 states and 2461 transitions. [2019-11-19 21:48:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 2461 transitions. [2019-11-19 21:48:14,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:14,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:14,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:14,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 626 states and 2464 transitions. [2019-11-19 21:48:14,343 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 2464 transitions. [2019-11-19 21:48:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:14,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 627 states and 2465 transitions. [2019-11-19 21:48:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 2465 transitions. [2019-11-19 21:48:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:14,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:14,556 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:14,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:14,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 629 states and 2467 transitions. [2019-11-19 21:48:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 2467 transitions. [2019-11-19 21:48:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:14,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:15,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 639 states and 2491 transitions. [2019-11-19 21:48:15,028 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 2491 transitions. [2019-11-19 21:48:15,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:15,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 21:48:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:15,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 642 states and 2498 transitions. [2019-11-19 21:48:15,270 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 2498 transitions. [2019-11-19 21:48:15,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:15,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 644 states and 2512 transitions. [2019-11-19 21:48:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 2512 transitions. [2019-11-19 21:48:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:15,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 646 states and 2514 transitions. [2019-11-19 21:48:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 2514 transitions. [2019-11-19 21:48:15,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:15,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 648 states and 2516 transitions. [2019-11-19 21:48:15,763 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 2516 transitions. [2019-11-19 21:48:15,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:15,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 650 states and 2519 transitions. [2019-11-19 21:48:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 2519 transitions. [2019-11-19 21:48:15,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:15,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:15,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 652 states and 2522 transitions. [2019-11-19 21:48:15,900 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 2522 transitions. [2019-11-19 21:48:15,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:15,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:15,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:15,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 652 states and 2518 transitions. [2019-11-19 21:48:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 2518 transitions. [2019-11-19 21:48:15,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 21:48:15,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:16,028 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 21:48:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:16,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 653 states and 2518 transitions. [2019-11-19 21:48:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 2518 transitions. [2019-11-19 21:48:16,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:16,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:16,372 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:16,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 655 states and 2521 transitions. [2019-11-19 21:48:16,387 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 2521 transitions. [2019-11-19 21:48:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:16,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:16,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 656 states and 2521 transitions. [2019-11-19 21:48:16,465 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 2521 transitions. [2019-11-19 21:48:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:16,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:16,567 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 657 states and 2522 transitions. [2019-11-19 21:48:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 2522 transitions. [2019-11-19 21:48:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:16,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:48:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 659 states and 2525 transitions. [2019-11-19 21:48:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 2525 transitions. [2019-11-19 21:48:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:16,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:16,663 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 21:48:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:16,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 662 states and 2531 transitions. [2019-11-19 21:48:16,723 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2531 transitions. [2019-11-19 21:48:16,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:16,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 21:48:16,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 664 states and 2532 transitions. [2019-11-19 21:48:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 2532 transitions. [2019-11-19 21:48:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:16,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:16,901 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:16,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 666 states and 2546 transitions. [2019-11-19 21:48:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 2546 transitions. [2019-11-19 21:48:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:16,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:17,038 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 668 states and 2548 transitions. [2019-11-19 21:48:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 2548 transitions. [2019-11-19 21:48:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:17,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:17,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:17,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 670 states and 2550 transitions. [2019-11-19 21:48:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 2550 transitions. [2019-11-19 21:48:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:17,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 672 states and 2553 transitions. [2019-11-19 21:48:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2553 transitions. [2019-11-19 21:48:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:17,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 674 states and 2556 transitions. [2019-11-19 21:48:17,307 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 2556 transitions. [2019-11-19 21:48:17,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:48:17,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 674 states and 2552 transitions. [2019-11-19 21:48:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 2552 transitions. [2019-11-19 21:48:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:17,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:48:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 676 states and 2556 transitions. [2019-11-19 21:48:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 2556 transitions. [2019-11-19 21:48:17,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:17,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:17,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 677 states and 2556 transitions. [2019-11-19 21:48:17,589 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 2556 transitions. [2019-11-19 21:48:17,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:17,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:17,621 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 678 states and 2557 transitions. [2019-11-19 21:48:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2557 transitions. [2019-11-19 21:48:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:17,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 21:48:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 680 states and 2560 transitions. [2019-11-19 21:48:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 2560 transitions. [2019-11-19 21:48:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:17,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 682 states and 2563 transitions. [2019-11-19 21:48:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 2563 transitions. [2019-11-19 21:48:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:17,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 21:48:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 