./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f5e2cf5778d35276df37ef4653bf7d5a3d1b66b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:14:43,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:14:43,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:14:43,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:14:43,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:14:43,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:14:43,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:14:43,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:14:43,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:14:43,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:14:43,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:14:43,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:14:43,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:14:43,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:14:43,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:14:43,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:14:43,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:14:43,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:14:43,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:14:43,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:14:43,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:14:43,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:14:43,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:14:43,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:14:43,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:14:43,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:14:43,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:14:43,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:14:43,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:14:43,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:14:43,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:14:43,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:14:43,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:14:43,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:14:43,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:14:43,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:14:43,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:14:43,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:14:43,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:14:43,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:14:43,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:14:43,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:14:44,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:14:44,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:14:44,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:14:44,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:14:44,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:14:44,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:14:44,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:14:44,020 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:14:44,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:14:44,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:14:44,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:14:44,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:14:44,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:14:44,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:14:44,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:14:44,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:14:44,023 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:14:44,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:14:44,024 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:14:44,024 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:14:44,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:14:44,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:14:44,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:14:44,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:14:44,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:14:44,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:14:44,025 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:14:44,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:14:44,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:14:44,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f5e2cf5778d35276df37ef4653bf7d5a3d1b66b [2020-12-01 16:14:44,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:14:44,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:14:44,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:14:44,372 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:14:44,373 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:14:44,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label24.c [2020-12-01 16:14:44,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/data/ca262af0b/39ca78db4fe048f9b52b4d0b509633ea/FLAGc1b57aa80 [2020-12-01 16:14:45,090 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:14:45,092 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/sv-benchmarks/c/eca-rers2012/Problem01_label24.c [2020-12-01 16:14:45,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/data/ca262af0b/39ca78db4fe048f9b52b4d0b509633ea/FLAGc1b57aa80 [2020-12-01 16:14:45,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/data/ca262af0b/39ca78db4fe048f9b52b4d0b509633ea [2020-12-01 16:14:45,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:14:45,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:14:45,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:45,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:14:45,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:14:45,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:45,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d17d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45, skipping insertion in model container [2020-12-01 16:14:45,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:45,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:14:45,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:14:45,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:45,792 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:14:45,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:45,949 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:14:45,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45 WrapperNode [2020-12-01 16:14:45,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:45,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:45,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:14:45,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:14:45,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:46,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:46,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:46,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:14:46,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:14:46,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:14:46,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:46,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:46,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:46,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:46,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:46,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:46,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45" (1/1) ... [2020-12-01 16:14:46,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:14:46,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:14:46,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:14:46,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:14:46,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/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 [2020-12-01 16:14:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:14:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:14:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:14:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:14:48,301 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:14:48,302 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:14:48,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:48 BoogieIcfgContainer [2020-12-01 16:14:48,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:14:48,306 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:14:48,307 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:14:48,318 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:14:48,318 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:48" (1/1) ... [2020-12-01 16:14:48,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:14:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-12-01 16:14:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-12-01 16:14:48,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:14:48,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:49,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 145 states and 261 transitions. [2020-12-01 16:14:49,536 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 261 transitions. [2020-12-01 16:14:49,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:14:49,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:50,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 215 states and 388 transitions. [2020-12-01 16:14:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 388 transitions. [2020-12-01 16:14:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:14:50,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 220 states and 395 transitions. [2020-12-01 16:14:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 395 transitions. [2020-12-01 16:14:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:14:50,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:51,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 295 states and 473 transitions. [2020-12-01 16:14:52,361 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 473 transitions. [2020-12-01 16:14:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:14:52,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 