./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/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 f984bd5abbd4adc0ae4b2416fd7142c889297d5b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:20:05,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:20:05,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:20:06,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:20:06,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:20:06,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:20:06,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:20:06,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:20:06,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:20:06,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:20:06,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:20:06,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:20:06,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:20:06,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:20:06,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:20:06,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:20:06,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:20:06,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:20:06,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:20:06,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:20:06,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:20:06,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:20:06,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:20:06,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:20:06,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:20:06,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:20:06,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:20:06,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:20:06,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:20:06,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:20:06,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:20:06,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:20:06,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:20:06,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:20:06,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:20:06,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:20:06,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:20:06,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:20:06,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:20:06,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:20:06,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:20:06,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:20:06,160 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:20:06,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:20:06,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:20:06,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:20:06,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:20:06,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:20:06,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:20:06,164 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:20:06,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:20:06,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:20:06,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:20:06,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:20:06,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:20:06,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:20:06,166 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:20:06,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:20:06,167 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:20:06,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:20:06,167 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:20:06,167 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:20:06,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:20:06,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:20:06,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:20:06,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:20:06,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:20:06,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:20:06,169 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:20:06,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:20:06,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:20:06,171 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_0ff57946-3448-4442-9b46-aede587de110/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2020-12-01 16:20:06,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:20:06,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:20:06,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:20:06,558 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:20:06,558 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:20:06,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-12-01 16:20:06,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/data/973f75da6/c34c0e12868846d1af4c02ef17e26121/FLAG6135b5857 [2020-12-01 16:20:07,537 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:20:07,537 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-12-01 16:20:07,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/data/973f75da6/c34c0e12868846d1af4c02ef17e26121/FLAG6135b5857 [2020-12-01 16:20:08,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/data/973f75da6/c34c0e12868846d1af4c02ef17e26121 [2020-12-01 16:20:08,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:20:08,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:20:08,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:20:08,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:20:08,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:20:08,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:20:08" (1/1) ... [2020-12-01 16:20:08,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cc671f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:08, skipping insertion in model container [2020-12-01 16:20:08,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:20:08" (1/1) ... [2020-12-01 16:20:08,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:20:08,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:20:09,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:20:09,026 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:20:09,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:20:09,322 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:20:09,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09 WrapperNode [2020-12-01 16:20:09,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:20:09,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:20:09,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:20:09,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:20:09,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09" (1/1) ... [2020-12-01 16:20:09,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09" (1/1) ... [2020-12-01 16:20:09,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:20:09,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:20:09,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:20:09,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:20:09,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09" (1/1) ... [2020-12-01 16:20:09,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09" (1/1) ... [2020-12-01 16:20:09,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09" (1/1) ... [2020-12-01 16:20:09,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09" (1/1) ... [2020-12-01 16:20:09,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09" (1/1) ... [2020-12-01 16:20:09,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09" (1/1) ... [2020-12-01 16:20:09,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09" (1/1) ... [2020-12-01 16:20:09,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:20:09,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:20:09,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:20:09,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:20:09,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/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 16:20:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:20:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:20:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:20:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:20:11,710 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:20:11,711 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-12-01 16:20:11,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:11 BoogieIcfgContainer [2020-12-01 16:20:11,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:20:11,716 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:20:11,717 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:20:11,727 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:20:11,727 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:11" (1/1) ... [2020-12-01 16:20:11,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:20:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 235 states and 463 transitions. [2020-12-01 16:20:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 463 transitions. [2020-12-01 16:20:11,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:20:11,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:11,994 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 16:20:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:12,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 235 states and 421 transitions. [2020-12-01 16:20:12,039 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 421 transitions. [2020-12-01 16:20:12,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:20:12,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:12,142 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 16:20:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 238 states and 483 transitions. [2020-12-01 16:20:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 483 transitions. [2020-12-01 16:20:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:20:12,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:12,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 238 states and 482 transitions. [2020-12-01 16:20:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 482 transitions. [2020-12-01 16:20:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:20:12,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:12,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 241 states and 544 transitions. [2020-12-01 16:20:12,835 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 544 transitions. [2020-12-01 16:20:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:20:12,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 250 states and 620 transitions. [2020-12-01 16:20:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 620 transitions. [2020-12-01 16:20:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:20:13,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:13,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:13,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 251 states and 620 transitions. [2020-12-01 16:20:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 620 transitions. [2020-12-01 16:20:13,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:20:13,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:13,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 261 states and 700 transitions. [2020-12-01 16:20:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 700 transitions. [2020-12-01 16:20:13,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:20:13,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:13,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:13,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 264 states and 704 transitions. [2020-12-01 16:20:13,465 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 704 transitions. [2020-12-01 16:20:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:20:13,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 269 states and 712 transitions. [2020-12-01 16:20:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 712 transitions. [2020-12-01 16:20:13,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:20:13,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:13,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:13,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 273 states and 776 transitions. [2020-12-01 16:20:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 776 transitions. [2020-12-01 16:20:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:20:13,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:14,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 286 states and 824 transitions. [2020-12-01 16:20:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 824 transitions. [2020-12-01 16:20:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:20:14,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 286 states and 822 transitions. [2020-12-01 16:20:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 822 transitions. [2020-12-01 16:20:14,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:20:14,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 287 states and 825 transitions. [2020-12-01 16:20:15,014 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 825 transitions. [2020-12-01 16:20:15,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:20:15,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 290 states and 935 transitions. [2020-12-01 16:20:15,519 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 935 transitions. [2020-12-01 16:20:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:20:15,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:20:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 291 states and 936 transitions. [2020-12-01 16:20:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 936 transitions. [2020-12-01 16:20:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:20:15,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 292 states and 939 transitions. [2020-12-01 16:20:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 939 transitions. [2020-12-01 16:20:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:20:15,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 293 states and 940 transitions. [2020-12-01 16:20:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 940 transitions. [2020-12-01 16:20:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:20:15,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:15,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 