./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/nested_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN --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 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:38:45,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:38:45,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:38:45,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:38:45,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:38:45,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:38:45,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:38:45,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:38:45,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:38:45,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:38:45,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:38:45,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:38:45,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:38:45,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:38:45,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:38:45,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:38:45,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:38:45,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:38:45,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:38:45,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:38:45,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:38:45,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:38:45,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:38:45,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:38:45,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:38:45,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:38:45,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:38:45,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:38:45,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:38:45,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:38:45,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:38:45,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:38:45,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:38:45,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:38:45,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:38:45,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:38:45,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:38:45,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:38:45,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:38:45,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:38:45,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:38:45,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:38:45,995 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:38:45,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:38:45,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:38:45,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:38:45,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:38:45,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:38:45,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:38:45,997 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:38:45,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:38:45,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:38:45,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:38:45,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:38:45,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:38:45,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:38:45,999 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:38:45,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:38:45,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:38:45,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:38:45,999 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:38:45,999 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:38:46,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:38:46,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:38:46,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:38:46,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:38:46,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:38:46,001 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:38:46,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:38:46,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:38:46,001 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_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 [2021-11-21 05:38:46,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:38:46,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:38:46,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:38:46,342 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:38:46,348 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:38:46,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-simple/nested_5.c [2021-11-21 05:38:46,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/data/e1ee85258/96e6b6836e51433698802fb3d2e90a2a/FLAG54e4f7c4e [2021-11-21 05:38:46,876 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:38:46,876 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/sv-benchmarks/c/loop-simple/nested_5.c [2021-11-21 05:38:46,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/data/e1ee85258/96e6b6836e51433698802fb3d2e90a2a/FLAG54e4f7c4e [2021-11-21 05:38:47,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/data/e1ee85258/96e6b6836e51433698802fb3d2e90a2a [2021-11-21 05:38:47,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:38:47,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:38:47,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:38:47,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:38:47,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:38:47,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4db5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47, skipping insertion in model container [2021-11-21 05:38:47,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:38:47,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:38:47,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/sv-benchmarks/c/loop-simple/nested_5.c[899,912] [2021-11-21 05:38:47,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:38:47,492 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:38:47,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/sv-benchmarks/c/loop-simple/nested_5.c[899,912] [2021-11-21 05:38:47,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:38:47,520 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:38:47,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47 WrapperNode [2021-11-21 05:38:47,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:38:47,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:38:47,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:38:47,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:38:47,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,551 INFO L137 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-11-21 05:38:47,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:38:47,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:38:47,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:38:47,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:38:47,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:38:47,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:38:47,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:38:47,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:38:47,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:38:47,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:38:47,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:38:47,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a759aa-1d38-4454-adbf-8a94b1a9f797/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:38:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:38:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:38:47,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:38:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:38:47,698 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:38:47,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:38:47,803 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:38:47,832 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:38:47,832 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-21 05:38:47,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:38:47 BoogieIcfgContainer [2021-11-21 05:38:47,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:38:47,836 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:38:47,836 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:38:47,844 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:38:47,844 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:38:47" (1/1) ... [2021-11-21 05:38:47,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:38:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:47,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2021-11-21 05:38:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2021-11-21 05:38:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:38:47,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:47,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:48,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:38:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-21 05:38:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-21 05:38:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:38:48,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:48,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:38:48,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-21 05:38:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-21 05:38:48,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:38:48,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:48,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:38:48,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:48,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-11-21 05:38:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-11-21 05:38:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:38:48,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:48,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:38:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2021-11-21 05:38:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2021-11-21 05:38:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:38:48,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:48,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:38:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:48,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-21 05:38:48,618 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-21 05:38:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:38:48,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:48,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:38:48,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-21 05:38:48,777 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-21 05:38:48,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:38:48,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:48,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:38:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2021-11-21 05:38:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2021-11-21 05:38:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:38:49,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:49,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:49,218 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 05:38:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2021-11-21 05:38:50,196 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2021-11-21 05:38:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:38:50,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:50,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-21 05:38:53,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:53,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 99 transitions. [2021-11-21 05:38:53,288 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2021-11-21 05:38:53,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:38:53,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:53,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2021-11-21 05:39:02,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:02,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 99 states and 191 transitions. [2021-11-21 05:39:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 191 transitions. [2021-11-21 05:39:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 05:39:02,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:02,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 176 proven. 