296 states and 475 transitions. [2020-12-01 16:14:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 475 transitions. [2020-12-01 16:14:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:14:52,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 297 states and 477 transitions. [2020-12-01 16:14:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 477 transitions. [2020-12-01 16:14:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 16:14:52,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 300 states and 480 transitions. [2020-12-01 16:14:52,808 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 480 transitions. [2020-12-01 16:14:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:14:52,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:53,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 308 states and 491 transitions. [2020-12-01 16:14:53,208 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 491 transitions. [2020-12-01 16:14:53,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:14:53,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 315 states and 503 transitions. [2020-12-01 16:14:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 503 transitions. [2020-12-01 16:14:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:14:53,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 320 states and 509 transitions. [2020-12-01 16:14:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 509 transitions. [2020-12-01 16:14:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:14:53,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 329 states and 526 transitions. [2020-12-01 16:14:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 526 transitions. [2020-12-01 16:14:54,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:14:54,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 331 states and 529 transitions. [2020-12-01 16:14:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 529 transitions. [2020-12-01 16:14:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:14:55,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 342 states and 545 transitions. [2020-12-01 16:14:55,732 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 545 transitions. [2020-12-01 16:14:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:14:55,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 351 states and 558 transitions. [2020-12-01 16:14:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 558 transitions. [2020-12-01 16:14:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:14:56,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 352 states and 558 transitions. [2020-12-01 16:14:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 558 transitions. [2020-12-01 16:14:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:14:56,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 356 states and 563 transitions. [2020-12-01 16:14:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 563 transitions. [2020-12-01 16:14:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:14:56,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:57,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 361 states and 569 transitions. [2020-12-01 16:14:57,117 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 569 transitions. [2020-12-01 16:14:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-01 16:14:57,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:57,191 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:57,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 364 states and 573 transitions. [2020-12-01 16:14:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 573 transitions. [2020-12-01 16:14:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 16:14:57,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:58,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 379 states and 595 transitions. [2020-12-01 16:14:58,656 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 595 transitions. [2020-12-01 16:14:58,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 16:14:58,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 393 states and 612 transitions. [2020-12-01 16:14:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 612 transitions. [2020-12-01 16:14:59,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-01 16:14:59,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:14:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 401 states and 621 transitions. [2020-12-01 16:14:59,555 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 621 transitions. [2020-12-01 16:14:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-01 16:14:59,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:59,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 408 states and 629 transitions. [2020-12-01 16:14:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 629 transitions. [2020-12-01 16:14:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:14:59,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:15:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 430 states and 660 transitions. [2020-12-01 16:15:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 660 transitions. [2020-12-01 16:15:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:15:01,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 438 states and 669 transitions. [2020-12-01 16:15:01,584 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 669 transitions. [2020-12-01 16:15:01,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-01 16:15:01,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 439 states and 670 transitions. [2020-12-01 16:15:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 670 transitions. [2020-12-01 16:15:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 16:15:01,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:15:01,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 446 states and 677 transitions. [2020-12-01 16:15:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 677 transitions. [2020-12-01 16:15:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 16:15:01,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:15:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 455 states and 688 transitions. [2020-12-01 16:15:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 688 transitions. [2020-12-01 16:15:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 16:15:02,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:02,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 472 states and 707 transitions. [2020-12-01 16:15:02,473 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 707 transitions. [2020-12-01 16:15:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 16:15:02,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:02,525 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 473 states and 709 transitions. [2020-12-01 16:15:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 709 transitions. [2020-12-01 16:15:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:15:02,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:02,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:02,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 483 states and 720 transitions. [2020-12-01 16:15:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 720 transitions. [2020-12-01 16:15:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-01 16:15:02,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 484 states and 722 transitions. [2020-12-01 16:15:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 722 transitions. [2020-12-01 16:15:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 16:15:02,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:02,920 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:15:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 493 states and 731 transitions. [2020-12-01 16:15:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 731 transitions. [2020-12-01 16:15:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 16:15:03,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:15:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 509 states and 749 transitions. [2020-12-01 16:15:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 749 transitions. [2020-12-01 16:15:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 16:15:03,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 526 states and 767 transitions. [2020-12-01 16:15:04,241 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 767 transitions. [2020-12-01 16:15:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 16:15:04,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:04,307 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 543 states and 786 transitions. [2020-12-01 16:15:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 786 transitions. [2020-12-01 16:15:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 16:15:04,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:15:04,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:04,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 544 states and 788 transitions. [2020-12-01 16:15:04,728 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 788 transitions. [2020-12-01 16:15:04,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 16:15:04,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:04,868 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 614 states and 895 transitions. [2020-12-01 16:15:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 895 transitions. [2020-12-01 16:15:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:15:06,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:06,130 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 626 states and 910 transitions. [2020-12-01 16:15:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 910 transitions. [2020-12-01 16:15:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:15:06,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:06,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 628 states and 911 transitions. [2020-12-01 16:15:06,990 