684 states and 2564 transitions. [2019-11-19 21:48:18,071 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 2564 transitions. [2019-11-19 21:48:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:18,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:18,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 686 states and 2578 transitions. [2019-11-19 21:48:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2578 transitions. [2019-11-19 21:48:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:18,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 688 states and 2580 transitions. [2019-11-19 21:48:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 2580 transitions. [2019-11-19 21:48:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:18,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:18,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 690 states and 2582 transitions. [2019-11-19 21:48:18,342 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 2582 transitions. [2019-11-19 21:48:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:18,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 692 states and 2585 transitions. [2019-11-19 21:48:18,389 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 2585 transitions. [2019-11-19 21:48:18,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:18,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 694 states and 2588 transitions. [2019-11-19 21:48:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2588 transitions. [2019-11-19 21:48:18,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:48:18,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:18,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 694 states and 2584 transitions. [2019-11-19 21:48:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2584 transitions. [2019-11-19 21:48:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:18,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 21:48:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 696 states and 2588 transitions. [2019-11-19 21:48:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 2588 transitions. [2019-11-19 21:48:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:18,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:48:18,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 697 states and 2589 transitions. [2019-11-19 21:48:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 2589 transitions. [2019-11-19 21:48:18,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:18,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 21:48:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 698 states and 2590 transitions. [2019-11-19 21:48:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 2590 transitions. [2019-11-19 21:48:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:18,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,679 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 700 states and 2592 transitions. [2019-11-19 21:48:18,739 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 2592 transitions. [2019-11-19 21:48:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:18,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-19 21:48:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 702 states and 2593 transitions. [2019-11-19 21:48:18,833 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 2593 transitions. [2019-11-19 21:48:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:18,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 704 states and 2607 transitions. [2019-11-19 21:48:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2607 transitions. [2019-11-19 21:48:18,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:18,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:19,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 706 states and 2609 transitions. [2019-11-19 21:48:19,020 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2609 transitions. [2019-11-19 21:48:19,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:19,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 708 states and 2611 transitions. [2019-11-19 21:48:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 2611 transitions. [2019-11-19 21:48:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:19,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 710 states and 2614 transitions. [2019-11-19 21:48:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 2614 transitions. [2019-11-19 21:48:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:19,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,177 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 712 states and 2617 transitions. [2019-11-19 21:48:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 2617 transitions. [2019-11-19 21:48:19,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:48:19,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:19,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 712 states and 2613 transitions. [2019-11-19 21:48:19,379 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 2613 transitions. [2019-11-19 21:48:19,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:48:19,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 714 states and 2616 transitions. [2019-11-19 21:48:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 2616 transitions. [2019-11-19 21:48:19,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:48:19,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 21:48:19,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 715 states and 2617 transitions. [2019-11-19 21:48:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 2617 transitions. [2019-11-19 21:48:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:48:19,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 716 states and 2617 transitions. [2019-11-19 21:48:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 2617 transitions. [2019-11-19 21:48:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:48:19,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 21:48:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 718 states and 2619 transitions. [2019-11-19 21:48:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 2619 transitions. [2019-11-19 21:48:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:48:19,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 720 states and 2633 transitions. [2019-11-19 21:48:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 2633 transitions. [2019-11-19 21:48:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:48:19,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:19,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 722 states and 2635 transitions. [2019-11-19 21:48:19,872 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 2635 transitions. [2019-11-19 21:48:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:48:19,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,905 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 724 states and 2637 transitions. [2019-11-19 21:48:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 2637 transitions. [2019-11-19 21:48:19,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:48:19,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 726 states and 2640 transitions. [2019-11-19 21:48:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 2640 transitions. [2019-11-19 21:48:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:48:19,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:20,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 728 states and 2643 transitions. [2019-11-19 21:48:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 2643 transitions. [2019-11-19 21:48:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:48:20,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 728 states and 2639 transitions. [2019-11-19 21:48:20,096 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 2639 transitions. [2019-11-19 21:48:20,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 21:48:20,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:48:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 729 states and 2639 transitions. [2019-11-19 21:48:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 2639 transitions. [2019-11-19 21:48:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 21:48:20,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 21:48:20,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 731 states and 2641 transitions. [2019-11-19 21:48:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 2641 transitions. [2019-11-19 21:48:20,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 21:48:20,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 733 states and 2655 transitions. [2019-11-19 21:48:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 2655 transitions. [2019-11-19 21:48:20,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 21:48:20,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 735 states and 2657 transitions. [2019-11-19 21:48:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 2657 transitions. [2019-11-19 21:48:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 21:48:20,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,486 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:20,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 737 states and 2659 transitions. [2019-11-19 21:48:20,522 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 2659 transitions. [2019-11-19 21:48:20,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 