3 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-11-21 05:39:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 100 states and 192 transitions. [2021-11-21 05:39:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 192 transitions. [2021-11-21 05:39:03,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-21 05:39:03,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:03,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1536 backedges. 221 proven. 6 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-11-21 05:39:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 101 states and 193 transitions. [2021-11-21 05:39:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 193 transitions. [2021-11-21 05:39:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 05:39:03,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:03,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1585 backedges. 266 proven. 10 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-11-21 05:39:04,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:04,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 102 states and 194 transitions. [2021-11-21 05:39:04,548 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 194 transitions. [2021-11-21 05:39:04,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-21 05:39:04,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:04,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1635 backedges. 311 proven. 15 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-11-21 05:39:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 103 states and 194 transitions. [2021-11-21 05:39:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 194 transitions. [2021-11-21 05:39:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 05:39:05,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:05,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 501 proven. 24 refuted. 0 times theorem prover too weak. 1161 trivial. 0 not checked. [2021-11-21 05:39:06,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 107 states and 201 transitions. [2021-11-21 05:39:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 201 transitions. [2021-11-21 05:39:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 05:39:06,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:06,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1869 backedges. 535 proven. 3 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2021-11-21 05:39:06,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 108 states and 202 transitions. [2021-11-21 05:39:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 202 transitions. [2021-11-21 05:39:06,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 05:39:06,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:06,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 587 proven. 6 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2021-11-21 05:39:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:07,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 109 states and 203 transitions. [2021-11-21 05:39:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 203 transitions. [2021-11-21 05:39:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 05:39:07,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:07,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 639 proven. 10 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2021-11-21 05:39:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:07,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 110 states and 204 transitions. [2021-11-21 05:39:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 204 transitions. [2021-11-21 05:39:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-21 05:39:07,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:07,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:07,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 691 proven. 15 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2021-11-21 05:39:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 111 states and 204 transitions. [2021-11-21 05:39:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 204 transitions. [2021-11-21 05:39:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-21 05:39:08,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:08,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 816 proven. 97 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-11-21 05:39:09,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:09,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 115 states and 211 transitions. [2021-11-21 05:39:09,848 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 211 transitions. [2021-11-21 05:39:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 05:39:09,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:09,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2300 backedges. 894 proven. 3 refuted. 0 times theorem prover too weak. 1403 trivial. 0 not checked. [2021-11-21 05:39:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:10,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 116 states and 212 transitions. [2021-11-21 05:39:10,229 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 212 transitions. [2021-11-21 05:39:10,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-21 05:39:10,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:10,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2362 backedges. 953 proven. 6 refuted. 0 times theorem prover too weak. 1403 trivial. 0 not checked. [2021-11-21 05:39:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:10,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 117 states and 213 transitions. [2021-11-21 05:39:10,603 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 213 transitions. [2021-11-21 05:39:10,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 05:39:10,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:10,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:10,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2425 backedges. 1012 proven. 10 refuted. 0 times theorem prover too weak. 1403 trivial. 0 not checked. [2021-11-21 05:39:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 118 states and 214 transitions. [2021-11-21 05:39:10,966 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 214 transitions. [2021-11-21 05:39:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-21 05:39:10,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:10,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2489 backedges. 1071 proven. 15 refuted. 0 times theorem prover too weak. 1403 trivial. 0 not checked. [2021-11-21 05:39:11,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 119 states and 214 transitions. [2021-11-21 05:39:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 214 transitions. [2021-11-21 05:39:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 05:39:11,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:11,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2554 backedges. 1131 proven. 220 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2021-11-21 05:39:13,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 123 states and 221 transitions. [2021-11-21 05:39:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2021-11-21 05:39:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 05:39:13,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:13,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:13,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2781 backedges. 1253 proven. 3 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2021-11-21 05:39:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 124 states and 222 transitions. [2021-11-21 05:39:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2021-11-21 05:39:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-21 05:39:13,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:13,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 1319 proven. 6 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2021-11-21 05:39:13,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 125 states and 223 transitions. [2021-11-21 05:39:13,943 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 223 transitions. [2021-11-21 05:39:13,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 05:39:13,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:13,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2920 backedges. 1385 proven. 10 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2021-11-21 05:39:14,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 126 states and 224 transitions. [2021-11-21 05:39:14,327 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 224 transitions. [2021-11-21 05:39:14,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-21 05:39:14,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:14,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 1451 proven. 15 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2021-11-21 05:39:14,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:14,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 127 states and 224 transitions. [2021-11-21 05:39:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 224 transitions. [2021-11-21 05:39:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 05:39:14,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:14,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:15,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3063 backedges. 1446 proven. 393 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-21 05:39:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 131 states and 230 transitions. [2021-11-21 05:39:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 230 transitions. [2021-11-21 05:39:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-21 05:39:16,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:16,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:16,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3312 backedges. 