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 911 transitions. [2020-12-01 16:15:06,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 16:15:06,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 637 states and 920 transitions. [2020-12-01 16:15:07,140 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 920 transitions. [2020-12-01 16:15:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 16:15:07,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:15:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 655 states and 943 transitions. [2020-12-01 16:15:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 943 transitions. [2020-12-01 16:15:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 16:15:08,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:15:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 661 states and 951 transitions. [2020-12-01 16:15:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 951 transitions. [2020-12-01 16:15:08,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 16:15:08,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:15:08,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:08,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 662 states and 951 transitions. [2020-12-01 16:15:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 951 transitions. [2020-12-01 16:15:08,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:15:08,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:08,662 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:08,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 663 states and 953 transitions. [2020-12-01 16:15:08,764 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 953 transitions. [2020-12-01 16:15:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:15:08,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:09,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 675 states and 965 transitions. [2020-12-01 16:15:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 965 transitions. [2020-12-01 16:15:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-01 16:15:09,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:11,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 790 states and 1100 transitions. [2020-12-01 16:15:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1100 transitions. [2020-12-01 16:15:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-01 16:15:11,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:15:11,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:11,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 793 states and 1104 transitions. [2020-12-01 16:15:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1104 transitions. [2020-12-01 16:15:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-01 16:15:11,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:15:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 821 states and 1135 transitions. [2020-12-01 16:15:12,779 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1135 transitions. [2020-12-01 16:15:12,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-01 16:15:12,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:12,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 827 states and 1144 transitions. [2020-12-01 16:15:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1144 transitions. [2020-12-01 16:15:12,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-01 16:15:12,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:13,006 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:15:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:13,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 830 states and 1147 transitions. [2020-12-01 16:15:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1147 transitions. [2020-12-01 16:15:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:15:13,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 875 states and 1198 transitions. [2020-12-01 16:15:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1198 transitions. [2020-12-01 16:15:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:15:14,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 919 states and 1247 transitions. [2020-12-01 16:15:15,939 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1247 transitions. [2020-12-01 16:15:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:15:15,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:15:16,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 924 states and 1252 transitions. [2020-12-01 16:15:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1252 transitions. [2020-12-01 16:15:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:15:16,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:15:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 925 states and 1254 transitions. [2020-12-01 16:15:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1254 transitions. [2020-12-01 16:15:16,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:15:16,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:18,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 971 states and 1304 transitions. [2020-12-01 16:15:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1304 transitions. [2020-12-01 16:15:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-01 16:15:18,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:18,107 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:15:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:19,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1041 states and 1376 transitions. [2020-12-01 16:15:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1376 transitions. [2020-12-01 16:15:19,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-01 16:15:19,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:19,476 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:20,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1052 states and 1389 transitions. [2020-12-01 16:15:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1389 transitions. [2020-12-01 16:15:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-01 16:15:20,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1055 states and 1394 transitions. [2020-12-01 16:15:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1394 transitions. [2020-12-01 16:15:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-01 16:15:21,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1074 states and 1416 transitions. [2020-12-01 16:15:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1416 transitions. [2020-12-01 16:15:22,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-01 16:15:22,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1093 states and 1438 transitions. [2020-12-01 16:15:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1438 transitions. [2020-12-01 16:15:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 16:15:22,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 16:15:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1106 states and 1454 transitions. [2020-12-01 16:15:23,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1454 transitions. [2020-12-01 16:15:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 16:15:23,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:15:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1158 states and 1514 transitions. [2020-12-01 16:15:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1514 transitions. [2020-12-01 16:15:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 16:15:25,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:25,973 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1163 states and 1520 transitions. [2020-12-01 16:15:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1520 transitions. [2020-12-01 16:15:26,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 16:15:26,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:15:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:27,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1194 states and 1556 transitions. [2020-12-01 16:15:27,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1556 transitions. [2020-12-01 16:15:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 16:15:27,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:28,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1199 states and 1562 transitions. [2020-12-01 16:15:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1562 transitions. [2020-12-01 16:15:28,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 16:15:28,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 72 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:30,174 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2020-12-01 16:15:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1268 states and 1650 transitions. [2020-12-01 16:15:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1650 transitions. [2020-12-01 16:15:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 16:15:34,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 72 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:34,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1269 states and 1650 transitions. [2020-12-01 16:15:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1650 transitions. [2020-12-01 16:15:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 16:15:34,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 72 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1270 states and 1650 transitions. [2020-12-01 16:15:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1650 transitions. [2020-12-01 16:15:34,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 16:15:34,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:36,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:36,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1284 states and 1670 transitions. [2020-12-01 16:15:36,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1670 transitions. [2020-12-01 16:15:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 16:15:36,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1291 states and 1679 transitions. [2020-12-01 