21:48:20,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 739 states and 2662 transitions. [2019-11-19 21:48:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 2662 transitions. [2019-11-19 21:48:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 21:48:20,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 741 states and 2665 transitions. [2019-11-19 21:48:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 2665 transitions. [2019-11-19 21:48:20,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 21:48:20,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,674 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:20,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 741 states and 2661 transitions. [2019-11-19 21:48:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 2661 transitions. [2019-11-19 21:48:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 21:48:20,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 21:48:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 743 states and 2664 transitions. [2019-11-19 21:48:20,801 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 2664 transitions. [2019-11-19 21:48:20,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 21:48:20,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 21:48:20,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:20,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 744 states and 2664 transitions. [2019-11-19 21:48:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 2664 transitions. [2019-11-19 21:48:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 21:48:20,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:21,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 746 states and 2678 transitions. [2019-11-19 21:48:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 2678 transitions. [2019-11-19 21:48:21,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 21:48:21,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 748 states and 2680 transitions. [2019-11-19 21:48:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 2680 transitions. [2019-11-19 21:48:21,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 21:48:21,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 750 states and 2682 transitions. [2019-11-19 21:48:21,209 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 2682 transitions. [2019-11-19 21:48:21,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 21:48:21,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 752 states and 2685 transitions. [2019-11-19 21:48:21,266 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 2685 transitions. [2019-11-19 21:48:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 21:48:21,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 754 states and 2688 transitions. [2019-11-19 21:48:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 2688 transitions. [2019-11-19 21:48:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 21:48:21,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:21,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 754 states and 2684 transitions. [2019-11-19 21:48:21,379 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 2684 transitions. [2019-11-19 21:48:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 21:48:21,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,484 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 21:48:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 755 states and 2684 transitions. [2019-11-19 21:48:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 2684 transitions. [2019-11-19 21:48:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 21:48:21,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:21,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 757 states and 2698 transitions. [2019-11-19 21:48:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 2698 transitions. [2019-11-19 21:48:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 21:48:21,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 759 states and 2700 transitions. [2019-11-19 21:48:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 2700 transitions. [2019-11-19 21:48:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 21:48:21,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,750 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:21,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 761 states and 2702 transitions. [2019-11-19 21:48:21,781 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 2702 transitions. [2019-11-19 21:48:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 21:48:21,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,798 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 763 states and 2705 transitions. [2019-11-19 21:48:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 2705 transitions. [2019-11-19 21:48:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 21:48:21,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:21,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 765 states and 2708 transitions. [2019-11-19 21:48:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 2708 transitions. [2019-11-19 21:48:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 21:48:21,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 765 states and 2704 transitions. [2019-11-19 21:48:22,027 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 2704 transitions. [2019-11-19 21:48:22,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 21:48:22,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:22,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 767 states and 2718 transitions. [2019-11-19 21:48:22,146 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 2718 transitions. [2019-11-19 21:48:22,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 21:48:22,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:22,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 769 states and 2720 transitions. [2019-11-19 21:48:22,224 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 2720 transitions. [2019-11-19 21:48:22,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 21:48:22,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 771 states and 2722 transitions. [2019-11-19 21:48:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 2722 transitions. [2019-11-19 21:48:22,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 21:48:22,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:22,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 773 states and 2725 transitions. [2019-11-19 21:48:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 2725 transitions. [2019-11-19 21:48:22,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 21:48:22,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 775 states and 2728 transitions. [2019-11-19 21:48:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 2728 transitions. [2019-11-19 21:48:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 21:48:22,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 775 states and 2724 transitions. [2019-11-19 21:48:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 2724 transitions. [2019-11-19 21:48:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 21:48:22,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:22,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 777 states and 2738 transitions. [2019-11-19 21:48:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 2738 transitions. [2019-11-19 21:48:22,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 21:48:22,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 779 states and 2740 transitions. [2019-11-19 21:48:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 2740 transitions. [2019-11-19 21:48:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 21:48:22,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 781 states and 2742 transitions. [2019-11-19 21:48:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 2742 transitions. [2019-11-19 21:48:22,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 21:48:22,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:22,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 783 states and 2745 transitions. [2019-11-19 21:48:22,921 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 2745 transitions. [2019-11-19 21:48:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 21:48:22,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:22,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 785 states and 2748 transitions. [2019-11-19 21:48:22,984 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 2748 transitions. [2019-11-19 21:48:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 21:48:22,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 785 states and 2744 transitions. [2019-11-19 21:48:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 2744 transitions. [2019-11-19 21:48:23,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 21:48:23,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 787 states and 2758 transitions. [2019-11-19 21:48:23,165 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 2758 transitions. [2019-11-19 21:48:23,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 21:48:23,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 789 states and 2760 transitions. [2019-11-19 21:48:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 2760 transitions. [2019-11-19 21:48:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 21:48:23,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 