1612 proven. 3 refuted. 0 times theorem prover too weak. 1697 trivial. 0 not checked. [2021-11-21 05:39:17,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:17,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 132 states and 231 transitions. [2021-11-21 05:39:17,041 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 231 transitions. [2021-11-21 05:39:17,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 05:39:17,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:17,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3388 backedges. 1685 proven. 6 refuted. 0 times theorem prover too weak. 1697 trivial. 0 not checked. [2021-11-21 05:39:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 133 states and 232 transitions. [2021-11-21 05:39:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 232 transitions. [2021-11-21 05:39:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 05:39:17,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:17,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 1758 proven. 10 refuted. 0 times theorem prover too weak. 1697 trivial. 0 not checked. [2021-11-21 05:39:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:17,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 233 transitions. [2021-11-21 05:39:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 233 transitions. [2021-11-21 05:39:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-21 05:39:17,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:17,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3543 backedges. 1831 proven. 15 refuted. 0 times theorem prover too weak. 1697 trivial. 0 not checked. [2021-11-21 05:39:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 233 transitions. [2021-11-21 05:39:18,435 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2021-11-21 05:39:18,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-21 05:39:18,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:18,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3622 backedges. 1851 proven. 3 refuted. 0 times theorem prover too weak. 1768 trivial. 0 not checked. [2021-11-21 05:39:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 136 states and 234 transitions. [2021-11-21 05:39:18,868 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 234 transitions. [2021-11-21 05:39:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-21 05:39:18,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:18,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3702 backedges. 1928 proven. 6 refuted. 0 times theorem prover too weak. 1768 trivial. 0 not checked. [2021-11-21 05:39:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 137 states and 235 transitions. [2021-11-21 05:39:19,268 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 235 transitions. [2021-11-21 05:39:19,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-21 05:39:19,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:19,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3783 backedges. 2005 proven. 10 refuted. 0 times theorem prover too weak. 1768 trivial. 0 not checked. [2021-11-21 05:39:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 138 states and 236 transitions. [2021-11-21 05:39:19,724 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 236 transitions. [2021-11-21 05:39:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-21 05:39:19,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:19,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3865 backedges. 2082 proven. 15 refuted. 0 times theorem prover too weak. 1768 trivial. 0 not checked. [2021-11-21 05:39:20,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 139 states and 236 transitions. [2021-11-21 05:39:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 236 transitions. [2021-11-21 05:39:20,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 05:39:20,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:20,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:20,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3948 backedges. 1942 proven. 276 refuted. 0 times theorem prover too weak. 1730 trivial. 0 not checked. [2021-11-21 05:39:24,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:24,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 149 states and 255 transitions. [2021-11-21 05:39:24,248 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 255 transitions. [2021-11-21 05:39:24,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 05:39:24,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:24,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4566 backedges. 2364 proven. 3 refuted. 0 times theorem prover too weak. 2199 trivial. 0 not checked. [2021-11-21 05:39:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 150 states and 256 transitions. [2021-11-21 05:39:24,715 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 256 transitions. [2021-11-21 05:39:24,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-21 05:39:24,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:24,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 2451 proven. 6 refuted. 0 times theorem prover too weak. 2199 trivial. 0 not checked. [2021-11-21 05:39:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 151 states and 257 transitions. [2021-11-21 05:39:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 257 transitions. [2021-11-21 05:39:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-21 05:39:25,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:25,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:25,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4747 backedges. 2538 proven. 10 refuted. 0 times theorem prover too weak. 2199 trivial. 0 not checked. [2021-11-21 05:39:25,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 152 states and 258 transitions. [2021-11-21 05:39:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 258 transitions. [2021-11-21 05:39:25,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-21 05:39:25,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:25,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4839 backedges. 2625 proven. 15 refuted. 0 times theorem prover too weak. 2199 trivial. 0 not checked. [2021-11-21 05:39:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:26,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 153 states and 258 transitions. [2021-11-21 05:39:26,137 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 258 transitions. [2021-11-21 05:39:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-21 05:39:26,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:26,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4932 backedges. 2864 proven. 24 refuted. 0 times theorem prover too weak. 2044 trivial. 0 not checked. [2021-11-21 05:39:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:27,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 157 states and 265 transitions. [2021-11-21 05:39:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 265 transitions. [2021-11-21 05:39:27,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-21 05:39:27,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:27,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5248 backedges. 2723 proven. 3 refuted. 0 times theorem prover too weak. 2522 trivial. 0 not checked. [2021-11-21 05:39:28,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 158 states and 266 transitions. [2021-11-21 05:39:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 266 transitions. [2021-11-21 05:39:28,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-21 05:39:28,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:28,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:28,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5345 backedges. 2817 proven. 6 refuted. 0 times theorem prover too weak. 2522 trivial. 0 not checked. [2021-11-21 05:39:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 05:39:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 05:39:29,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-21 05:39:29,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:29,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5443 backedges. 2911 proven. 10 refuted. 0 times theorem prover too weak. 2522 trivial. 0 not checked. [2021-11-21 05:39:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 160 states and 268 transitions. [2021-11-21 05:39:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 268 transitions. [2021-11-21 05:39:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-21 05:39:29,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:29,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5542 backedges. 3005 proven. 15 refuted. 0 times theorem prover too weak. 2522 trivial. 0 not checked. [2021-11-21 05:39:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 161 states and 268 transitions. [2021-11-21 05:39:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 268 transitions. [2021-11-21 05:39:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-21 05:39:30,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:30,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5642 backedges. 3480 proven. 97 refuted. 0 times theorem prover too weak. 2065 trivial. 0 not checked. [2021-11-21 05:39:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 165 states and 275 transitions. [2021-11-21 05:39:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 275 transitions. [2021-11-21 05:39:32,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-21 05:39:32,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:32,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5980 backedges. 3082 proven. 3 refuted. 0 times theorem prover too weak. 2895 trivial. 0 not checked. [2021-11-21 05:39:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 166 states and 276 transitions. [2021-11-21 05:39:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 276 transitions. [2021-11-21 05:39:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-21 05:39:32,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:32,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6084 backedges. 3183 proven. 6 refuted. 0 times theorem prover too weak. 2895 trivial. 0 not checked. [2021-11-21 05:39:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 167 states and 277 transitions. [2021-11-21 05:39:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 277 transitions. [2021-11-21 05:39:33,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-21 05:39:33,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:33,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:33,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6189 backedges. 3284 proven. 10 refuted. 0 times theorem prover too weak. 2895 trivial. 0 not checked. [2021-11-21 05:39:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 168 states and 278 transitions. [2021-11-21 05:39:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 278 transitions. [2021-11-21 05:39:33,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-21 05:39:33,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:33,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6295 backedges. 