16:15:37,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1679 transitions. [2020-12-01 16:15:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 16:15:37,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:37,120 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:15:37,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1302 states and 1691 transitions. [2020-12-01 16:15:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1691 transitions. [2020-12-01 16:15:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:15:37,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:37,981 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1442 states and 1851 transitions. [2020-12-01 16:15:44,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1851 transitions. [2020-12-01 16:15:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-01 16:15:44,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:15:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1464 states and 1885 transitions. [2020-12-01 16:15:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1885 transitions. [2020-12-01 16:15:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 16:15:47,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 16:15:48,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:48,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1484 states and 1910 transitions. [2020-12-01 16:15:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1910 transitions. [2020-12-01 16:15:48,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-01 16:15:48,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1497 states and 1926 transitions. [2020-12-01 16:15:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1926 transitions. [2020-12-01 16:15:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 16:15:50,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:15:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1498 states and 1926 transitions. [2020-12-01 16:15:50,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1926 transitions. [2020-12-01 16:15:50,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 16:15:50,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:50,784 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1499 states and 1927 transitions. [2020-12-01 16:15:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1927 transitions. [2020-12-01 16:15:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 16:15:50,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1503 states and 1933 transitions. [2020-12-01 16:15:51,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1933 transitions. [2020-12-01 16:15:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-12-01 16:15:51,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:15:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1512 states and 1943 transitions. [2020-12-01 16:15:51,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1943 transitions. [2020-12-01 16:15:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 16:15:51,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-01 16:15:52,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1515 states and 1946 transitions. [2020-12-01 16:15:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1946 transitions. [2020-12-01 16:15:52,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 16:15:52,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-01 16:15:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:52,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1518 states and 1949 transitions. [2020-12-01 16:15:52,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1949 transitions. [2020-12-01 16:15:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 16:15:52,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 16:15:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1535 states and 1968 transitions. [2020-12-01 16:15:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1968 transitions. [2020-12-01 16:15:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 16:15:53,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 16:15:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1543 states and 1977 transitions. [2020-12-01 16:15:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1977 transitions. [2020-12-01 16:15:54,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 16:15:54,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 16:15:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1554 states and 1989 transitions. [2020-12-01 16:15:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1989 transitions. [2020-12-01 16:15:55,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-12-01 16:15:55,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 16:15:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1564 states and 2002 transitions. [2020-12-01 16:15:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2002 transitions. [2020-12-01 16:15:56,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-12-01 16:15:56,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:15:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:57,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1573 states and 2014 transitions. [2020-12-01 16:15:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2014 transitions. [2020-12-01 16:15:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:15:57,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 96 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 1632 states and 2086 transitions. [2020-12-01 16:16:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2086 transitions. [2020-12-01 16:16:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:16:02,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 96 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:03,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:03,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1645 states and 2102 transitions. [2020-12-01 16:16:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2102 transitions. [2020-12-01 16:16:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-01 16:16:03,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:16:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1653 states and 2120 transitions. [2020-12-01 16:16:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2120 transitions. [2020-12-01 16:16:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-01 16:16:06,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:16:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1661 states and 2141 transitions. [2020-12-01 16:16:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2141 transitions. [2020-12-01 16:16:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-01 16:16:10,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:16:14,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1683 states and 2171 transitions. [2020-12-01 16:16:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2171 transitions. [2020-12-01 16:16:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:16:14,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:16:16,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1699 states and 2196 transitions. [2020-12-01 16:16:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2196 transitions. [2020-12-01 16:16:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:16:16,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:16:18,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 1729 states and 2227 transitions. [2020-12-01 16:16:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2227 transitions. [2020-12-01 16:16:18,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:16:18,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:16:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 1730 states and 2228 transitions. [2020-12-01 16:16:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2228 transitions. [2020-12-01 16:16:19,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:16:19,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:19,166 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:16:20,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 1738 states and 2237 transitions. [2020-12-01 16:16:20,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2237 transitions. [2020-12-01 16:16:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:16:20,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:16:23,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 1749 states and 2252 transitions. [2020-12-01 16:16:23,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2252 transitions. [2020-12-01 16:16:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:16:23,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:16:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 1750 states and 2253 transitions. [2020-12-01 16:16:24,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2253 transitions. [2020-12-01 16:16:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 16:16:24,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:28,223 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-01 16:16:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:34,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 1788 states and 2314 transitions. [2020-12-01 16:16:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2314 transitions. [2020-12-01 16:16:34,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 16:16:34,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 1807 states and 2334 transitions. [2020-12-01 16:16:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2334 transitions. [2020-12-01 16:16:37,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 16:16:37,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:37,711 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 1813 states and 2345 transitions. [2020-12-01 16:16:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2345 transitions. [2020-12-01 16:16:40,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 16:16:40,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 1815 states and 2348 transitions. [2020-12-01 