791 states and 2762 transitions. [2019-11-19 21:48:23,421 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 2762 transitions. [2019-11-19 21:48:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 21:48:23,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 793 states and 2765 transitions. [2019-11-19 21:48:23,472 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2765 transitions. [2019-11-19 21:48:23,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 21:48:23,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:23,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 795 states and 2768 transitions. [2019-11-19 21:48:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 2768 transitions. [2019-11-19 21:48:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 21:48:23,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:23,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 795 states and 2764 transitions. [2019-11-19 21:48:23,583 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 2764 transitions. [2019-11-19 21:48:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 21:48:23,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:23,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 797 states and 2778 transitions. [2019-11-19 21:48:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 2778 transitions. [2019-11-19 21:48:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 21:48:23,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 799 states and 2780 transitions. [2019-11-19 21:48:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 2780 transitions. [2019-11-19 21:48:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 21:48:23,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:23,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 801 states and 2782 transitions. [2019-11-19 21:48:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 2782 transitions. [2019-11-19 21:48:23,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 21:48:23,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 803 states and 2785 transitions. [2019-11-19 21:48:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 2785 transitions. [2019-11-19 21:48:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 21:48:23,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:23,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 805 states and 2788 transitions. [2019-11-19 21:48:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 2788 transitions. [2019-11-19 21:48:23,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 21:48:23,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:24,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 805 states and 2784 transitions. [2019-11-19 21:48:24,081 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 2784 transitions. [2019-11-19 21:48:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-19 21:48:24,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 807 states and 2798 transitions. [2019-11-19 21:48:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 2798 transitions. [2019-11-19 21:48:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-19 21:48:24,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:24,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:24,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 809 states and 2800 transitions. [2019-11-19 21:48:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 2800 transitions. [2019-11-19 21:48:24,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-19 21:48:24,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,385 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 811 states and 2802 transitions. [2019-11-19 21:48:24,439 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 2802 transitions. [2019-11-19 21:48:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-19 21:48:24,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:24,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 813 states and 2805 transitions. [2019-11-19 21:48:24,524 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 2805 transitions. [2019-11-19 21:48:24,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-19 21:48:24,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:24,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:24,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 815 states and 2808 transitions. [2019-11-19 21:48:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 2808 transitions. [2019-11-19 21:48:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-19 21:48:24,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:24,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:24,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 815 states and 2804 transitions. [2019-11-19 21:48:24,670 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 2804 transitions. [2019-11-19 21:48:24,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 21:48:24,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:24,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 817 states and 2818 transitions. [2019-11-19 21:48:24,780 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 2818 transitions. [2019-11-19 21:48:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 21:48:24,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:24,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:24,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 819 states and 2820 transitions. [2019-11-19 21:48:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 2820 transitions. [2019-11-19 21:48:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 21:48:24,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:24,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:24,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 821 states and 2822 transitions. [2019-11-19 21:48:24,952 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 2822 transitions. [2019-11-19 21:48:24,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 21:48:24,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:25,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 823 states and 2825 transitions. [2019-11-19 21:48:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 2825 transitions. [2019-11-19 21:48:25,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 21:48:25,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 825 states and 2828 transitions. [2019-11-19 21:48:25,115 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 2828 transitions. [2019-11-19 21:48:25,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 21:48:25,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 825 states and 2824 transitions. [2019-11-19 21:48:25,174 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 2824 transitions. [2019-11-19 21:48:25,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-19 21:48:25,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 827 states and 2838 transitions. [2019-11-19 21:48:25,287 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 2838 transitions. [2019-11-19 21:48:25,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-19 21:48:25,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 829 states and 2840 transitions. [2019-11-19 21:48:25,363 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2840 transitions. [2019-11-19 21:48:25,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-19 21:48:25,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 831 states and 2842 transitions. [2019-11-19 21:48:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 2842 transitions. [2019-11-19 21:48:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-19 21:48:25,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 833 states and 2845 transitions. [2019-11-19 21:48:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 2845 transitions. [2019-11-19 21:48:25,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-19 21:48:25,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:25,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 835 states and 2848 transitions. [2019-11-19 21:48:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 2848 transitions. [2019-11-19 21:48:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-19 21:48:25,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:25,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 835 states and 2844 transitions. [2019-11-19 21:48:25,600 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 2844 transitions. [2019-11-19 21:48:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 21:48:25,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:25,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 837 states and 2858 transitions. [2019-11-19 21:48:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 2858 transitions. [2019-11-19 21:48:25,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 21:48:25,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:25,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 839 states and 2860 transitions. [2019-11-19 21:48:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 2860 transitions. [2019-11-19 21:48:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 21:48:25,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:25,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 841 states and 2862 transitions. [2019-11-19 21:48:25,881 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 2862 transitions. [2019-11-19 21:48:25,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 