294 states and 941 transitions. [2020-12-01 16:20:15,775 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 941 transitions. [2020-12-01 16:20:15,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:20:15,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:20:15,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 295 states and 943 transitions. [2020-12-01 16:20:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 943 transitions. [2020-12-01 16:20:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:20:15,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:16,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 296 states and 944 transitions. [2020-12-01 16:20:16,028 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 944 transitions. [2020-12-01 16:20:16,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:20:16,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:16,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 297 states and 946 transitions. [2020-12-01 16:20:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 946 transitions. [2020-12-01 16:20:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:20:16,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,112 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:16,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 301 states and 956 transitions. [2020-12-01 16:20:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 956 transitions. [2020-12-01 16:20:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:20:16,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 303 states and 957 transitions. [2020-12-01 16:20:16,465 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 957 transitions. [2020-12-01 16:20:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:20:16,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 304 states and 958 transitions. [2020-12-01 16:20:16,521 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 958 transitions. [2020-12-01 16:20:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:20:16,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 305 states and 957 transitions. [2020-12-01 16:20:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 957 transitions. [2020-12-01 16:20:16,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:20:16,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:16,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 307 states and 958 transitions. [2020-12-01 16:20:16,600 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 958 transitions. [2020-12-01 16:20:16,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:20:16,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:20:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 308 states and 958 transitions. [2020-12-01 16:20:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 958 transitions. [2020-12-01 16:20:16,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:20:16,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,719 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:16,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 309 states and 960 transitions. [2020-12-01 16:20:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 960 transitions. [2020-12-01 16:20:16,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:20:16,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 311 states and 963 transitions. [2020-12-01 16:20:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 963 transitions. [2020-12-01 16:20:16,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:20:16,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 312 states and 964 transitions. [2020-12-01 16:20:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 964 transitions. [2020-12-01 16:20:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:20:16,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 312 states and 961 transitions. [2020-12-01 16:20:16,873 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 961 transitions. [2020-12-01 16:20:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:20:16,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:16,898 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 315 states and 967 transitions. [2020-12-01 16:20:16,979 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 967 transitions. [2020-12-01 16:20:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:20:16,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 317 states and 970 transitions. [2020-12-01 16:20:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 970 transitions. [2020-12-01 16:20:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:20:17,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,074 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:17,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 321 states and 1033 transitions. [2020-12-01 16:20:17,559 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1033 transitions. [2020-12-01 16:20:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:20:17,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:17,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 325 states and 1043 transitions. [2020-12-01 16:20:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1043 transitions. [2020-12-01 16:20:17,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:20:17,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:17,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 327 states and 1047 transitions. [2020-12-01 16:20:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 1047 transitions. [2020-12-01 16:20:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:20:17,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:17,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 329 states and 1048 transitions. [2020-12-01 16:20:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1048 transitions. [2020-12-01 16:20:17,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:20:17,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,845 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:17,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 331 states and 1052 transitions. [2020-12-01 16:20:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1052 transitions. [2020-12-01 16:20:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:20:17,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,884 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 332 states and 1053 transitions. [2020-12-01 16:20:17,912 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1053 transitions. [2020-12-01 16:20:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:20:17,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:17,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 334 states and 1057 transitions. [2020-12-01 16:20:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1057 transitions. [2020-12-01 16:20:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:20:17,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:18,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 336 states and 1059 transitions. [2020-12-01 16:20:18,002 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1059 transitions. [2020-12-01 16:20:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:20:18,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:18,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:18,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 346 states and 1184 transitions. [2020-12-01 16:20:18,451 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1184 transitions. [2020-12-01 16:20:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:20:18,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:20:18,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:18,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 348 states and 1185 transitions. [2020-12-01 16:20:18,497 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1185 transitions. [2020-12-01 16:20:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:20:18,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 350 states and 1189 transitions. [2020-12-01 16:20:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1189 transitions. [2020-12-01 16:20:18,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:20:18,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:18,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:18,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 352 states and 1192 transitions. [2020-12-01 16:20:18,572 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1192 transitions. [2020-12-01 16:20:18,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:20:18,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:18,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:18,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 353 states and 1193 transitions. [2020-12-01 16:20:18,604 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1193 transitions. [2020-12-01 16:20:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:20:18,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 354 states and 1197 transitions. [2020-12-01 16:20:18,653 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 1197 transitions. [2020-12-01 16:20:18,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:20:18,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 355 states and 1198 transitions. [2020-12-01 16:20:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1198 transitions. [2020-12-01 16:20:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:20:18,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 367 states and 1333 transitions. [2020-12-01 16:20:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1333 transitions. [2020-12-01 16:20:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:20:19,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:19,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 372 states and 1396 transitions. [2020-12-01 16:20:19,836 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 1396 transitions. [2020-12-01 16:20:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:20:19,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:19,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 373 states and 1396 transitions. [2020-12-01 16:20:19,872 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1396 transitions. [2020-12-01 16:20:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:20:19,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:19,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 374 states and 1396 transitions. [2020-12-01 16:20:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 1396 transitions. [2020-12-01 16:20:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:20:19,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:19,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 377 states and 1401 transitions. [2020-12-01 16:20:19,950 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1401 transitions. [2020-12-01 16:20:19,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:20:19,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:19,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 379 states and 1404 transitions. [2020-12-01 16:20:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1404 transitions. [2020-12-01 16:20:19,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:20:19,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:20,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 384 states and 1468 transitions. [2020-12-01 16:20:20,579 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1468 transitions. [2020-12-01 16:20:20,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:20:20,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 390 states and 1480 transitions. [2020-12-01 16:20:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 1480 transitions. [2020-12-01 16:20:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:20:20,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 392 states and 1482 transitions. [2020-12-01 16:20:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 1482 transitions. [2020-12-01 16:20:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:20:20,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:20,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 397 states and 1490 transitions. [2020-12-01 16:20:20,821 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1490 transitions. [2020-12-01 16:20:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:20:20,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 398 states and 1494 transitions. [2020-12-01 16:20:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 1494 transitions. [2020-12-01 16:20:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:20:20,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 400 states and 1497 transitions. [2020-12-01 16:20:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 1497 transitions. [2020-12-01 16:20:21,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:20:21,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:21,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 408 states and 1513 transitions. [2020-12-01 16:20:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 1513 transitions. [2020-12-01 16:20:21,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:20:21,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 409 states and 1514 transitions. [2020-12-01 16:20:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 1514 transitions. [2020-12-01 16:20:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:20:21,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:21,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 423 states and 1653 transitions. [2020-12-01 16:20:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1653 transitions. [2020-12-01 16:20:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:20:22,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:22,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 423 states and 1651 transitions. [2020-12-01 16:20:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1651 transitions. [2020-12-01 16:20:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:20:22,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:22,590 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 424 states and 1651 transitions. [2020-12-01 16:20:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 1651 transitions. [2020-12-01 16:20:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:20:22,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 427 states and 1656 transitions. [2020-12-01 16:20:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1656 