3385 proven. 15 refuted. 0 times theorem prover too weak. 2895 trivial. 0 not checked. [2021-11-21 05:39:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 169 states and 278 transitions. [2021-11-21 05:39:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 278 transitions. [2021-11-21 05:39:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-21 05:39:34,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:34,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6402 backedges. 4096 proven. 220 refuted. 0 times theorem prover too weak. 2086 trivial. 0 not checked. [2021-11-21 05:39:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 173 states and 285 transitions. [2021-11-21 05:39:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 285 transitions. [2021-11-21 05:39:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-21 05:39:36,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:36,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6762 backedges. 3441 proven. 3 refuted. 0 times theorem prover too weak. 3318 trivial. 0 not checked. [2021-11-21 05:39:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:36,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 174 states and 286 transitions. [2021-11-21 05:39:36,616 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 286 transitions. [2021-11-21 05:39:36,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-21 05:39:36,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:36,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6873 backedges. 3549 proven. 6 refuted. 0 times theorem prover too weak. 3318 trivial. 0 not checked. [2021-11-21 05:39:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:37,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 175 states and 287 transitions. [2021-11-21 05:39:37,147 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 287 transitions. [2021-11-21 05:39:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-21 05:39:37,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:37,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6985 backedges. 3657 proven. 10 refuted. 0 times theorem prover too weak. 3318 trivial. 0 not checked. [2021-11-21 05:39:37,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 176 states and 288 transitions. [2021-11-21 05:39:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 288 transitions. [2021-11-21 05:39:37,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-21 05:39:37,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:37,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7098 backedges. 3765 proven. 15 refuted. 0 times theorem prover too weak. 3318 trivial. 0 not checked. [2021-11-21 05:39:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2021-11-21 05:39:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2021-11-21 05:39:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-21 05:39:38,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:38,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7212 backedges. 4712 proven. 393 refuted. 0 times theorem prover too weak. 2107 trivial. 0 not checked. [2021-11-21 05:39:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:40,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 181 states and 294 transitions. [2021-11-21 05:39:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 294 transitions. [2021-11-21 05:39:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-21 05:39:40,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:40,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:40,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7594 backedges. 3800 proven. 3 refuted. 0 times theorem prover too weak. 3791 trivial. 0 not checked. [2021-11-21 05:39:40,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:40,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 182 states and 295 transitions. [2021-11-21 05:39:40,836 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 295 transitions. [2021-11-21 05:39:40,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-21 05:39:40,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:40,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7712 backedges. 3915 proven. 6 refuted. 0 times theorem prover too weak. 3791 trivial. 0 not checked. [2021-11-21 05:39:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 183 states and 296 transitions. [2021-11-21 05:39:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 296 transitions. [2021-11-21 05:39:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-21 05:39:41,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:41,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 7831 backedges. 4030 proven. 10 refuted. 0 times theorem prover too weak. 3791 trivial. 0 not checked. [2021-11-21 05:39:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 184 states and 297 transitions. [2021-11-21 05:39:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 297 transitions. [2021-11-21 05:39:41,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-21 05:39:41,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:41,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 7951 backedges. 4145 proven. 15 refuted. 0 times theorem prover too weak. 3791 trivial. 0 not checked. [2021-11-21 05:39:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 185 states and 297 transitions. [2021-11-21 05:39:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 297 transitions. [2021-11-21 05:39:42,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-21 05:39:42,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:42,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:42,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8072 backedges. 3906 proven. 3 refuted. 0 times theorem prover too weak. 4163 trivial. 0 not checked. [2021-11-21 05:39:43,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:43,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 186 states and 298 transitions. [2021-11-21 05:39:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 298 transitions. [2021-11-21 05:39:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-21 05:39:43,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:43,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:43,525 INFO L134 CoverageAnalysis]: Checked inductivity of 8194 backedges. 4025 proven. 6 refuted. 0 times theorem prover too weak. 4163 trivial. 0 not checked. [2021-11-21 05:39:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 187 states and 299 transitions. [2021-11-21 05:39:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 299 transitions. [2021-11-21 05:39:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-21 05:39:44,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:44,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:44,096 INFO L134 CoverageAnalysis]: Checked inductivity of 8317 backedges. 4144 proven. 10 refuted. 0 times theorem prover too weak. 4163 trivial. 0 not checked. [2021-11-21 05:39:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 188 states and 300 transitions. [2021-11-21 05:39:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 300 transitions. [2021-11-21 05:39:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 05:39:44,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:44,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 8441 backedges. 4263 proven. 15 refuted. 0 times theorem prover too weak. 4163 trivial. 0 not checked. [2021-11-21 05:39:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 189 states and 300 transitions. [2021-11-21 05:39:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 300 transitions. [2021-11-21 05:39:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-21 05:39:45,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:45,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 8566 backedges. 3589 proven. 2365 refuted. 0 times theorem prover too weak. 2612 trivial. 0 not checked. [2021-11-21 05:39:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 199 states and 319 transitions. [2021-11-21 05:39:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 319 transitions. [2021-11-21 05:39:50,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-21 05:39:50,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:50,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 9458 backedges. 4552 proven. 3 refuted. 0 times theorem prover too weak. 4903 trivial. 0 not checked. [2021-11-21 05:39:51,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:51,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 200 states and 320 transitions. [2021-11-21 05:39:51,037 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 320 transitions. [2021-11-21 05:39:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-21 05:39:51,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:51,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 9590 backedges. 4681 proven. 6 refuted. 0 times theorem prover too weak. 4903 trivial. 0 not checked. [2021-11-21 05:39:51,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:51,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 201 states and 321 transitions. [2021-11-21 05:39:51,731 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 321 transitions. [2021-11-21 05:39:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-21 05:39:51,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:51,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9723 backedges. 4810 proven. 10 refuted. 0 times theorem prover too weak. 4903 trivial. 0 not checked. [2021-11-21 05:39:52,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 202 states and 322 transitions. [2021-11-21 05:39:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 322 transitions. [2021-11-21 05:39:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-21 05:39:52,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:52,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:52,301 INFO L134 CoverageAnalysis]: Checked inductivity of 9857 backedges. 4939 proven. 15 refuted. 0 times theorem prover too weak. 4903 trivial. 0 not checked. [2021-11-21 05:39:52,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 203 states and 322 transitions. [2021-11-21 05:39:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 322 transitions. [2021-11-21 05:39:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-21 05:39:52,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:52,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9992 backedges. 5227 proven. 24 refuted. 0 times theorem prover too weak. 4741 trivial. 0 not checked. [2021-11-21 05:39:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 207 states and 329 transitions. [2021-11-21 05:39:54,869 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 329 transitions. [2021-11-21 05:39:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-21 05:39:54,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:54,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10441 backedges. 4911 proven. 3 refuted. 0 times theorem prover too weak. 5527 trivial. 