21:48:25,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:25,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 843 states and 2865 transitions. [2019-11-19 21:48:25,934 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 2865 transitions. [2019-11-19 21:48:25,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 21:48:25,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 845 states and 2868 transitions. [2019-11-19 21:48:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 2868 transitions. [2019-11-19 21:48:25,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 21:48:25,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:26,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 845 states and 2864 transitions. [2019-11-19 21:48:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 2864 transitions. [2019-11-19 21:48:26,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-19 21:48:26,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:26,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 847 states and 2878 transitions. [2019-11-19 21:48:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 2878 transitions. [2019-11-19 21:48:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-19 21:48:26,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 849 states and 2880 transitions. [2019-11-19 21:48:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 2880 transitions. [2019-11-19 21:48:26,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-19 21:48:26,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 851 states and 2882 transitions. [2019-11-19 21:48:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 2882 transitions. [2019-11-19 21:48:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-19 21:48:26,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,477 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 853 states and 2885 transitions. [2019-11-19 21:48:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 2885 transitions. [2019-11-19 21:48:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-19 21:48:26,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:26,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 855 states and 2888 transitions. [2019-11-19 21:48:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 2888 transitions. [2019-11-19 21:48:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-19 21:48:26,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:26,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 855 states and 2884 transitions. [2019-11-19 21:48:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 2884 transitions. [2019-11-19 21:48:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 21:48:26,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,675 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 857 states and 2898 transitions. [2019-11-19 21:48:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 2898 transitions. [2019-11-19 21:48:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 21:48:26,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 859 states and 2900 transitions. [2019-11-19 21:48:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 2900 transitions. [2019-11-19 21:48:26,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 21:48:26,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:26,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 861 states and 2902 transitions. [2019-11-19 21:48:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 2902 transitions. [2019-11-19 21:48:26,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 21:48:26,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:27,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 863 states and 2905 transitions. [2019-11-19 21:48:27,039 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 2905 transitions. [2019-11-19 21:48:27,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 21:48:27,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 865 states and 2908 transitions. [2019-11-19 21:48:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 2908 transitions. [2019-11-19 21:48:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 21:48:27,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:27,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 865 states and 2904 transitions. [2019-11-19 21:48:27,159 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 2904 transitions. [2019-11-19 21:48:27,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-19 21:48:27,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 867 states and 2918 transitions. [2019-11-19 21:48:27,263 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 2918 transitions. [2019-11-19 21:48:27,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-19 21:48:27,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 869 states and 2920 transitions. [2019-11-19 21:48:27,349 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 2920 transitions. [2019-11-19 21:48:27,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-19 21:48:27,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 871 states and 2922 transitions. [2019-11-19 21:48:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 2922 transitions. [2019-11-19 21:48:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-19 21:48:27,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 873 states and 2925 transitions. [2019-11-19 21:48:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 2925 transitions. [2019-11-19 21:48:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-19 21:48:27,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,498 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 875 states and 2928 transitions. [2019-11-19 21:48:27,542 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 2928 transitions. [2019-11-19 21:48:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-19 21:48:27,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 875 states and 2924 transitions. [2019-11-19 21:48:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 2924 transitions. [2019-11-19 21:48:27,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-19 21:48:27,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 877 states and 2938 transitions. [2019-11-19 21:48:27,718 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 2938 transitions. [2019-11-19 21:48:27,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-19 21:48:27,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 879 states and 2940 transitions. [2019-11-19 21:48:27,859 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 2940 transitions. [2019-11-19 21:48:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-19 21:48:27,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 881 states and 2942 transitions. [2019-11-19 21:48:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 2942 transitions. [2019-11-19 21:48:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-19 21:48:27,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 883 states and 2945 transitions. [2019-11-19 21:48:28,050 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 2945 transitions. [2019-11-19 21:48:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-19 21:48:28,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 885 states and 2948 transitions. [2019-11-19 21:48:28,141 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 2948 transitions. [2019-11-19 21:48:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-19 21:48:28,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 885 states and 2944 transitions. [2019-11-19 21:48:28,235 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 2944 transitions. [2019-11-19 21:48:28,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 21:48:28,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:28,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 887 states and 2958 transitions. [2019-11-19 21:48:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 2958 transitions. [2019-11-19 21:48:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 21:48:28,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 889 states and 2960 transitions. [2019-11-19 21:48:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 2960 transitions. [2019-11-19 21:48:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 21:48:28,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 891 states and 2962 transitions. [2019-11-19 21:48:28,556 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 2962 transitions. [2019-11-19 21:48:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 21:48:28,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:28,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 893 states and 2965 transitions. [2019-11-19 21:48:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 2965 transitions. [2019-11-19 21:48:28,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 21:48:28,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:28,640 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:28,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 895 states and 2968 transitions. [2019-11-19 21:48:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 2968 transitions. [2019-11-19 21:48:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 21:48:28,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 895 states and 2964 transitions. [2019-11-19 21:48:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 2964 transitions. [2019-11-19 21:48:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 21:48:28,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 897 states and 2978 