16:16:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2348 transitions. [2020-12-01 16:16:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 16:16:41,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:43,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 1819 states and 2351 transitions. [2020-12-01 16:16:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2351 transitions. [2020-12-01 16:16:43,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 16:16:43,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:43,419 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 16:16:47,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:47,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 1831 states and 2368 transitions. [2020-12-01 16:16:47,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2368 transitions. [2020-12-01 16:16:47,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 16:16:47,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:47,482 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 16:16:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 1836 states and 2372 transitions. [2020-12-01 16:16:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2372 transitions. [2020-12-01 16:16:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 16:16:47,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 16:16:49,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:49,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 1843 states and 2379 transitions. [2020-12-01 16:16:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2379 transitions. [2020-12-01 16:16:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 16:16:49,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 105 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 1861 states and 2399 transitions. [2020-12-01 16:16:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2399 transitions. [2020-12-01 16:16:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-12-01 16:16:51,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 96 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 1893 states and 2453 transitions. [2020-12-01 16:17:01,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2453 transitions. [2020-12-01 16:17:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-01 16:17:01,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:17:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 1895 states and 2457 transitions. [2020-12-01 16:17:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2457 transitions. [2020-12-01 16:17:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-12-01 16:17:02,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 16:17:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:04,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 1911 states and 2477 transitions. [2020-12-01 16:17:04,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2477 transitions. [2020-12-01 16:17:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-12-01 16:17:04,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 16:17:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 1935 states and 2501 transitions. [2020-12-01 16:17:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2501 transitions. [2020-12-01 16:17:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 16:17:05,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:05,332 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:17:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 1940 states and 2509 transitions. [2020-12-01 16:17:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2509 transitions. [2020-12-01 16:17:06,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 16:17:06,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:07,061 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:17:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 1954 states and 2527 transitions. [2020-12-01 16:17:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2527 transitions. [2020-12-01 16:17:10,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 16:17:10,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:17:10,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:10,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 1972 states and 2546 transitions. [2020-12-01 16:17:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2546 transitions. [2020-12-01 16:17:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-01 16:17:10,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 133 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:17:18,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2008 states and 2588 transitions. [2020-12-01 16:17:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2588 transitions. [2020-12-01 16:17:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-01 16:17:18,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 16:17:21,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:21,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2019 states and 2602 transitions. [2020-12-01 16:17:21,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2602 transitions. [2020-12-01 16:17:21,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 16:17:21,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-12-01 16:17:29,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2050 states and 2647 transitions. [2020-12-01 16:17:29,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2647 transitions. [2020-12-01 16:17:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 16:17:29,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:17:30,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:30,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2053 states and 2649 transitions. [2020-12-01 16:17:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2649 transitions. [2020-12-01 16:17:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 16:17:30,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:17:38,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2080 states and 2687 transitions. [2020-12-01 16:17:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2687 transitions. [2020-12-01 16:17:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 16:17:38,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:17:41,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:41,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2089 states and 2697 transitions. [2020-12-01 16:17:41,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2697 transitions. [2020-12-01 16:17:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 16:17:41,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:17:41,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2109 states and 2724 transitions. [2020-12-01 16:17:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2724 transitions. [2020-12-01 16:17:41,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:17:41,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:17:42,900 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-01 16:17:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2125 states and 2747 transitions. [2020-12-01 16:17:45,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2747 transitions. [2020-12-01 16:17:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:17:45,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:17:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2161 states and 2790 transitions. [2020-12-01 16:17:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 2790 transitions. [2020-12-01 16:17:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:17:48,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:17:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2169 states and 2799 transitions. [2020-12-01 16:17:50,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2799 transitions. [2020-12-01 16:17:50,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:17:50,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:17:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2173 states and 2804 transitions. [2020-12-01 16:17:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 2804 transitions. [2020-12-01 16:17:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:17:52,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:52,584 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-01 16:17:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2209 states and 2842 transitions. [2020-12-01 16:17:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2842 transitions. [2020-12-01 16:17:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:17:57,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-01 16:17:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2214 states and 2846 transitions. [2020-12-01 16:17:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2846 transitions. [2020-12-01 16:17:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:17:58,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:17:58,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2235 states and 2867 transitions. [2020-12-01 16:17:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2867 transitions. [2020-12-01 16:17:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-01 16:17:58,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 126 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:18:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2257 states and 2887 transitions. [2020-12-01 16:18:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2887 transitions. [2020-12-01 16:18:02,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-01 16:18:02,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 126 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:18:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 2263 states and 2892 transitions. [2020-12-01 16:18:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2892 transitions. [2020-12-01 16:18:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-01 16:18:03,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 126 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:18:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2265 