0 not checked. [2021-11-21 05:39:55,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:55,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 208 states and 330 transitions. [2021-11-21 05:39:55,430 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 330 transitions. [2021-11-21 05:39:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-21 05:39:55,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:55,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10580 backedges. 5047 proven. 6 refuted. 0 times theorem prover too weak. 5527 trivial. 0 not checked. [2021-11-21 05:39:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 209 states and 331 transitions. [2021-11-21 05:39:56,164 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 331 transitions. [2021-11-21 05:39:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-21 05:39:56,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:56,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 5183 proven. 10 refuted. 0 times theorem prover too weak. 5527 trivial. 0 not checked. [2021-11-21 05:39:56,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 210 states and 332 transitions. [2021-11-21 05:39:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 332 transitions. [2021-11-21 05:39:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-21 05:39:56,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:56,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 10861 backedges. 5319 proven. 15 refuted. 0 times theorem prover too weak. 5527 trivial. 0 not checked. [2021-11-21 05:39:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:57,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 211 states and 332 transitions. [2021-11-21 05:39:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 332 transitions. [2021-11-21 05:39:57,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-21 05:39:57,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:57,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 11003 backedges. 6144 proven. 97 refuted. 0 times theorem prover too weak. 4762 trivial. 0 not checked. [2021-11-21 05:39:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:59,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 215 states and 339 transitions. [2021-11-21 05:39:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 339 transitions. [2021-11-21 05:39:59,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-21 05:39:59,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:59,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 11474 backedges. 5270 proven. 3 refuted. 0 times theorem prover too weak. 6201 trivial. 0 not checked. [2021-11-21 05:40:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 216 states and 340 transitions. [2021-11-21 05:40:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 340 transitions. [2021-11-21 05:40:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-21 05:40:00,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:00,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 11620 backedges. 5413 proven. 6 refuted. 0 times theorem prover too weak. 6201 trivial. 0 not checked. [2021-11-21 05:40:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 217 states and 341 transitions. [2021-11-21 05:40:00,832 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 341 transitions. [2021-11-21 05:40:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-21 05:40:00,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:00,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 11767 backedges. 5556 proven. 10 refuted. 0 times theorem prover too weak. 6201 trivial. 0 not checked. [2021-11-21 05:40:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 218 states and 342 transitions. [2021-11-21 05:40:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 342 transitions. [2021-11-21 05:40:01,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-21 05:40:01,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:01,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 11915 backedges. 5699 proven. 15 refuted. 0 times theorem prover too weak. 6201 trivial. 0 not checked. [2021-11-21 05:40:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 219 states and 342 transitions. [2021-11-21 05:40:02,066 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 342 transitions. [2021-11-21 05:40:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-21 05:40:02,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:02,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:02,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12064 backedges. 7061 proven. 220 refuted. 0 times theorem prover too weak. 4783 trivial. 0 not checked. [2021-11-21 05:40:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:04,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 223 states and 349 transitions. [2021-11-21 05:40:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 349 transitions. [2021-11-21 05:40:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-21 05:40:04,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:04,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12557 backedges. 5629 proven. 3 refuted. 0 times theorem prover too weak. 6925 trivial. 0 not checked. [2021-11-21 05:40:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 224 states and 350 transitions. [2021-11-21 05:40:04,977 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 350 transitions. [2021-11-21 05:40:04,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-21 05:40:04,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:04,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12710 backedges. 5779 proven. 6 refuted. 0 times theorem prover too weak. 6925 trivial. 0 not checked. [2021-11-21 05:40:05,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 225 states and 351 transitions. [2021-11-21 05:40:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 351 transitions. [2021-11-21 05:40:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-21 05:40:05,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:05,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12864 backedges. 5929 proven. 10 refuted. 0 times theorem prover too weak. 6925 trivial. 0 not checked. [2021-11-21 05:40:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 226 states and 352 transitions. [2021-11-21 05:40:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 352 transitions. [2021-11-21 05:40:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-21 05:40:06,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:06,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 13019 backedges. 6079 proven. 15 refuted. 0 times theorem prover too weak. 6925 trivial. 0 not checked. [2021-11-21 05:40:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 227 states and 352 transitions. [2021-11-21 05:40:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 352 transitions. [2021-11-21 05:40:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-21 05:40:06,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:06,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 13175 backedges. 7978 proven. 393 refuted. 0 times theorem prover too weak. 4804 trivial. 0 not checked. [2021-11-21 05:40:09,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 231 states and 358 transitions. [2021-11-21 05:40:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 358 transitions. [2021-11-21 05:40:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-21 05:40:09,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:09,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:09,251 INFO L134 CoverageAnalysis]: Checked inductivity of 13690 backedges. 5988 proven. 3 refuted. 0 times theorem prover too weak. 7699 trivial. 0 not checked. [2021-11-21 05:40:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 232 states and 359 transitions. [2021-11-21 05:40:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 359 transitions. [2021-11-21 05:40:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-21 05:40:09,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:09,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 13850 backedges. 6145 proven. 6 refuted. 0 times theorem prover too weak. 7699 trivial. 0 not checked. [2021-11-21 05:40:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 233 states and 360 transitions. [2021-11-21 05:40:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 360 transitions. [2021-11-21 05:40:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-21 05:40:10,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:10,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 14011 backedges. 6302 proven. 10 refuted. 0 times theorem prover too weak. 7699 trivial. 0 not checked. [2021-11-21 05:40:11,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:11,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 234 states and 361 transitions. [2021-11-21 05:40:11,372 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 361 transitions. [2021-11-21 05:40:11,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-21 05:40:11,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:11,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:11,431 INFO L134 CoverageAnalysis]: Checked inductivity of 14173 backedges. 6459 proven. 15 refuted. 0 times theorem prover too weak. 7699 trivial. 0 not checked. [2021-11-21 05:40:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 235 states and 361 transitions. [2021-11-21 05:40:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 361 transitions. [2021-11-21 05:40:12,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-21 05:40:12,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:12,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:12,116 INFO L134 CoverageAnalysis]: Checked inductivity of 14336 backedges. 5961 proven. 3 refuted. 0 times theorem prover too weak. 8372 trivial. 0 not checked. [2021-11-21 05:40:12,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 236 states and 362 transitions. [2021-11-21 05:40:12,690 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 362 transitions. [2021-11-21 05:40:12,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-21 05:40:12,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:12,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 14500 backedges. 6122 proven. 6 refuted. 0 times theorem prover too weak. 8372 trivial. 0 not checked. [2021-11-21 05:40:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 237 states and 363 transitions. [2021-11-21 05:40:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 363 transitions. [2021-11-21 05:40:13,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-21 05:40:13,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:13,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 14665 backedges. 6283 proven. 10 refuted. 0 times theorem prover too weak. 8372 trivial. 0 not checked. [2021-11-21 05:40:13,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 238 states and 364 transitions. [2021-11-21 05:40:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 364 transitions. [2021-11-21 05:40:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-21 05:40:13,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:13,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 14831 backedges. 6444 proven. 15 refuted. 0 times theorem prover too weak. 8372 trivial. 