transitions. [2020-12-01 16:20:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:20:22,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 433 states and 1721 transitions. [2020-12-01 16:20:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 1721 transitions. [2020-12-01 16:20:23,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:20:23,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 435 states and 1734 transitions. [2020-12-01 16:20:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1734 transitions. [2020-12-01 16:20:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:20:23,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 440 states and 1742 transitions. [2020-12-01 16:20:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 1742 transitions. [2020-12-01 16:20:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:20:23,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:23,526 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:23,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:23,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 441 states and 1747 transitions. [2020-12-01 16:20:23,656 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1747 transitions. [2020-12-01 16:20:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:20:23,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:23,689 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 443 states and 1760 transitions. [2020-12-01 16:20:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1760 transitions. [2020-12-01 16:20:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:20:23,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:20:25,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 459 states and 1817 transitions. [2020-12-01 16:20:25,048 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1817 transitions. [2020-12-01 16:20:25,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:20:25,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 459 states and 1816 transitions. [2020-12-01 16:20:25,237 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1816 transitions. [2020-12-01 16:20:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:20:25,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:25,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 461 states and 1829 transitions. [2020-12-01 16:20:25,329 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1829 transitions. [2020-12-01 16:20:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:20:25,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 462 states and 1830 transitions. [2020-12-01 16:20:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1830 transitions. [2020-12-01 16:20:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:20:25,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 464 states and 1843 transitions. [2020-12-01 16:20:25,577 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1843 transitions. [2020-12-01 16:20:25,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:20:25,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:20:25,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 465 states and 1843 transitions. [2020-12-01 16:20:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 1843 transitions. [2020-12-01 16:20:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:20:25,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:20:25,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 466 states and 1844 transitions. [2020-12-01 16:20:25,661 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1844 transitions. [2020-12-01 16:20:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:20:25,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:25,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 467 states and 1845 transitions. [2020-12-01 16:20:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1845 transitions. [2020-12-01 16:20:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:20:25,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:25,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 469 states and 1858 transitions. [2020-12-01 16:20:25,799 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1858 transitions. [2020-12-01 16:20:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:20:25,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:25,826 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:26,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 472 states and 1866 transitions. [2020-12-01 16:20:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1866 transitions. [2020-12-01 16:20:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:20:26,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 16:20:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:26,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 473 states and 1866 transitions. [2020-12-01 16:20:26,273 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1866 transitions. [2020-12-01 16:20:26,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:20:26,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:20:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 474 states and 1867 transitions. [2020-12-01 16:20:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1867 transitions. [2020-12-01 16:20:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:20:26,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:27,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 479 states and 1940 transitions. [2020-12-01 16:20:27,082 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1940 transitions. [2020-12-01 16:20:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:20:27,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 483 states and 2006 transitions. [2020-12-01 16:20:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 2006 transitions. [2020-12-01 16:20:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:20:27,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:27,579 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:27,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 485 states and 2021 transitions. [2020-12-01 16:20:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 2021 transitions. [2020-12-01 16:20:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:20:27,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:27,689 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:27,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:27,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 487 states and 2024 transitions. [2020-12-01 16:20:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 2024 transitions. [2020-12-01 16:20:27,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:20:27,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:28,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:28,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 499 states and 2113 transitions. [2020-12-01 16:20:28,594 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 2113 transitions. [2020-12-01 16:20:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:20:28,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 500 states and 2115 transitions. [2020-12-01 16:20:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 2115 transitions. [2020-12-01 16:20:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:20:28,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:20:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 501 states and 2116 transitions. [2020-12-01 16:20:28,923 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 2116 transitions. [2020-12-01 16:20:28,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:20:28,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 503 states and 2132 transitions. [2020-12-01 16:20:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 2132 transitions. [2020-12-01 16:20:29,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:20:29,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:29,044 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:29,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 505 states and 2135 transitions. [2020-12-01 16:20:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 2135 transitions. [2020-12-01 16:20:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:20:29,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 513 states and 2148 transitions. [2020-12-01 16:20:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 2148 transitions. [2020-12-01 16:20:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:20:29,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 514 states and 2149 transitions. [2020-12-01 16:20:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 2149 transitions. [2020-12-01 16:20:29,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:20:29,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 515 states and 2150 transitions. [2020-12-01 16:20:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 2150 transitions. [2020-12-01 16:20:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:20:29,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:29,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 516 states and 2150 transitions. [2020-12-01 16:20:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 2150 transitions. [2020-12-01 16:20:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:20:29,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:20:29,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 517 states and 2151 transitions. [2020-12-01 16:20:29,807 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 2151 transitions. [2020-12-01 16:20:29,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:20:29,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 16:20:29,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 518 states and 2152 transitions. [2020-12-01 16:20:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 2152 transitions. [2020-12-01 16:20:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:20:29,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:29,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 520 states and 2168 transitions. [2020-12-01 16:20:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 2168 transitions. [2020-12-01 16:20:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:20:29,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:30,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 522 states and 2171 transitions. [2020-12-01 16:20:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 2171 transitions. [2020-12-01 16:20:30,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:20:30,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:30,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 524 states and 2172 transitions. [2020-12-01 16:20:30,203 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 2172 transitions. [2020-12-01 16:20:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:20:30,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:20:30,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:30,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 525 states and 2172 transitions. [2020-12-01 16:20:30,258 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 2172 transitions. [2020-12-01 16:20:30,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:20:30,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:30,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 526 states and 2174 transitions. [2020-12-01 16:20:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 2174 transitions. [2020-12-01 16:20:30,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:20:30,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:30,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 530 states and 2184 transitions. [2020-12-01 16:20:30,877 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 2184 transitions. [2020-12-01 16:20:30,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:20:30,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:31,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 532 states and 2185 transitions. [2020-12-01 16:20:31,008 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 2185 transitions. [2020-12-01 16:20:31,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:20:31,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:20:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 533 states and 2185 transitions. [2020-12-01 16:20:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 2185 transitions. [2020-12-01 16:20:31,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:20:31,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 16:20:31,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:31,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 534 states and 2186 transitions. [2020-12-01 16:20:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 2186 transitions. [2020-12-01 16:20:31,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:20:31,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:31,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 535 states and 2188 transitions. [2020-12-01 16:20:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 2188 transitions. [2020-12-01 16:20:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:20:31,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 537 states and 2204 transitions. [2020-12-01 16:20:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 2204 transitions. [2020-12-01 16:20:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:20:31,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:31,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 539 states and 2207 transitions. [2020-12-01 16:20:31,511 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 2207 transitions. [2020-12-01 16:20:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:20:31,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:31,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 541 states and 2210 transitions. [2020-12-01 16:20:31,913 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 2210 transitions. [2020-12-01 16:20:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:20:31,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:31,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:31,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 542 states and 2206 transitions. [2020-12-01 16:20:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 2206 transitions. [2020-12-01 16:20:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:20:31,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 543 states and 2207 transitions. [2020-12-01 