transitions. [2019-11-19 21:48:28,916 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 2978 transitions. [2019-11-19 21:48:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 21:48:28,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 899 states and 2980 transitions. [2019-11-19 21:48:29,002 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 2980 transitions. [2019-11-19 21:48:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 21:48:29,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 901 states and 2982 transitions. [2019-11-19 21:48:29,079 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 2982 transitions. [2019-11-19 21:48:29,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 21:48:29,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,098 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:29,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 903 states and 2985 transitions. [2019-11-19 21:48:29,141 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 2985 transitions. [2019-11-19 21:48:29,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 21:48:29,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,161 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:29,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 905 states and 2988 transitions. [2019-11-19 21:48:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 2988 transitions. [2019-11-19 21:48:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 21:48:29,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,276 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 905 states and 2984 transitions. [2019-11-19 21:48:29,359 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 2984 transitions. [2019-11-19 21:48:29,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 21:48:29,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 907 states and 2986 transitions. [2019-11-19 21:48:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 2986 transitions. [2019-11-19 21:48:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 21:48:29,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 909 states and 2988 transitions. [2019-11-19 21:48:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 2988 transitions. [2019-11-19 21:48:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 21:48:29,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 911 states and 2991 transitions. [2019-11-19 21:48:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 2991 transitions. [2019-11-19 21:48:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 21:48:29,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:29,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 913 states and 2994 transitions. [2019-11-19 21:48:29,676 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 2994 transitions. [2019-11-19 21:48:29,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 21:48:29,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,690 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:29,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 913 states and 2990 transitions. [2019-11-19 21:48:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 2990 transitions. [2019-11-19 21:48:29,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-19 21:48:29,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:29,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 915 states and 2992 transitions. [2019-11-19 21:48:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 2992 transitions. [2019-11-19 21:48:29,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-19 21:48:29,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:29,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 917 states and 2994 transitions. [2019-11-19 21:48:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 2994 transitions. [2019-11-19 21:48:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-19 21:48:29,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 919 states and 2997 transitions. [2019-11-19 21:48:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 2997 transitions. [2019-11-19 21:48:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-19 21:48:29,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 921 states and 3000 transitions. [2019-11-19 21:48:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 3000 transitions. [2019-11-19 21:48:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-19 21:48:30,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:30,035 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:30,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 921 states and 2996 transitions. [2019-11-19 21:48:30,083 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 2996 transitions. [2019-11-19 21:48:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-19 21:48:30,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:30,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 923 states and 2998 transitions. [2019-11-19 21:48:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 2998 transitions. [2019-11-19 21:48:30,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-19 21:48:30,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:30,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 925 states and 3000 transitions. [2019-11-19 21:48:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 3000 transitions. [2019-11-19 21:48:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-19 21:48:30,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:30,328 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 927 states and 3003 transitions. [2019-11-19 21:48:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 3003 transitions. [2019-11-19 21:48:30,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-19 21:48:30,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 929 states and 3006 transitions. [2019-11-19 21:48:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 3006 transitions. [2019-11-19 21:48:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-19 21:48:30,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:30,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:30,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 929 states and 3002 transitions. [2019-11-19 21:48:30,549 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 3002 transitions. [2019-11-19 21:48:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 21:48:30,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 931 states and 3004 transitions. [2019-11-19 21:48:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 3004 transitions. [2019-11-19 21:48:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 21:48:30,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 933 states and 3006 transitions. [2019-11-19 21:48:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 3006 transitions. [2019-11-19 21:48:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 21:48:30,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 935 states and 3009 transitions. [2019-11-19 21:48:30,968 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 3009 transitions. [2019-11-19 21:48:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 21:48:30,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:31,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 937 states and 3012 transitions. [2019-11-19 21:48:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 3012 transitions. [2019-11-19 21:48:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 21:48:31,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 937 states and 3008 transitions. [2019-11-19 21:48:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 3008 transitions. [2019-11-19 21:48:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-19 21:48:31,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 939 states and 3010 transitions. [2019-11-19 21:48:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 3010 transitions. [2019-11-19 21:48:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-19 21:48:31,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 941 states and 3012 transitions. [2019-11-19 21:48:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 3012 transitions. [2019-11-19 21:48:31,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-19 21:48:31,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 943 states and 3015 transitions. [2019-11-19 21:48:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 3015 transitions. [2019-11-19 21:48:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-19 21:48:31,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 945 states and 3018 transitions. [2019-11-19 21:48:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 3018 transitions. [2019-11-19 21:48:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-19 21:48:31,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,422 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 945 states and 3014 transitions. [2019-11-19 21:48:31,471 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 3014 transitions. [2019-11-19 21:48:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-19 21:48:31,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,517 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 947 states and 3018 transitions. [2019-11-19 21:48:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 3018 transitions. [2019-11-19 21:48:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-19 21:48:31,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,600 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:31,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 