states and 2893 transitions. [2020-12-01 16:18:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2893 transitions. [2020-12-01 16:18:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 16:18:05,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:18:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2266 states and 2893 transitions. [2020-12-01 16:18:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2893 transitions. [2020-12-01 16:18:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-01 16:18:05,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-12-01 16:18:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:09,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2284 states and 2915 transitions. [2020-12-01 16:18:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2915 transitions. [2020-12-01 16:18:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-01 16:18:09,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-12-01 16:18:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2296 states and 2929 transitions. [2020-12-01 16:18:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 2929 transitions. [2020-12-01 16:18:12,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-01 16:18:12,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-12-01 16:18:12,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:12,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2301 states and 2934 transitions. [2020-12-01 16:18:12,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2934 transitions. [2020-12-01 16:18:12,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-01 16:18:12,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-12-01 16:18:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2316 states and 2951 transitions. [2020-12-01 16:18:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 2951 transitions. [2020-12-01 16:18:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-01 16:18:16,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-12-01 16:18:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:18,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2325 states and 2959 transitions. [2020-12-01 16:18:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2959 transitions. [2020-12-01 16:18:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-01 16:18:18,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:18:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2338 states and 2972 transitions. [2020-12-01 16:18:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 2972 transitions. [2020-12-01 16:18:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-01 16:18:18,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-01 16:18:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:23,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 2365 states and 3005 transitions. [2020-12-01 16:18:23,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 3005 transitions. [2020-12-01 16:18:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 16:18:23,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-12-01 16:18:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 2373 states and 3013 transitions. [2020-12-01 16:18:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 3013 transitions. [2020-12-01 16:18:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-12-01 16:18:25,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:18:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 2436 states and 3085 transitions. [2020-12-01 16:18:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3085 transitions. [2020-12-01 16:18:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-12-01 16:18:33,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:18:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 2439 states and 3088 transitions. [2020-12-01 16:18:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3088 transitions. [2020-12-01 16:18:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-12-01 16:18:35,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:18:39,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:39,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 2470 states and 3119 transitions. [2020-12-01 16:18:39,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 3119 transitions. [2020-12-01 16:18:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-12-01 16:18:39,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:18:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:40,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 2497 states and 3147 transitions. [2020-12-01 16:18:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3147 transitions. [2020-12-01 16:18:40,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-12-01 16:18:40,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:18:46,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:46,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 2516 states and 3170 transitions. [2020-12-01 16:18:46,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3170 transitions. [2020-12-01 16:18:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-12-01 16:18:46,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:46,092 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:18:53,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:53,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 2548 states and 3207 transitions. [2020-12-01 16:18:53,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3207 transitions. [2020-12-01 16:18:53,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 16:18:53,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 16:18:54,416 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2020-12-01 16:18:58,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:18:58,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 2565 states and 3229 transitions. [2020-12-01 16:18:58,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3229 transitions. [2020-12-01 16:18:58,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 16:18:58,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:18:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:18:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 16:19:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:00,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 2567 states and 3230 transitions. [2020-12-01 16:19:00,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 3230 transitions. [2020-12-01 16:19:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-01 16:19:00,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 134 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:19:07,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 2594 states and 3269 transitions. [2020-12-01 16:19:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3269 transitions. [2020-12-01 16:19:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-12-01 16:19:07,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 129 proven. 52 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:19:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:18,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 2632 states and 3317 transitions. [2020-12-01 16:19:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 3317 transitions. [2020-12-01 16:19:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:19:18,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:19:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 2667 states and 3356 transitions. [2020-12-01 16:19:25,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3356 transitions. [2020-12-01 16:19:25,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:19:25,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:19:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 2675 states and 3365 transitions. [2020-12-01 16:19:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3365 transitions. [2020-12-01 16:19:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:19:27,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:19:29,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:29,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 2683 states and 3374 transitions. [2020-12-01 16:19:29,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3374 transitions. [2020-12-01 16:19:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:19:29,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:19:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:31,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 2690 states and 3380 transitions. [2020-12-01 16:19:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3380 transitions. [2020-12-01 16:19:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-01 16:19:31,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:31,480 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 16:19:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 2721 states and 3418 transitions. [2020-12-01 16:19:36,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3418 transitions. [2020-12-01 16:19:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:19:36,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-01 16:19:39,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:39,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 2733 states and 3432 transitions. [2020-12-01 16:19:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 3432 transitions. [2020-12-01 16:19:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:19:39,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:39,262 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-01 16:19:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 2735 states and 3433 transitions. [2020-12-01 16:19:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3433 transitions. [2020-12-01 16:19:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:19:39,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-01 16:19:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 2784 states and 3484 transitions. [2020-12-01 16:19:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3484 transitions. [2020-12-01 