0 not checked. [2021-11-21 05:40:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 239 states and 364 transitions. [2021-11-21 05:40:14,727 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 364 transitions. [2021-11-21 05:40:14,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-21 05:40:14,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:14,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 14998 backedges. 5236 proven. 6268 refuted. 0 times theorem prover too weak. 3494 trivial. 0 not checked. [2021-11-21 05:40:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 249 states and 383 transitions. [2021-11-21 05:40:21,053 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 383 transitions. [2021-11-21 05:40:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-21 05:40:21,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:21,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 16164 backedges. 6740 proven. 3 refuted. 0 times theorem prover too weak. 9421 trivial. 0 not checked. [2021-11-21 05:40:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 250 states and 384 transitions. [2021-11-21 05:40:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 384 transitions. [2021-11-21 05:40:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-21 05:40:21,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:21,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:21,728 INFO L134 CoverageAnalysis]: Checked inductivity of 16338 backedges. 6911 proven. 6 refuted. 0 times theorem prover too weak. 9421 trivial. 0 not checked. [2021-11-21 05:40:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 251 states and 385 transitions. [2021-11-21 05:40:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 385 transitions. [2021-11-21 05:40:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-21 05:40:22,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:22,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 16513 backedges. 7082 proven. 10 refuted. 0 times theorem prover too weak. 9421 trivial. 0 not checked. [2021-11-21 05:40:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:22,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 252 states and 386 transitions. [2021-11-21 05:40:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 386 transitions. [2021-11-21 05:40:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-21 05:40:22,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:22,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:23,044 INFO L134 CoverageAnalysis]: Checked inductivity of 16689 backedges. 7253 proven. 15 refuted. 0 times theorem prover too weak. 9421 trivial. 0 not checked. [2021-11-21 05:40:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 253 states and 386 transitions. [2021-11-21 05:40:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 386 transitions. [2021-11-21 05:40:23,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-21 05:40:23,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:23,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:23,722 INFO L134 CoverageAnalysis]: Checked inductivity of 16866 backedges. 7590 proven. 24 refuted. 0 times theorem prover too weak. 9252 trivial. 0 not checked. [2021-11-21 05:40:26,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 257 states and 393 transitions. [2021-11-21 05:40:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 393 transitions. [2021-11-21 05:40:26,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-21 05:40:26,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:26,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 17448 backedges. 7099 proven. 3 refuted. 0 times theorem prover too weak. 10346 trivial. 0 not checked. [2021-11-21 05:40:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 258 states and 394 transitions. [2021-11-21 05:40:26,948 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 394 transitions. [2021-11-21 05:40:26,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-21 05:40:26,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:26,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:27,003 INFO L134 CoverageAnalysis]: Checked inductivity of 17629 backedges. 7277 proven. 6 refuted. 0 times theorem prover too weak. 10346 trivial. 0 not checked. [2021-11-21 05:40:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:27,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 259 states and 395 transitions. [2021-11-21 05:40:27,650 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 395 transitions. [2021-11-21 05:40:27,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-21 05:40:27,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:27,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 17811 backedges. 7455 proven. 10 refuted. 0 times theorem prover too weak. 10346 trivial. 0 not checked. [2021-11-21 05:40:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 260 states and 396 transitions. [2021-11-21 05:40:28,359 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 396 transitions. [2021-11-21 05:40:28,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-21 05:40:28,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:28,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 17994 backedges. 7633 proven. 15 refuted. 0 times theorem prover too weak. 10346 trivial. 0 not checked. [2021-11-21 05:40:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:29,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 261 states and 396 transitions. [2021-11-21 05:40:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 396 transitions. [2021-11-21 05:40:29,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-21 05:40:29,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:29,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 18178 backedges. 8808 proven. 97 refuted. 0 times theorem prover too weak. 9273 trivial. 0 not checked. [2021-11-21 05:40:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 265 states and 403 transitions. [2021-11-21 05:40:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 403 transitions. [2021-11-21 05:40:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-21 05:40:31,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:31,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 18782 backedges. 7458 proven. 3 refuted. 0 times theorem prover too weak. 11321 trivial. 0 not checked. [2021-11-21 05:40:32,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:32,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 266 states and 404 transitions. [2021-11-21 05:40:32,557 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 404 transitions. [2021-11-21 05:40:32,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-21 05:40:32,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:32,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 18970 backedges. 7643 proven. 6 refuted. 0 times theorem prover too weak. 11321 trivial. 0 not checked. [2021-11-21 05:40:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 267 states and 405 transitions. [2021-11-21 05:40:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 405 transitions. [2021-11-21 05:40:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-21 05:40:33,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:33,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 19159 backedges. 7828 proven. 10 refuted. 0 times theorem prover too weak. 11321 trivial. 0 not checked. [2021-11-21 05:40:34,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 268 states and 406 transitions. [2021-11-21 05:40:34,126 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 406 transitions. [2021-11-21 05:40:34,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-21 05:40:34,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:34,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 19349 backedges. 8013 proven. 15 refuted. 0 times theorem prover too weak. 11321 trivial. 0 not checked. [2021-11-21 05:40:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 269 states and 406 transitions. [2021-11-21 05:40:34,868 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 406 transitions. [2021-11-21 05:40:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-21 05:40:34,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:34,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 19540 backedges. 10026 proven. 220 refuted. 0 times theorem prover too weak. 9294 trivial. 0 not checked. [2021-11-21 05:40:37,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 273 states and 413 transitions. [2021-11-21 05:40:37,514 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 413 transitions. [2021-11-21 05:40:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-21 05:40:37,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:37,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20166 backedges. 7817 proven. 3 refuted. 0 times theorem prover too weak. 12346 trivial. 0 not checked. [2021-11-21 05:40:38,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 274 states and 414 transitions. [2021-11-21 05:40:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 414 transitions. [2021-11-21 05:40:38,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-21 05:40:38,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:38,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 20361 backedges. 8009 proven. 6 refuted. 0 times theorem prover too weak. 12346 trivial. 0 not checked. [2021-11-21 05:40:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 275 states and 415 transitions. [2021-11-21 05:40:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 415 transitions. [2021-11-21 05:40:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-21 05:40:39,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:39,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:39,201 INFO L134 CoverageAnalysis]: Checked inductivity of 20557 backedges. 8201 proven. 10 refuted. 0 times theorem prover too weak. 12346 trivial. 0 not checked. [2021-11-21 05:40:39,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 276 states and 416 transitions. [2021-11-21 05:40:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 416 transitions. [2021-11-21 05:40:39,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-21 05:40:39,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:39,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 20754 backedges. 8393 proven. 15 refuted. 0 times theorem prover too weak. 12346 trivial. 0 not checked. [2021-11-21 05:40:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:40,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 277 states and 416 transitions. [2021-11-21 05:40:40,642 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 416 transitions. [2021-11-21 05:40:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-21 05:40:40,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:40,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20952 backedges. 11244 proven. 393 refuted. 0 times theorem prover too weak. 9315 trivial. 0 not checked. [2021-11-21 05:40:43,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 281 states and 422 transitions. [2021-11-21 05:40:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 422 transitions. [2021-11-21 05:40:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-21 05:40:43,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:43,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 21600 backedges. 8176 proven. 3 refuted. 0 times theorem prover too weak. 13421 trivial. 