949 states and 3020 transitions. [2019-11-19 21:48:31,642 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 3020 transitions. [2019-11-19 21:48:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-19 21:48:31,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 951 states and 3023 transitions. [2019-11-19 21:48:31,707 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 3023 transitions. [2019-11-19 21:48:31,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-19 21:48:31,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:31,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 953 states and 3026 transitions. [2019-11-19 21:48:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 3026 transitions. [2019-11-19 21:48:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-19 21:48:31,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 953 states and 3022 transitions. [2019-11-19 21:48:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 3022 transitions. [2019-11-19 21:48:31,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-19 21:48:31,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:31,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 954 states and 3018 transitions. [2019-11-19 21:48:31,963 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 3018 transitions. [2019-11-19 21:48:31,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-19 21:48:31,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 956 states and 3020 transitions. [2019-11-19 21:48:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 3020 transitions. [2019-11-19 21:48:32,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-19 21:48:32,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:32,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 958 states and 3023 transitions. [2019-11-19 21:48:32,118 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 3023 transitions. [2019-11-19 21:48:32,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-19 21:48:32,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 960 states and 3026 transitions. [2019-11-19 21:48:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 3026 transitions. [2019-11-19 21:48:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-19 21:48:32,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:32,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 960 states and 3022 transitions. [2019-11-19 21:48:32,251 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 3022 transitions. [2019-11-19 21:48:32,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 21:48:32,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:32,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 962 states and 3025 transitions. [2019-11-19 21:48:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 3025 transitions. [2019-11-19 21:48:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 21:48:32,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 963 states and 3026 transitions. [2019-11-19 21:48:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 3026 transitions. [2019-11-19 21:48:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 21:48:32,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:32,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 965 states and 3028 transitions. [2019-11-19 21:48:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 3028 transitions. [2019-11-19 21:48:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 21:48:32,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 967 states and 3031 transitions. [2019-11-19 21:48:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 3031 transitions. [2019-11-19 21:48:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 21:48:32,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 969 states and 3034 transitions. [2019-11-19 21:48:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 3034 transitions. [2019-11-19 21:48:32,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 21:48:32,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:32,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 969 states and 3030 transitions. [2019-11-19 21:48:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 3030 transitions. [2019-11-19 21:48:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 21:48:32,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:32,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 969 states and 3024 transitions. [2019-11-19 21:48:32,804 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 3024 transitions. [2019-11-19 21:48:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 21:48:32,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,840 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:32,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 971 states and 3028 transitions. [2019-11-19 21:48:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 3028 transitions. [2019-11-19 21:48:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 21:48:32,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:32,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 973 states and 3031 transitions. [2019-11-19 21:48:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 3031 transitions. [2019-11-19 21:48:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 21:48:32,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:33,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 975 states and 3034 transitions. [2019-11-19 21:48:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 3034 transitions. [2019-11-19 21:48:33,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 21:48:33,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 975 states and 3030 transitions. [2019-11-19 21:48:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 3030 transitions. [2019-11-19 21:48:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 21:48:33,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 977 states and 3032 transitions. [2019-11-19 21:48:33,217 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 3032 transitions. [2019-11-19 21:48:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 21:48:33,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 985 states and 3049 transitions. [2019-11-19 21:48:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 3049 transitions. [2019-11-19 21:48:33,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 21:48:33,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:33,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 987 states and 3052 transitions. [2019-11-19 21:48:33,395 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 3052 transitions. [2019-11-19 21:48:33,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 21:48:33,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,413 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 987 states and 3048 transitions. [2019-11-19 21:48:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 3048 transitions. [2019-11-19 21:48:33,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 21:48:33,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,497 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 989 states and 3051 transitions. [2019-11-19 21:48:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 3051 transitions. [2019-11-19 21:48:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 21:48:33,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,564 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 990 states and 3052 transitions. [2019-11-19 21:48:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 3052 transitions. [2019-11-19 21:48:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 21:48:33,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:33,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 992 states and 3055 transitions. [2019-11-19 21:48:33,663 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 3055 transitions. [2019-11-19 21:48:33,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 21:48:33,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:33,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 994 states and 3059 transitions. [2019-11-19 21:48:33,728 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 3059 transitions. [2019-11-19 21:48:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 21:48:33,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 994 states and 3055 transitions. [2019-11-19 21:48:33,795 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 3055 transitions. [2019-11-19 21:48:33,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 21:48:33,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 996 states and 3059 transitions. [2019-11-19 21:48:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 3059 transitions. [2019-11-19 21:48:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 21:48:33,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 997 states and 3059 transitions. [2019-11-19 21:48:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 3059 transitions. [2019-11-19 21:48:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 21:48:33,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:48:33,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 998 states and 3060 transitions. [2019-11-19 21:48:33,994 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 3060 transitions. [2019-11-19 21:48:33,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 21:48:33,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:34,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 1000 