16:20:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 2207 transitions. [2020-12-01 16:20:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:20:32,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 545 states and 2223 transitions. [2020-12-01 16:20:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 2223 transitions. [2020-12-01 16:20:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:20:32,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 547 states and 2226 transitions. [2020-12-01 16:20:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 2226 transitions. [2020-12-01 16:20:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:20:32,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 549 states and 2228 transitions. [2020-12-01 16:20:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 2228 transitions. [2020-12-01 16:20:32,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:20:32,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:33,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 563 states and 2367 transitions. [2020-12-01 16:20:33,527 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 2367 transitions. [2020-12-01 16:20:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:20:33,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 564 states and 2368 transitions. [2020-12-01 16:20:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 2368 transitions. [2020-12-01 16:20:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:20:33,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:33,821 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:33,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 566 states and 2371 transitions. [2020-12-01 16:20:33,931 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 2371 transitions. [2020-12-01 16:20:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:20:33,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 568 states and 2374 transitions. [2020-12-01 16:20:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 2374 transitions. [2020-12-01 16:20:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:20:33,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:34,031 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:34,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:34,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2375 states to 569 states and 2375 transitions. [2020-12-01 16:20:34,087 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 2375 transitions. [2020-12-01 16:20:34,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:20:34,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:34,122 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 578 states and 2390 transitions. [2020-12-01 16:20:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 2390 transitions. [2020-12-01 16:20:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:20:34,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 16:20:34,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 579 states and 2391 transitions. [2020-12-01 16:20:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 2391 transitions. [2020-12-01 16:20:34,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:20:34,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:34,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 581 states and 2408 transitions. [2020-12-01 16:20:34,449 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 2408 transitions. [2020-12-01 16:20:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:20:34,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:34,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 583 states and 2411 transitions. [2020-12-01 16:20:34,551 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 2411 transitions. [2020-12-01 16:20:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:20:34,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:34,574 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:34,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 585 states and 2413 transitions. [2020-12-01 16:20:34,675 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 2413 transitions. [2020-12-01 16:20:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:20:34,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:34,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 587 states and 2415 transitions. [2020-12-01 16:20:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 2415 transitions. [2020-12-01 16:20:34,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:20:34,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:34,824 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 588 states and 2416 transitions. [2020-12-01 16:20:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 2416 transitions. [2020-12-01 16:20:34,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:20:34,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:36,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 604 states and 2473 transitions. [2020-12-01 16:20:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 2473 transitions. [2020-12-01 16:20:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:36,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:36,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 604 states and 2467 transitions. [2020-12-01 16:20:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 2467 transitions. [2020-12-01 16:20:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:36,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:36,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 606 states and 2468 transitions. [2020-12-01 16:20:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 2468 transitions. [2020-12-01 16:20:36,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:36,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:20:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 607 states and 2468 transitions. [2020-12-01 16:20:36,590 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 2468 transitions. [2020-12-01 16:20:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:36,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 16:20:36,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 608 states and 2470 transitions. [2020-12-01 16:20:36,640 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 2470 transitions. [2020-12-01 16:20:36,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:36,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:36,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 610 states and 2487 transitions. [2020-12-01 16:20:36,734 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 2487 transitions. [2020-12-01 16:20:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:36,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 612 states and 2490 transitions. [2020-12-01 16:20:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 2490 transitions. [2020-12-01 16:20:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:36,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:36,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 614 states and 2492 transitions. [2020-12-01 16:20:36,925 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 2492 transitions. [2020-12-01 16:20:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:36,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 616 states and 2494 transitions. [2020-12-01 16:20:37,024 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 2494 transitions. [2020-12-01 16:20:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:37,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,045 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 616 states and 2492 transitions. [2020-12-01 16:20:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 2492 transitions. [2020-12-01 16:20:37,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:37,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 616 states and 2491 transitions. [2020-12-01 16:20:37,348 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 2491 transitions. [2020-12-01 16:20:37,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:20:37,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 618 states and 2492 transitions. [2020-12-01 16:20:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 2492 transitions. [2020-12-01 16:20:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:20:37,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 620 states and 2509 transitions. [2020-12-01 16:20:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 2509 transitions. [2020-12-01 16:20:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:20:37,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:37,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 622 states and 2512 transitions. [2020-12-01 16:20:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 2512 transitions. [2020-12-01 16:20:37,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:20:37,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,764 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:37,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 624 states and 2514 transitions. [2020-12-01 16:20:37,855 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 2514 transitions. [2020-12-01 16:20:37,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:20:37,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 626 states and 2516 transitions. [2020-12-01 16:20:37,961 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 2516 transitions. [2020-12-01 16:20:37,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:20:37,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:38,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 626 states and 2514 transitions. [2020-12-01 16:20:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 2514 transitions. [2020-12-01 16:20:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:20:38,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:38,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 628 states and 2515 transitions. [2020-12-01 16:20:38,217 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 2515 transitions. [2020-12-01 16:20:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:20:38,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:38,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 631 states and 2520 transitions. [2020-12-01 16:20:38,387 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 2520 transitions. [2020-12-01 16:20:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:20:38,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:38,411 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:39,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 646 states and 2624 transitions. [2020-12-01 16:20:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 2624 transitions. [2020-12-01 16:20:39,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:20:39,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 648 states and 2642 transitions. [2020-12-01 16:20:39,155 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 2642 transitions. [2020-12-01 16:20:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:20:39,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 650 states and 2645 transitions. [2020-12-01 16:20:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 2645 transitions. [2020-12-01 16:20:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:20:39,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 652 states and 2647 transitions. [2020-12-01 16:20:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 2647 transitions. [2020-12-01 16:20:39,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:20:39,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 654 states and 2649 transitions. [2020-12-01 16:20:39,484 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 2649 transitions. [2020-12-01 16:20:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:20:39,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 654 states and 2647 transitions. [2020-12-01 16:20:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 2647 transitions. [2020-12-01 16:20:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:20:39,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 656 states and 2649 transitions. [2020-12-01 16:20:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 2649 transitions. [2020-12-01 16:20:39,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:20:39,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:20:39,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 659 states and 2654 transitions. [2020-12-01 16:20:39,748 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 2654 transitions. [2020-12-01 16:20:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:20:39,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:20:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 661 states and 2655 transitions. [2020-12-01 16:20:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 2655 transitions. [2020-12-01 16:20:39,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:20:39,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:39,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 663 states and 2673 transitions. [2020-12-01 16:20:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 2673 transitions. [2020-12-01 16:20:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:20:39,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 665 states and 2676 transitions. [2020-12-01 16:20:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 2676 transitions. [2020-12-01 16:20:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:20:39,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:40,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 667 states and 2678 transitions. [2020-12-01 16:20:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 2678 transitions. [2020-12-01 16:20:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:20:40,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 669 states and 2680 transitions. [2020-12-01 16:20:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 2680 transitions. [2020-12-01 16:20:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:20:40,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 669 states and 2678 transitions. [2020-12-01 16:20:40,297 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 2678 transitions. [2020-12-01 16:20:40,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:20:40,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:40,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 671 states and 2681 transitions. [2020-12-01 16:20:40,346 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 