16:19:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-01 16:19:44,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:44,516 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-01 16:19:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 2785 states and 3484 transitions. [2020-12-01 16:19:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3484 transitions. [2020-12-01 16:19:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 16:19:46,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-01 16:19:48,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 2786 states and 3484 transitions. [2020-12-01 16:19:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3484 transitions. [2020-12-01 16:19:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:19:48,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-01 16:19:51,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 2790 states and 3488 transitions. [2020-12-01 16:19:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3488 transitions. [2020-12-01 16:19:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:19:51,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-01 16:19:52,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:52,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 2799 states and 3496 transitions. [2020-12-01 16:19:52,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3496 transitions. [2020-12-01 16:19:52,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 16:19:52,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 16:19:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:19:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 2820 states and 3517 transitions. [2020-12-01 16:19:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3517 transitions. [2020-12-01 16:19:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 16:19:52,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:19:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:19:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 124 proven. 67 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:20:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 2937 states and 3664 transitions. [2020-12-01 16:20:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 3664 transitions. [2020-12-01 16:20:13,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-12-01 16:20:13,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 16:20:15,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3667 states to 2938 states and 3667 transitions. [2020-12-01 16:20:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 3667 transitions. [2020-12-01 16:20:15,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-12-01 16:20:15,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:20:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3079 states and 3826 transitions. [2020-12-01 16:20:25,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 3826 transitions. [2020-12-01 16:20:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-12-01 16:20:25,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-12-01 16:20:30,115 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-01 16:20:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3922 states to 3149 states and 3922 transitions. [2020-12-01 16:20:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3922 transitions. [2020-12-01 16:20:31,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-12-01 16:20:31,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-12-01 16:20:34,052 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2020-12-01 16:20:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:36,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3159 states and 3934 transitions. [2020-12-01 16:20:36,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 3934 transitions. [2020-12-01 16:20:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-12-01 16:20:36,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-12-01 16:20:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 3178 states and 3958 transitions. [2020-12-01 16:20:46,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 3958 transitions. [2020-12-01 16:20:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-12-01 16:20:46,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-12-01 16:20:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 3187 states and 3969 transitions. [2020-12-01 16:20:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3187 states and 3969 transitions. [2020-12-01 16:20:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-12-01 16:20:50,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-12-01 16:20:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3191 states and 3972 transitions. [2020-12-01 16:20:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3191 states and 3972 transitions. [2020-12-01 16:20:52,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-12-01 16:20:52,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-12-01 16:20:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3193 states and 3973 transitions. [2020-12-01 16:20:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 3973 transitions. [2020-12-01 16:20:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-12-01 16:20:54,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 248 proven. 27 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-12-01 16:21:03,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 3203 states and 3983 transitions. [2020-12-01 16:21:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3983 transitions. [2020-12-01 16:21:03,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-12-01 16:21:03,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 248 proven. 27 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-12-01 16:21:04,648 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2020-12-01 16:21:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:12,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 3220 states and 4004 transitions. [2020-12-01 16:21:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 4004 transitions. [2020-12-01 16:21:12,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-12-01 16:21:12,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 248 proven. 27 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-12-01 16:21:14,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 3222 states and 4008 transitions. [2020-12-01 16:21:14,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 4008 transitions. [2020-12-01 16:21:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:21:14,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:21:22,182 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-01 16:21:25,538 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-12-01 16:21:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 3267 states and 4078 transitions. [2020-12-01 16:21:34,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 4078 transitions. [2020-12-01 16:21:34,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:21:34,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:21:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4091 states to 3280 states and 4091 transitions. [2020-12-01 16:21:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 4091 transitions. [2020-12-01 16:21:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:21:37,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:21:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 3293 states and 4104 transitions. [2020-12-01 16:21:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3293 states and 4104 transitions. [2020-12-01 16:21:40,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-12-01 16:21:40,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-12-01 16:21:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:41,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 3298 states and 4109 transitions. [2020-12-01 16:21:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 4109 transitions. [2020-12-01 16:21:41,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-12-01 16:21:41,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 101 proven. 156 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 16:21:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4118 states to 3308 states and 4118 transitions. [2020-12-01 16:21:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3308 states and 4118 transitions. [2020-12-01 16:21:45,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-01 16:21:45,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 202 proven. 114 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-01 16:21:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4105 states to 3282 states and 4105 transitions. [2020-12-01 16:21:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 4105 transitions. [2020-12-01 16:21:50,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:21:50,357 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 181 iterations. [2020-12-01 16:21:50,369 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:21:50,961 WARN L197 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 19 [2020-12-01 16:21:51,303 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 19 [2020-12-01 16:21:52,051 WARN L197 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2020-12-01 16:21:52,404 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 19 [2020-12-01 16:21:52,948 WARN L197 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2020-12-01 16:21:53,729 WARN L197 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2020-12-01 16:21:54,057 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2020-12-01 16:21:54,779 WARN L197 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 19 [2020-12-01 16:21:55,299 WARN L197 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 19 [2020-12-01 16:21:55,872 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2020-12-01 16:21:56,434 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2020-12-01 16:21:56,668 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 19 [2020-12-01 16:21:57,049 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 