states and 3063 transitions. [2019-11-19 21:48:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 3063 transitions. [2019-11-19 21:48:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 21:48:34,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 1000 states and 3059 transitions. [2019-11-19 21:48:34,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 3059 transitions. [2019-11-19 21:48:34,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-19 21:48:34,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 1002 states and 3063 transitions. [2019-11-19 21:48:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 3063 transitions. [2019-11-19 21:48:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-19 21:48:34,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 21:48:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 1003 states and 3064 transitions. [2019-11-19 21:48:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 3064 transitions. [2019-11-19 21:48:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-19 21:48:34,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,326 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 1004 states and 3065 transitions. [2019-11-19 21:48:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 3065 transitions. [2019-11-19 21:48:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-19 21:48:34,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 1006 states and 3068 transitions. [2019-11-19 21:48:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 3068 transitions. [2019-11-19 21:48:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-19 21:48:34,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 21:48:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 1007 states and 3069 transitions. [2019-11-19 21:48:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 3069 transitions. [2019-11-19 21:48:34,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-19 21:48:34,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 1009 states and 3071 transitions. [2019-11-19 21:48:34,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 3071 transitions. [2019-11-19 21:48:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-19 21:48:34,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,603 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 21:48:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 1011 states and 3073 transitions. [2019-11-19 21:48:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 3073 transitions. [2019-11-19 21:48:34,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-19 21:48:34,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 1013 states and 3076 transitions. [2019-11-19 21:48:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 3076 transitions. [2019-11-19 21:48:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-19 21:48:34,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,720 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 1014 states and 3076 transitions. [2019-11-19 21:48:34,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 3076 transitions. [2019-11-19 21:48:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-19 21:48:34,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 21:48:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 1016 states and 3078 transitions. [2019-11-19 21:48:34,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 3078 transitions. [2019-11-19 21:48:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-19 21:48:34,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 21:48:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 1018 states and 3081 transitions. [2019-11-19 21:48:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 3081 transitions. [2019-11-19 21:48:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-19 21:48:34,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 21:48:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 1019 states and 3081 transitions. [2019-11-19 21:48:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 3081 transitions. [2019-11-19 21:48:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-19 21:48:34,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 21:48:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:35,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 1020 states and 3081 transitions. [2019-11-19 21:48:35,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 3081 transitions. [2019-11-19 21:48:35,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-19 21:48:35,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:48:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 21:48:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:48:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 181 states and 255 transitions. [2019-11-19 21:48:35,137 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 255 transitions. [2019-11-19 21:48:35,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:48:35,138 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 401 iterations. [2019-11-19 21:48:35,147 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 21:48:36,084 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 21:48:36,088 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-19 21:48:36,094 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-11-19 21:48:36,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 09:48:36 ImpRootNode [2019-11-19 21:48:36,097 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 21:48:36,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:48:36,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:48:36,098 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:48:36,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:47:45" (3/4) ... [2019-11-19 21:48:36,102 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:48:36,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:48:36,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:48:36,171 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb842bbc-8003-4795-a9d4-5ab8f0f2a4ab/bin/ukojak/witness.graphml [2019-11-19 21:48:36,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:48:36,174 INFO L168 Benchmark]: Toolchain (without parser) took 53882.20 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 938.1 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 758.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:36,174 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:48:36,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1121.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -101.8 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:36,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:36,176 INFO L168 Benchmark]: Boogie Preprocessor took 130.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:36,177 INFO L168 Benchmark]: RCFGBuilder took 1770.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -207.2 MB). Peak memory consumption was 221.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:36,177 INFO L168 Benchmark]: CodeCheck took 50624.83 ms. Allocated memory was 1.3 GB in the beginning and 2.9 GB in the end (delta: 1.6 GB). Free memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: -847.2 MB). Peak memory consumption was 730.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:36,178 INFO L168 Benchmark]: Witness Printer took 74.23 ms. Allocated memory is still 2.9 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:36,181 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, 235 locations, 1 error locations. Result: SAFE, OverallTime: 49.6s, OverallIterations: 401, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 16777216 SDtfs, 1092507976 SDslu, 1758958944 SDs, 0 SdLazy, 1901554632 SolverSat, 537001984 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1624.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 478957 GetRequests, 469337 SyntacticMatches, 9290 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193412 ImplicationChecksByTransitivity, 27.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 21630 NumberOfCodeBlocks, 21630 NumberOfCodeBlocksAsserted, 400 NumberOfCheckSat, 21230 ConstructedInterpolants, 0 QuantifiedInterpolants, 3077220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 400 InterpolantComputations, 279 PerfectInterpolantSequences, 7143/7594 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: 1254]: 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: q == 0 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((q == 3 && 1 <= this_m_conn) && 1 <= this_m_delta) && 1 <= this_m_conn_data_listener) || (((q == 4 && 1 <= this_m_conn) && 1 <= this_m_delta) && this_m_conn_data_listener == 0)) || q == 0) || (((1 <= this_m_delta && this_m_conn_data_listener == 0) && 0 == this_m_conn) && 2 == q) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1121.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -101.8 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 153.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 130.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1770.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -207.2 MB). Peak memory consumption was 221.6 MB. Max. memory is 11.5 GB. * CodeCheck took 50624.83 ms. Allocated memory was 1.3 GB in the beginning and 2.9 GB in the end (delta: 1.6 GB). Free memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: -847.2 MB). Peak memory consumption was 730.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.23 ms. Allocated memory is still 2.9 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...