0 not checked. [2021-11-21 05:40:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:44,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 282 states and 423 transitions. [2021-11-21 05:40:44,312 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 423 transitions. [2021-11-21 05:40:44,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-21 05:40:44,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:44,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 21802 backedges. 8375 proven. 6 refuted. 0 times theorem prover too weak. 13421 trivial. 0 not checked. [2021-11-21 05:40:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 283 states and 424 transitions. [2021-11-21 05:40:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 424 transitions. [2021-11-21 05:40:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-21 05:40:45,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:45,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 22005 backedges. 8574 proven. 10 refuted. 0 times theorem prover too weak. 13421 trivial. 0 not checked. [2021-11-21 05:40:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 284 states and 425 transitions. [2021-11-21 05:40:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 425 transitions. [2021-11-21 05:40:45,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-21 05:40:45,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:45,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 22209 backedges. 8773 proven. 15 refuted. 0 times theorem prover too weak. 13421 trivial. 0 not checked. [2021-11-21 05:40:46,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 285 states and 425 transitions. [2021-11-21 05:40:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 425 transitions. [2021-11-21 05:40:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-21 05:40:46,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:46,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:46,924 INFO L134 CoverageAnalysis]: Checked inductivity of 22414 backedges. 8016 proven. 3 refuted. 0 times theorem prover too weak. 14395 trivial. 0 not checked. [2021-11-21 05:40:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 286 states and 426 transitions. [2021-11-21 05:40:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 426 transitions. [2021-11-21 05:40:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-21 05:40:47,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:47,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 22620 backedges. 8219 proven. 6 refuted. 0 times theorem prover too weak. 14395 trivial. 0 not checked. [2021-11-21 05:40:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 287 states and 427 transitions. [2021-11-21 05:40:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 427 transitions. [2021-11-21 05:40:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-21 05:40:48,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:48,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 22827 backedges. 8422 proven. 10 refuted. 0 times theorem prover too weak. 14395 trivial. 0 not checked. [2021-11-21 05:40:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 288 states and 428 transitions. [2021-11-21 05:40:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 428 transitions. [2021-11-21 05:40:49,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-21 05:40:49,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:49,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 23035 backedges. 8625 proven. 15 refuted. 0 times theorem prover too weak. 14395 trivial. 0 not checked. [2021-11-21 05:40:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:50,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 289 states and 428 transitions. [2021-11-21 05:40:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 428 transitions. [2021-11-21 05:40:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-21 05:40:50,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:50,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 23244 backedges. 6883 proven. 11985 refuted. 0 times theorem prover too weak. 4376 trivial. 0 not checked. [2021-11-21 05:40:58,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:58,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 299 states and 446 transitions. [2021-11-21 05:40:58,078 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 446 transitions. [2021-11-21 05:40:58,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-21 05:40:58,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:58,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 24684 backedges. 8928 proven. 3 refuted. 0 times theorem prover too weak. 15753 trivial. 0 not checked. [2021-11-21 05:40:58,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 300 states and 447 transitions. [2021-11-21 05:40:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 447 transitions. [2021-11-21 05:40:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-21 05:40:58,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:58,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 24900 backedges. 9141 proven. 6 refuted. 0 times theorem prover too weak. 15753 trivial. 0 not checked. [2021-11-21 05:40:59,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:59,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 301 states and 448 transitions. [2021-11-21 05:40:59,616 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 448 transitions. [2021-11-21 05:40:59,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-21 05:40:59,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:59,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25117 backedges. 9354 proven. 10 refuted. 0 times theorem prover too weak. 15753 trivial. 0 not checked. [2021-11-21 05:41:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 302 states and 449 transitions. [2021-11-21 05:41:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 449 transitions. [2021-11-21 05:41:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-21 05:41:00,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:00,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:00,689 INFO L134 CoverageAnalysis]: Checked inductivity of 25335 backedges. 9567 proven. 15 refuted. 0 times theorem prover too weak. 15753 trivial. 0 not checked. [2021-11-21 05:41:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 303 states and 449 transitions. [2021-11-21 05:41:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 449 transitions. [2021-11-21 05:41:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-21 05:41:01,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:01,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 25554 backedges. 9953 proven. 24 refuted. 0 times theorem prover too weak. 15577 trivial. 0 not checked. [2021-11-21 05:41:04,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:04,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 307 states and 456 transitions. [2021-11-21 05:41:04,599 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 456 transitions. [2021-11-21 05:41:04,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-21 05:41:04,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:04,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 26269 backedges. 9287 proven. 3 refuted. 0 times theorem prover too weak. 16979 trivial. 0 not checked. [2021-11-21 05:41:05,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 308 states and 457 transitions. [2021-11-21 05:41:05,473 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 457 transitions. [2021-11-21 05:41:05,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-21 05:41:05,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:05,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 26492 backedges. 9507 proven. 6 refuted. 0 times theorem prover too weak. 16979 trivial. 0 not checked. [2021-11-21 05:41:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:06,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 309 states and 458 transitions. [2021-11-21 05:41:06,325 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 458 transitions. [2021-11-21 05:41:06,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-21 05:41:06,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:06,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 26716 backedges. 9727 proven. 10 refuted. 0 times theorem prover too weak. 16979 trivial. 0 not checked. [2021-11-21 05:41:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:07,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 310 states and 459 transitions. [2021-11-21 05:41:07,158 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 459 transitions. [2021-11-21 05:41:07,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-21 05:41:07,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:07,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 26941 backedges. 9947 proven. 15 refuted. 0 times theorem prover too weak. 16979 trivial. 0 not checked. [2021-11-21 05:41:08,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:08,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 311 states and 459 transitions. [2021-11-21 05:41:08,167 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 459 transitions. [2021-11-21 05:41:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-21 05:41:08,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:08,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 27167 backedges. 11472 proven. 97 refuted. 0 times theorem prover too weak. 15598 trivial. 0 not checked. [2021-11-21 05:41:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 315 states and 466 transitions. [2021-11-21 05:41:11,528 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 466 transitions. [2021-11-21 05:41:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-21 05:41:11,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:11,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 27904 backedges. 9646 proven. 3 refuted. 0 times theorem prover too weak. 18255 trivial. 0 not checked. [2021-11-21 05:41:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 316 states and 467 transitions. [2021-11-21 05:41:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 467 transitions. [2021-11-21 05:41:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-21 05:41:12,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:12,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 28134 backedges. 9873 proven. 6 refuted. 0 times theorem prover too weak. 18255 trivial. 0 not checked. [2021-11-21 05:41:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 317 states and 468 transitions. [2021-11-21 05:41:13,214 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 468 transitions. [2021-11-21 05:41:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-21 05:41:13,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:13,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 28365 backedges. 10100 proven. 10 refuted. 0 times theorem prover too weak. 18255 trivial. 0 not checked. [2021-11-21 05:41:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 318 states and 469 transitions. [2021-11-21 05:41:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 469 transitions. [2021-11-21 05:41:14,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-21 05:41:14,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:14,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:14,133 INFO L134 CoverageAnalysis]: Checked inductivity of 28597 backedges. 