2681 transitions. [2020-12-01 16:20:40,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:20:40,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,370 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 672 states and 2681 transitions. [2020-12-01 16:20:40,403 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2681 transitions. [2020-12-01 16:20:40,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:20:40,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,427 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:20:40,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 674 states and 2683 transitions. [2020-12-01 16:20:40,490 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 2683 transitions. [2020-12-01 16:20:40,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:20:40,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 676 states and 2686 transitions. [2020-12-01 16:20:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 2686 transitions. [2020-12-01 16:20:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:20:40,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:20:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 678 states and 2687 transitions. [2020-12-01 16:20:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 2687 transitions. [2020-12-01 16:20:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:20:40,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 680 states and 2705 transitions. [2020-12-01 16:20:40,894 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 2705 transitions. [2020-12-01 16:20:40,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:20:40,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 682 states and 2708 transitions. [2020-12-01 16:20:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 2708 transitions. [2020-12-01 16:20:40,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:20:40,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:41,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 684 states and 2710 transitions. [2020-12-01 16:20:41,136 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 2710 transitions. [2020-12-01 16:20:41,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:20:41,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:41,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 686 states and 2712 transitions. [2020-12-01 16:20:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2712 transitions. [2020-12-01 16:20:41,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:20:41,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 686 states and 2710 transitions. [2020-12-01 16:20:41,329 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2710 transitions. [2020-12-01 16:20:41,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:20:41,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:20:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 688 states and 2713 transitions. [2020-12-01 16:20:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 2713 transitions. [2020-12-01 16:20:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:20:41,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,434 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:20:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 689 states and 2713 transitions. [2020-12-01 16:20:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 2713 transitions. [2020-12-01 16:20:41,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:20:41,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:20:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 690 states and 2713 transitions. [2020-12-01 16:20:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 2713 transitions. [2020-12-01 16:20:41,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:20:41,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:41,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 692 states and 2715 transitions. [2020-12-01 16:20:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 2715 transitions. [2020-12-01 16:20:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:20:41,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 16:20:41,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 694 states and 2716 transitions. [2020-12-01 16:20:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2716 transitions. [2020-12-01 16:20:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:20:41,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 696 states and 2734 transitions. [2020-12-01 16:20:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 2734 transitions. [2020-12-01 16:20:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:20:41,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:41,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 698 states and 2737 transitions. [2020-12-01 16:20:41,825 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 2737 transitions. [2020-12-01 16:20:41,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:20:41,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 700 states and 2739 transitions. [2020-12-01 16:20:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 2739 transitions. [2020-12-01 16:20:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:20:41,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:42,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 702 states and 2741 transitions. [2020-12-01 16:20:42,063 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 2741 transitions. [2020-12-01 16:20:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:20:42,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:42,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 702 states and 2739 transitions. [2020-12-01 16:20:42,145 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 2739 transitions. [2020-12-01 16:20:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:20:42,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 704 states and 2742 transitions. [2020-12-01 16:20:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2742 transitions. [2020-12-01 16:20:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:20:42,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:20:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 705 states and 2742 transitions. [2020-12-01 16:20:42,279 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 2742 transitions. [2020-12-01 16:20:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:20:42,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 706 states and 2742 transitions. [2020-12-01 16:20:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2742 transitions. [2020-12-01 16:20:42,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:20:42,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 16:20:42,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 708 states and 2744 transitions. [2020-12-01 16:20:42,369 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 2744 transitions. [2020-12-01 16:20:42,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:20:42,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:42,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 710 states and 2762 transitions. [2020-12-01 16:20:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 2762 transitions. [2020-12-01 16:20:42,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:20:42,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:42,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 712 states and 2765 transitions. [2020-12-01 16:20:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 2765 transitions. [2020-12-01 16:20:42,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:20:42,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 714 states and 2767 transitions. [2020-12-01 16:20:42,683 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 2767 transitions. [2020-12-01 16:20:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:20:42,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 716 states and 2769 transitions. [2020-12-01 16:20:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 2769 transitions. [2020-12-01 16:20:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:20:42,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 716 states and 2767 transitions. [2020-12-01 16:20:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 2767 transitions. [2020-12-01 16:20:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:20:42,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:20:42,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 717 states and 2767 transitions. [2020-12-01 16:20:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 2767 transitions. [2020-12-01 16:20:42,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:20:42,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,952 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 16:20:42,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 719 states and 2769 transitions. [2020-12-01 16:20:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 2769 transitions. [2020-12-01 16:20:42,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:20:42,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 721 states and 2787 transitions. [2020-12-01 16:20:43,065 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 2787 transitions. [2020-12-01 16:20:43,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:20:43,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:43,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 723 states and 2790 transitions. [2020-12-01 16:20:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2790 transitions. [2020-12-01 16:20:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:20:43,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,155 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 725 states and 2792 transitions. [2020-12-01 16:20:43,251 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 2792 transitions. [2020-12-01 16:20:43,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:20:43,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 727 states and 2794 transitions. [2020-12-01 16:20:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 2794 transitions. [2020-12-01 16:20:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:20:43,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:43,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 727 states and 2792 transitions. [2020-12-01 16:20:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 2792 transitions. [2020-12-01 16:20:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:20:43,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 16:20:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 729 states and 2795 transitions. [2020-12-01 16:20:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 2795 transitions. [2020-12-01 16:20:43,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:20:43,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 16:20:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 730 states and 2795 transitions. [2020-12-01 16:20:43,535 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 2795 transitions. [2020-12-01 16:20:43,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:20:43,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:43,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 732 states and 2813 transitions. [2020-12-01 16:20:43,664 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 2813 transitions. [2020-12-01 16:20:43,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:20:43,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 734 states and 2816 transitions. [2020-12-01 16:20:43,751 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2816 transitions. [2020-12-01 16:20:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:20:43,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 736 states and 2818 transitions. [2020-12-01 16:20:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 2818 transitions. [2020-12-01 16:20:43,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:20:43,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:43,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 738 states and 2820 transitions. [2020-12-01 16:20:43,961 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 2820 transitions. [2020-12-01 16:20:43,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:20:43,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 738 states and 2818 transitions. [2020-12-01 16:20:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 2818 transitions. [2020-12-01 16:20:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:20:44,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 16:20:44,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 739 states and 2818 transitions. [2020-12-01 16:20:44,087 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 2818 transitions. [2020-12-01 16:20:44,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:20:44,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 741 states and 2836 transitions. [2020-12-01 16:20:44,203 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 2836 transitions. [2020-12-01 16:20:44,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:20:44,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 743 states and 2839 transitions. [2020-12-01 16:20:44,293 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 2839 transitions. [2020-12-01 16:20:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:20:44,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 745 states and 2841 transitions. [2020-12-01 16:20:44,401 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 2841 transitions. [2020-12-01 16:20:44,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:20:44,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:44,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 747 states and 2843 transitions. [2020-12-01 16:20:44,499 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 2843 transitions. [2020-12-01 16:20:44,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:20:44,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 747 states and 2841 transitions. [2020-12-01 16:20:44,561 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 2841 transitions. [2020-12-01 16:20:44,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:20:44,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 749 states and 2859 transitions. [2020-12-01 16:20:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 2859 transitions. [2020-12-01 16:20:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:20:44,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,674 