19 [2020-12-01 16:21:57,583 WARN L197 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 19 [2020-12-01 16:21:58,139 WARN L197 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2020-12-01 16:21:58,497 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2020-12-01 16:21:59,122 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2020-12-01 16:21:59,858 WARN L197 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 19 [2020-12-01 16:22:00,215 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2020-12-01 16:22:01,213 WARN L197 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-12-01 16:22:01,589 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 19 [2020-12-01 16:22:02,141 WARN L197 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2020-12-01 16:22:02,844 WARN L197 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 19 [2020-12-01 16:22:03,192 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 19 [2020-12-01 16:22:03,990 WARN L197 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2020-12-01 16:22:04,764 WARN L197 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 19 [2020-12-01 16:22:05,112 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 19 [2020-12-01 16:22:05,849 WARN L197 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 19 [2020-12-01 16:22:06,322 WARN L197 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 19 [2020-12-01 16:22:07,027 WARN L197 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 19 [2020-12-01 16:22:07,383 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 19 [2020-12-01 16:22:07,724 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 19 [2020-12-01 16:22:08,515 WARN L197 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2020-12-01 16:22:09,051 WARN L197 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2020-12-01 16:22:09,380 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2020-12-01 16:22:09,793 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 19 [2020-12-01 16:22:10,355 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 19 [2020-12-01 16:22:10,894 WARN L197 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 19 [2020-12-01 16:22:11,734 WARN L197 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-12-01 16:22:12,091 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 19 [2020-12-01 16:22:12,658 WARN L197 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 19 [2020-12-01 16:22:13,004 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 19 [2020-12-01 16:22:13,745 WARN L197 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 19 [2020-12-01 16:22:14,094 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 19 [2020-12-01 16:22:14,892 WARN L197 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 19 [2020-12-01 16:22:15,655 WARN L197 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2020-12-01 16:22:16,434 WARN L197 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2020-12-01 16:22:16,808 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 19 [2020-12-01 16:22:17,510 WARN L197 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 19 [2020-12-01 16:22:18,357 WARN L197 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2020-12-01 16:22:18,924 WARN L197 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2020-12-01 16:22:19,497 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 19 [2020-12-01 16:22:20,397 WARN L197 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 19 [2020-12-01 16:22:20,999 WARN L197 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 19 [2020-12-01 16:22:21,739 WARN L197 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2020-12-01 16:22:22,556 WARN L197 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 19 [2020-12-01 16:22:22,905 WARN L197 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 19 [2020-12-01 16:22:23,714 WARN L197 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2020-12-01 16:22:24,485 WARN L197 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 19 [2020-12-01 16:22:25,240 WARN L197 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 19 [2020-12-01 16:22:25,645 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 19 [2020-12-01 16:22:26,216 WARN L197 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2020-12-01 16:22:26,913 WARN L197 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 19 [2020-12-01 16:22:27,902 WARN L197 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2020-12-01 16:22:28,765 WARN L197 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2020-12-01 16:22:29,114 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2020-12-01 16:22:29,895 WARN L197 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-12-01 16:22:30,238 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2020-12-01 16:22:30,860 WARN L197 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 19 [2020-12-01 16:22:31,239 WARN L197 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 19 [2020-12-01 16:22:31,788 WARN L197 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 19 [2020-12-01 16:22:31,789 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 16:22:31,802 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:22:31,802 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 16:22:31,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:22:31 ImpRootNode [2020-12-01 16:22:31,804 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:22:31,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:22:31,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:22:31,805 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:22:31,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:48" (3/4) ... [2020-12-01 16:22:31,810 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:22:31,872 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 103 nodes and edges [2020-12-01 16:22:31,880 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-01 16:22:31,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:22:31,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:22:32,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eb997179-5764-41ee-8c54-60f8f54b96fc/bin/ukojak/witness.graphml [2020-12-01 16:22:32,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:22:32,034 INFO L168 Benchmark]: Toolchain (without parser) took 466709.78 ms. Allocated memory was 104.9 MB in the beginning and 4.4 GB in the end (delta: 4.3 GB). Free memory was 75.9 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 772.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:32,034 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:22:32,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.68 ms. Allocated memory is still 104.9 MB. Free memory was 75.7 MB in the beginning and 64.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:32,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.14 ms. Allocated memory is still 104.9 MB. Free memory was 64.2 MB in the beginning and 58.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:32,036 INFO L168 Benchmark]: Boogie Preprocessor took 91.59 ms. Allocated memory is still 104.9 MB. Free memory was 58.4 MB in the beginning and 53.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:32,037 INFO L168 Benchmark]: RCFGBuilder took 2115.72 ms. Allocated memory was 104.9 MB in the beginning and 159.4 MB in the end (delta: 54.5 MB). Free memory was 53.9 MB in the beginning and 118.5 MB in the end (delta: -64.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:32,038 INFO L168 Benchmark]: CodeCheck took 463498.14 ms. Allocated memory was 159.4 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 118.5 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-12-01 16:22:32,038 INFO L168 Benchmark]: Witness Printer took 228.20 ms. Allocated memory is still 4.4 GB. Free memory was 3.6 GB in the beginning and 3.6 GB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:32,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 422.0s, OverallIterations: 181, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34930708 SDtfs, 1711084262 SDslu, 337117810 SDs, 0 SdLazy, -469197812 SolverSat, -795315136 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1602.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199747 GetRequests, 191681 SyntacticMatches, 6422 SemanticMatches, 1644 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1790176 ImplicationChecksByTransitivity, 364.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 27347 NumberOfCodeBlocks, 27347 NumberOfCodeBlocksAsserted, 180 NumberOfCheckSat, 27167 ConstructedInterpolants, 0 QuantifiedInterpolants, 16124097 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 180 InterpolantComputations, 143 PerfectInterpolantSequences, 21474/23020 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: 12]: 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: 593]: Loop Invariant Derived loop invariant: ((((a16 == 6 || !(a17 == 1)) || !(a21 == 1)) || a16 == 4) || !(a7 == 1)) || !(a20 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((a16 == 6 || !(a17 == 1)) || !(a21 == 1)) || a16 == 4) || !(a7 == 1)) || !(a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 627.68 ms. Allocated memory is still 104.9 MB. Free memory was 75.7 MB in the beginning and 64.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 141.14 ms. Allocated memory is still 104.9 MB. Free memory was 64.2 MB in the beginning and 58.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.59 ms. Allocated memory is still 104.9 MB. Free memory was 58.4 MB in the beginning and 53.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2115.72 ms. Allocated memory was 104.9 MB in the beginning and 159.4 MB in the end (delta: 54.5 MB). Free memory was 53.9 MB in the beginning and 118.5 MB in the end (delta: -64.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * CodeCheck took 463498.14 ms. Allocated memory was 159.4 MB in the beginning and 4.4 GB in the end (delta: 4.2 GB). Free memory was 118.5 MB in the beginning and 3.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 228.20 ms. Allocated memory is still 4.4 GB. Free memory was 3.6 GB in the beginning and 3.6 GB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...