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 751 states and 2862 transitions. [2020-12-01 16:20:44,726 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 2862 transitions. [2020-12-01 16:20:44,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:20:44,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:44,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 753 states and 2864 transitions. [2020-12-01 16:20:44,849 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 2864 transitions. [2020-12-01 16:20:44,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:20:44,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,881 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:44,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 755 states and 2866 transitions. [2020-12-01 16:20:44,963 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 2866 transitions. [2020-12-01 16:20:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:20:44,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:45,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 755 states and 2864 transitions. [2020-12-01 16:20:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 2864 transitions. [2020-12-01 16:20:45,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:20:45,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 757 states and 2882 transitions. [2020-12-01 16:20:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 2882 transitions. [2020-12-01 16:20:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:20:45,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:45,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 759 states and 2885 transitions. [2020-12-01 16:20:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 2885 transitions. [2020-12-01 16:20:45,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:20:45,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 761 states and 2887 transitions. [2020-12-01 16:20:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 2887 transitions. [2020-12-01 16:20:45,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:20:45,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 763 states and 2889 transitions. [2020-12-01 16:20:45,496 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 2889 transitions. [2020-12-01 16:20:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:20:45,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:45,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 763 states and 2887 transitions. [2020-12-01 16:20:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 2887 transitions. [2020-12-01 16:20:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:20:45,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 765 states and 2905 transitions. [2020-12-01 16:20:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 2905 transitions. [2020-12-01 16:20:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:20:45,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 767 states and 2908 transitions. [2020-12-01 16:20:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 2908 transitions. [2020-12-01 16:20:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:20:45,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:45,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 769 states and 2910 transitions. [2020-12-01 16:20:45,898 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 2910 transitions. [2020-12-01 16:20:45,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:20:45,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 771 states and 2912 transitions. [2020-12-01 16:20:46,011 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 2912 transitions. [2020-12-01 16:20:46,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:20:46,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:46,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 771 states and 2910 transitions. [2020-12-01 16:20:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 2910 transitions. [2020-12-01 16:20:46,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:20:46,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:46,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 773 states and 2928 transitions. [2020-12-01 16:20:46,213 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 2928 transitions. [2020-12-01 16:20:46,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:20:46,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 775 states and 2931 transitions. [2020-12-01 16:20:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 2931 transitions. [2020-12-01 16:20:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:20:46,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:46,318 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:46,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 777 states and 2933 transitions. [2020-12-01 16:20:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 2933 transitions. [2020-12-01 16:20:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:20:46,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 779 states and 2935 transitions. [2020-12-01 16:20:46,524 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 2935 transitions. [2020-12-01 16:20:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:20:46,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 779 states and 2933 transitions. [2020-12-01 16:20:46,641 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 2933 transitions. [2020-12-01 16:20:46,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:20:46,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:46,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 781 states and 2951 transitions. [2020-12-01 16:20:46,764 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 2951 transitions. [2020-12-01 16:20:46,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:20:46,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 783 states and 2954 transitions. [2020-12-01 16:20:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 2954 transitions. [2020-12-01 16:20:46,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:20:46,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:46,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 785 states and 2956 transitions. [2020-12-01 16:20:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 2956 transitions. [2020-12-01 16:20:46,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:20:46,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 787 states and 2958 transitions. [2020-12-01 16:20:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 2958 transitions. [2020-12-01 16:20:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:20:47,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,102 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:47,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 787 states and 2956 transitions. [2020-12-01 16:20:47,162 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 2956 transitions. [2020-12-01 16:20:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:20:47,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,185 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:47,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 789 states and 2974 transitions. [2020-12-01 16:20:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 2974 transitions. [2020-12-01 16:20:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:20:47,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 791 states and 2977 transitions. [2020-12-01 16:20:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 2977 transitions. [2020-12-01 16:20:47,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:20:47,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,352 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:47,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:47,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 793 states and 2979 transitions. [2020-12-01 16:20:47,450 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2979 transitions. [2020-12-01 16:20:47,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:20:47,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 795 states and 2981 transitions. [2020-12-01 16:20:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 2981 transitions. [2020-12-01 16:20:47,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:20:47,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:47,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 795 states and 2979 transitions. [2020-12-01 16:20:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 2979 transitions. [2020-12-01 16:20:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:20:47,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 797 states and 2997 transitions. [2020-12-01 16:20:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 2997 transitions. [2020-12-01 16:20:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:20:47,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:47,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:47,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 799 states and 3000 transitions. [2020-12-01 16:20:47,842 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 3000 transitions. [2020-12-01 16:20:47,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:20:47,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:47,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 801 states and 3002 transitions. [2020-12-01 16:20:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 3002 transitions. [2020-12-01 16:20:47,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:20:47,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 803 states and 3004 transitions. [2020-12-01 16:20:48,024 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 3004 transitions. [2020-12-01 16:20:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:20:48,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:48,048 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 803 states and 3002 transitions. [2020-12-01 16:20:48,109 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 3002 transitions. [2020-12-01 16:20:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:20:48,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 805 states and 3020 transitions. [2020-12-01 16:20:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 3020 transitions. [2020-12-01 16:20:48,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:20:48,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 807 states and 3023 transitions. [2020-12-01 16:20:48,299 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 3023 transitions. [2020-12-01 16:20:48,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:20:48,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 809 states and 3025 transitions. [2020-12-01 16:20:48,421 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 3025 transitions. [2020-12-01 16:20:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:20:48,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 811 states and 3027 transitions. [2020-12-01 16:20:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 3027 transitions. [2020-12-01 16:20:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:20:48,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:48,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 811 states and 3025 transitions. [2020-12-01 16:20:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 3025 transitions. [2020-12-01 16:20:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:20:48,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:48,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 813 states and 3043 transitions. [2020-12-01 16:20:48,709 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 3043 transitions. [2020-12-01 16:20:48,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:20:48,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 815 states and 3046 transitions. [2020-12-01 16:20:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 3046 transitions. [2020-12-01 16:20:48,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:20:48,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:48,824 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 817 states and 3048 transitions. [2020-12-01 16:20:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 3048 transitions. [2020-12-01 16:20:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:20:48,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 819 states and 3050 transitions. [2020-12-01 16:20:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 3050 transitions. [2020-12-01 16:20:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:20:49,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 819 states and 3048 transitions. [2020-12-01 16:20:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 3048 transitions. [2020-12-01 16:20:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:20:49,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3066 states to 821 states and 3066 transitions. [2020-12-01 16:20:49,198 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 3066 transitions. [2020-12-01 16:20:49,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:20:49,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 823 states and 3069 transitions. [2020-12-01 16:20:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 3069 transitions. [2020-12-01 16:20:49,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:20:49,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 825 states and 3071 transitions. [2020-12-01 16:20:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 3071 transitions. [2020-12-01 16:20:49,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:20:49,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:49,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 827 states and 3073 transitions. [2020-12-01 16:20:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 3073 transitions. [2020-12-01 16:20:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:20:49,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 827 states and 3071 transitions. [2020-12-01 16:20:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 3071 transitions. [2020-12-01 16:20:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:20:49,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:49,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 829 states and 3089 transitions. [2020-12-01 16:20:49,648 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 3089 transitions. [2020-12-01 16:20:49,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:20:49,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 831 states and 3092 transitions. [2020-12-01 16:20:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 3092 transitions. [2020-12-01 16:20:49,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:20:49,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 833 states and 3094 transitions. [2020-12-01 16:20:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 3094 transitions. [2020-12-01 16:20:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:20:49,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,852 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:49,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 835 states and 3096 transitions. [2020-12-01 16:20:49,915 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 3096 transitions. [2020-12-01 16:20:49,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:20:49,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:50,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 835 states and 3094 transitions. [2020-12-01 16:20:50,001 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 3094 transitions. [2020-12-01 16:20:50,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:20:50,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 837 states and 3112 transitions. [2020-12-01 16:20:50,084 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 3112 transitions. [2020-12-01 16:20:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:20:50,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 839 states and 3115 transitions. [2020-12-01 16:20:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 3115 transitions. [2020-12-01 16:20:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:20:50,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:50,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 841 states and 3117 transitions. [2020-12-01 16:20:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 3117 transitions. [2020-12-01 16:20:50,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:20:50,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,309 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:50,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 843 states and 3119 transitions. [2020-12-01 16:20:50,393 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 3119 transitions. [2020-12-01 16:20:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:20:50,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 843 states and 3117 transitions. [2020-12-01 16:20:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 3117 transitions. [2020-12-01 16:20:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:20:50,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 845 states and 3135 transitions. [2020-12-01 16:20:50,604 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 3135 transitions. [2020-12-01 16:20:50,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:20:50,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:50,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 847 states and 3138 transitions. [2020-12-01 16:20:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 3138 transitions. [2020-12-01 16:20:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:20:50,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:50,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 849 states and 3140 transitions. [2020-12-01 16:20:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 3140 transitions. [2020-12-01 16:20:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:20:50,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 851 states and 3142 transitions. [2020-12-01 16:20:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 3142 transitions. [2020-12-01 16:20:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:20:50,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 851 states and 3140 transitions. [2020-12-01 16:20:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 3140 transitions. [2020-12-01 16:20:50,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:20:50,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:20:51,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 853 states and 3158 transitions. [2020-12-01 16:20:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 3158 transitions. [2020-12-01 16:20:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:20:51,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 855 states and 3161 transitions. [2020-12-01 16:20:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 3161 transitions. [2020-12-01 16:20:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:20:51,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:51,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 857 states and 3163 transitions. [2020-12-01 16:20:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 3163 transitions. [2020-12-01 16:20:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:20:51,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:51,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3165 states to 859 states and 3165 transitions. [2020-12-01 16:20:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 3165 transitions. [2020-12-01 16:20:51,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:20:51,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 859 states and 3163 transitions. [2020-12-01 16:20:51,425 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 3163 transitions. [2020-12-01 16:20:51,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 16:20:51,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:51,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 861 states and 3166 transitions. [2020-12-01 16:20:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 3166 transitions. [2020-12-01 16:20:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 16:20:51,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 863 states and 3168 transitions. [2020-12-01 16:20:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 3168 transitions. [2020-12-01 16:20:51,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 16:20:51,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 865 states and 3170 transitions. [2020-12-01 16:20:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 3170 transitions. [2020-12-01 16:20:51,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 16:20:51,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 865 states and 3168 transitions. [2020-12-01 16:20:51,844 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 3168 transitions. [2020-12-01 16:20:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 16:20:51,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 867 states and 3171 transitions. [2020-12-01 16:20:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 3171 transitions. [2020-12-01 16:20:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 16:20:51,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:52,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 869 states and 3173 transitions. [2020-12-01 16:20:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 3173 transitions. [2020-12-01 16:20:52,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 16:20:52,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,090 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 871 states and 3175 transitions. [2020-12-01 16:20:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 3175 transitions. [2020-12-01 16:20:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 16:20:52,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,185 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 871 states and 3173 transitions. [2020-12-01 16:20:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 3173 transitions. [2020-12-01 16:20:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 16:20:52,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 873 states and 3176 transitions. [2020-12-01 16:20:52,329 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 3176 transitions. [2020-12-01 16:20:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 16:20:52,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 875 states and 3178 transitions. [2020-12-01 16:20:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 3178 transitions. [2020-12-01 16:20:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 16:20:52,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:52,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 877 states and 3180 transitions. [2020-12-01 16:20:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 3180 transitions. [2020-12-01 16:20:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 16:20:52,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 877 states and 3178 transitions. [2020-12-01 16:20:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 3178 transitions. [2020-12-01 16:20:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:20:52,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 879 states and 3181 transitions. [2020-12-01 16:20:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 3181 transitions. [2020-12-01 16:20:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:20:52,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 881 states and 3183 transitions. [2020-12-01 16:20:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 3183 transitions. [2020-12-01 16:20:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:20:52,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 883 states and 3185 transitions. [2020-12-01 16:20:52,953 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 3185 transitions. [2020-12-01 16:20:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:20:52,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:53,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 883 states and 3183 transitions. [2020-12-01 16:20:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 3183 transitions. [2020-12-01 16:20:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:20:53,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,063 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:53,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 885 states and 3186 transitions. [2020-12-01 16:20:53,130 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 3186 transitions. [2020-12-01 16:20:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:20:53,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 887 states and 3188 transitions. [2020-12-01 16:20:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 3188 transitions. [2020-12-01 16:20:53,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:20:53,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 889 states and 3190 transitions. [2020-12-01 16:20:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 3190 transitions. [2020-12-01 16:20:53,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:20:53,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 889 states and 3188 transitions. [2020-12-01 16:20:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 3188 transitions. [2020-12-01 16:20:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:20:53,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 891 states and 3193 transitions. [2020-12-01 16:20:53,475 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 3193 transitions. [2020-12-01 16:20:53,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:20:53,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 893 states and 3195 transitions. [2020-12-01 16:20:53,574 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 3195 transitions. [2020-12-01 16:20:53,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:20:53,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:53,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 895 states and 3197 transitions. [2020-12-01 16:20:53,659 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 3197 transitions. [2020-12-01 16:20:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:20:53,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:53,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 895 states and 3195 transitions. [2020-12-01 16:20:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 3195 transitions. [2020-12-01 16:20:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:20:53,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:53,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 896 states and 3190 transitions. [2020-12-01 16:20:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 3190 transitions. [2020-12-01 16:20:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:20:53,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 898 states and 3192 transitions. [2020-12-01 16:20:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 3192 transitions. [2020-12-01 16:20:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:20:53,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:53,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 900 states and 3194 transitions. [2020-12-01 16:20:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 3194 transitions. [2020-12-01 16:20:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:20:53,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 900 states and 3192 transitions. [2020-12-01 16:20:54,091 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 3192 transitions. [2020-12-01 16:20:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:20:54,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:54,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 902 states and 3196 transitions. [2020-12-01 16:20:54,157 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 3196 transitions. [2020-12-01 16:20:54,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:20:54,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 903 states and 3198 transitions. [2020-12-01 16:20:54,229 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 3198 transitions. [2020-12-01 16:20:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:20:54,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:54,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 905 states and 3200 transitions. [2020-12-01 16:20:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 3200 transitions. [2020-12-01 16:20:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:20:54,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,369 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:54,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 907 states and 3202 transitions. [2020-12-01 16:20:54,432 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 3202 transitions. [2020-12-01 16:20:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:20:54,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 907 states and 3200 transitions. [2020-12-01 16:20:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 3200 transitions. [2020-12-01 16:20:54,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:20:54,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:20:54,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 907 states and 3193 transitions. [2020-12-01 16:20:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 3193 transitions. [2020-12-01 16:20:54,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:20:54,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 909 states and 3195 transitions. [2020-12-01 16:20:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 3195 transitions. [2020-12-01 16:20:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:20:54,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:54,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 911 states and 3197 transitions. [2020-12-01 16:20:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 3197 transitions. [2020-12-01 16:20:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:20:54,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 911 states and 3195 transitions. [2020-12-01 16:20:54,881 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 3195 transitions. [2020-12-01 16:20:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 16:20:54,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 913 states and 3198 transitions. [2020-12-01 16:20:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 3198 transitions. [2020-12-01 16:20:54,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 16:20:54,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 915 states and 3200 transitions. [2020-12-01 16:20:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 3200 transitions. [2020-12-01 16:20:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 16:20:55,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,053 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 915 states and 3198 transitions. [2020-12-01 16:20:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 3198 transitions. [2020-12-01 16:20:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 16:20:55,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:55,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 917 states and 3200 transitions. [2020-12-01 16:20:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 3200 transitions. [2020-12-01 16:20:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 16:20:55,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 919 states and 3203 transitions. [2020-12-01 16:20:55,207 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 3203 transitions. [2020-12-01 16:20:55,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 16:20:55,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,227 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:55,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 919 states and 3201 transitions. [2020-12-01 16:20:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 3201 transitions. [2020-12-01 16:20:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:20:55,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 921 states and 3204 transitions. [2020-12-01 16:20:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 3204 transitions. [2020-12-01 16:20:55,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:20:55,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 922 states and 3204 transitions. [2020-12-01 16:20:55,380 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 3204 transitions. [2020-12-01 16:20:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:20:55,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,404 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:55,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3206 states to 924 states and 3206 transitions. [2020-12-01 16:20:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 3206 transitions. [2020-12-01 16:20:55,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:20:55,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 924 states and 3204 transitions. [2020-12-01 16:20:55,500 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 3204 transitions. [2020-12-01 16:20:55,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:20:55,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 926 states and 3207 transitions. [2020-12-01 16:20:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 3207 transitions. [2020-12-01 16:20:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:20:55,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,606 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:20:55,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 927 states and 3207 transitions. [2020-12-01 16:20:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 3207 transitions. [2020-12-01 16:20:55,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:20:55,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 928 states and 3207 transitions. [2020-12-01 16:20:55,682 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 3207 transitions. [2020-12-01 16:20:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:20:55,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 930 states and 3210 transitions. [2020-12-01 16:20:55,732 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 3210 transitions. [2020-12-01 16:20:55,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 16:20:55,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:20:55,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 931 states and 3210 transitions. [2020-12-01 16:20:55,779 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 3210 transitions. [2020-12-01 16:20:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 16:20:55,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:55,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3212 states to 933 states and 3212 transitions. [2020-12-01 16:20:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 3212 transitions. [2020-12-01 16:20:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 16:20:55,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:20:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 935 states and 3214 transitions. [2020-12-01 16:20:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 3214 transitions. [2020-12-01 16:20:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:20:55,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 937 states and 3217 transitions. [2020-12-01 16:20:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 3217 transitions. [2020-12-01 16:20:55,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:20:55,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 938 states and 3217 transitions. [2020-12-01 16:20:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 3217 transitions. [2020-12-01 16:20:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:20:55,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:20:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 940 states and 3219 transitions. [2020-12-01 16:20:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 3219 transitions. [2020-12-01 16:20:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-01 16:20:56,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:20:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 942 states and 3222 transitions. [2020-12-01 16:20:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 3222 transitions. [2020-12-01 16:20:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-01 16:20:56,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:20:56,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:56,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 943 states and 3222 transitions. [2020-12-01 16:20:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 3222 transitions. [2020-12-01 16:20:56,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-01 16:20:56,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:56,148 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:20:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 944 states and 3222 transitions. [2020-12-01 16:20:56,172 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 3222 transitions. [2020-12-01 16:20:56,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:20:56,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:56,200 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:20:56,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:56,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 181 states and 255 transitions. [2020-12-01 16:20:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 255 transitions. [2020-12-01 16:20:56,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:20:56,219 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 342 iterations. [2020-12-01 16:20:56,228 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:20:57,233 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:20:57,236 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-12-01 16:20:57,243 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:20:57,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:20:57 ImpRootNode [2020-12-01 16:20:57,244 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:20:57,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:20:57,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:20:57,245 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:20:57,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:11" (3/4) ... [2020-12-01 16:20:57,248 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:20:57,288 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 16:20:57,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 16:20:57,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:20:57,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:20:57,335 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0ff57946-3448-4442-9b46-aede587de110/bin/ukojak/witness.graphml [2020-12-01 16:20:57,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:20:57,336 INFO L168 Benchmark]: Toolchain (without parser) took 49263.62 ms. Allocated memory was 81.8 MB in the beginning and 1.1 GB in the end (delta: 981.5 MB). Free memory was 40.0 MB in the beginning and 404.0 MB in the end (delta: -364.0 MB). Peak memory consumption was 616.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:57,337 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 81.8 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:20:57,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1246.48 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 39.9 MB in the beginning and 41.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:57,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.02 ms. Allocated memory is still 98.6 MB. Free memory was 41.1 MB in the beginning and 41.0 MB in the end (delta: 104.5 kB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:57,338 INFO L168 Benchmark]: Boogie Preprocessor took 190.96 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 41.0 MB in the beginning and 83.2 MB in the end (delta: -42.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:57,339 INFO L168 Benchmark]: RCFGBuilder took 1984.28 ms. Allocated memory was 140.5 MB in the beginning and 218.1 MB in the end (delta: 77.6 MB). Free memory was 83.2 MB in the beginning and 143.4 MB in the end (delta: -60.3 MB). Peak memory consumption was 74.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:57,339 INFO L168 Benchmark]: CodeCheck took 45528.05 ms. Allocated memory was 218.1 MB in the beginning and 1.1 GB in the end (delta: 845.2 MB). Free memory was 142.4 MB in the beginning and 407.2 MB in the end (delta: -264.8 MB). Peak memory consumption was 581.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:57,340 INFO L168 Benchmark]: Witness Printer took 90.20 ms. Allocated memory is still 1.1 GB. Free memory was 407.2 MB in the beginning and 404.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:57,342 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, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.4s, OverallIterations: 342, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1595442102 SDslu, 337768202 SDs, 0 SdLazy, 773346444 SolverSat, 16908288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1332.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 385277 GetRequests, 381916 SyntacticMatches, 3069 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85261 ImplicationChecksByTransitivity, 20.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 18180 NumberOfCodeBlocks, 18180 NumberOfCodeBlocksAsserted, 341 NumberOfCheckSat, 17839 ConstructedInterpolants, 0 QuantifiedInterpolants, 2453960 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 341 InterpolantComputations, 326 PerfectInterpolantSequences, 6146/6375 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: 4]: 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: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((q == 2 && this_m_delta == 1) && this_m_conn == 0) && this_m_conn_data_listener == 0) || (((this_m_conn == 1 && this_m_delta == 1) && this_m_conn_data_listener == 0) && q == 4)) || q == 0) || (((this_m_conn == 1 && q == 3) && this_m_conn_data_listener == 1) && this_m_delta == 1) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: q == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 81.8 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1246.48 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 39.9 MB in the beginning and 41.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 214.02 ms. Allocated memory is still 98.6 MB. Free memory was 41.1 MB in the beginning and 41.0 MB in the end (delta: 104.5 kB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 190.96 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 41.0 MB in the beginning and 83.2 MB in the end (delta: -42.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1984.28 ms. Allocated memory was 140.5 MB in the beginning and 218.1 MB in the end (delta: 77.6 MB). Free memory was 83.2 MB in the beginning and 143.4 MB in the end (delta: -60.3 MB). Peak memory consumption was 74.2 MB. Max. memory is 16.1 GB. * CodeCheck took 45528.05 ms. Allocated memory was 218.1 MB in the beginning and 1.1 GB in the end (delta: 845.2 MB). Free memory was 142.4 MB in the beginning and 407.2 MB in the end (delta: -264.8 MB). Peak memory consumption was 581.4 MB. Max. memory is 16.1 GB. * Witness Printer took 90.20 ms. Allocated memory is still 1.1 GB. Free memory was 407.2 MB in the beginning and 404.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...