10327 proven. 15 refuted. 0 times theorem prover too weak. 18255 trivial. 0 not checked. [2021-11-21 05:41:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 319 states and 469 transitions. [2021-11-21 05:41:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 469 transitions. [2021-11-21 05:41:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-21 05:41:15,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:15,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 28830 backedges. 12991 proven. 220 refuted. 0 times theorem prover too weak. 15619 trivial. 0 not checked. [2021-11-21 05:41:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 323 states and 476 transitions. [2021-11-21 05:41:18,261 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 476 transitions. [2021-11-21 05:41:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-21 05:41:18,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:18,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:18,323 INFO L134 CoverageAnalysis]: Checked inductivity of 29589 backedges. 10005 proven. 3 refuted. 0 times theorem prover too weak. 19581 trivial. 0 not checked. [2021-11-21 05:41:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:19,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 324 states and 477 transitions. [2021-11-21 05:41:19,312 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 477 transitions. [2021-11-21 05:41:19,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-21 05:41:19,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:19,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 29826 backedges. 10239 proven. 6 refuted. 0 times theorem prover too weak. 19581 trivial. 0 not checked. [2021-11-21 05:41:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 325 states and 478 transitions. [2021-11-21 05:41:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 478 transitions. [2021-11-21 05:41:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-21 05:41:20,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:20,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 30064 backedges. 10473 proven. 10 refuted. 0 times theorem prover too weak. 19581 trivial. 0 not checked. [2021-11-21 05:41:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 326 states and 479 transitions. [2021-11-21 05:41:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 479 transitions. [2021-11-21 05:41:21,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-21 05:41:21,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:21,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 30303 backedges. 10707 proven. 15 refuted. 0 times theorem prover too weak. 19581 trivial. 0 not checked. [2021-11-21 05:41:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:22,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 327 states and 479 transitions. [2021-11-21 05:41:22,248 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 479 transitions. [2021-11-21 05:41:22,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-21 05:41:22,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:22,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30543 backedges. 14510 proven. 393 refuted. 0 times theorem prover too weak. 15640 trivial. 0 not checked. [2021-11-21 05:41:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 331 states and 485 transitions. [2021-11-21 05:41:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 485 transitions. [2021-11-21 05:41:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-21 05:41:25,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:25,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 31324 backedges. 10364 proven. 3 refuted. 0 times theorem prover too weak. 20957 trivial. 0 not checked. [2021-11-21 05:41:26,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 332 states and 486 transitions. [2021-11-21 05:41:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 486 transitions. [2021-11-21 05:41:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-21 05:41:26,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:26,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 31568 backedges. 10605 proven. 6 refuted. 0 times theorem prover too weak. 20957 trivial. 0 not checked. [2021-11-21 05:41:27,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:27,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 333 states and 487 transitions. [2021-11-21 05:41:27,702 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 487 transitions. [2021-11-21 05:41:27,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-21 05:41:27,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:27,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 31813 backedges. 10846 proven. 10 refuted. 0 times theorem prover too weak. 20957 trivial. 0 not checked. [2021-11-21 05:41:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 334 states and 488 transitions. [2021-11-21 05:41:28,752 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 488 transitions. [2021-11-21 05:41:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-21 05:41:28,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:28,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 32059 backedges. 11087 proven. 15 refuted. 0 times theorem prover too weak. 20957 trivial. 0 not checked. [2021-11-21 05:41:30,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 335 states and 488 transitions. [2021-11-21 05:41:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 488 transitions. [2021-11-21 05:41:30,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-21 05:41:30,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:30,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 32306 backedges. 10071 proven. 3 refuted. 0 times theorem prover too weak. 22232 trivial. 0 not checked. [2021-11-21 05:41:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 336 states and 489 transitions. [2021-11-21 05:41:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 489 transitions. [2021-11-21 05:41:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-21 05:41:30,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:30,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 32554 backedges. 10316 proven. 6 refuted. 0 times theorem prover too weak. 22232 trivial. 0 not checked. [2021-11-21 05:41:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 337 states and 490 transitions. [2021-11-21 05:41:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 490 transitions. [2021-11-21 05:41:31,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-21 05:41:31,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:31,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 32803 backedges. 10561 proven. 10 refuted. 0 times theorem prover too weak. 22232 trivial. 0 not checked. [2021-11-21 05:41:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:32,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 338 states and 491 transitions. [2021-11-21 05:41:32,774 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 491 transitions. [2021-11-21 05:41:32,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-21 05:41:32,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:32,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 33053 backedges. 10806 proven. 15 refuted. 0 times theorem prover too weak. 22232 trivial. 0 not checked. [2021-11-21 05:41:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 339 states and 491 transitions. [2021-11-21 05:41:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 491 transitions. [2021-11-21 05:41:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-21 05:41:33,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:33,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:33,877 INFO L134 CoverageAnalysis]: Checked inductivity of 33304 backedges. 9724 proven. 3 refuted. 0 times theorem prover too weak. 23577 trivial. 0 not checked. [2021-11-21 05:41:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 340 states and 492 transitions. [2021-11-21 05:41:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 492 transitions. [2021-11-21 05:41:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-21 05:41:35,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:35,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 33556 backedges. 9973 proven. 6 refuted. 0 times theorem prover too weak. 23577 trivial. 0 not checked. [2021-11-21 05:41:35,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 341 states and 493 transitions. [2021-11-21 05:41:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 493 transitions. [2021-11-21 05:41:35,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-21 05:41:35,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:35,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 33809 backedges. 10222 proven. 10 refuted. 0 times theorem prover too weak. 23577 trivial. 0 not checked. [2021-11-21 05:41:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 342 states and 494 transitions. [2021-11-21 05:41:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 494 transitions. [2021-11-21 05:41:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-21 05:41:36,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:36,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 34063 backedges. 10471 proven. 15 refuted. 0 times theorem prover too weak. 23577 trivial. 0 not checked. [2021-11-21 05:41:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:37,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 343 states and 494 transitions. [2021-11-21 05:41:37,993 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 494 transitions. [2021-11-21 05:41:37,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-21 05:41:37,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:37,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 34318 backedges. 10876 proven. 24 refuted. 0 times theorem prover too weak. 23418 trivial. 0 not checked. [2021-11-21 05:41:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 347 states and 501 transitions. [2021-11-21 05:41:41,483 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 501 transitions. [2021-11-21 05:41:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-21 05:41:41,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:41,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 35145 backedges. 10038 proven. 3 refuted. 0 times theorem prover too weak. 25104 trivial. 0 not checked. [2021-11-21 05:41:42,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 348 states and 502 transitions. [2021-11-21 05:41:42,403 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 502 transitions. [2021-11-21 05:41:42,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-21 05:41:42,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:42,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 35404 backedges. 10294 proven. 6 refuted. 0 times theorem prover too weak. 25104 trivial. 0 not checked. [2021-11-21 05:41:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 349 states and 503 transitions. [2021-11-21 05:41:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 503 transitions. [2021-11-21 05:41:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-21 05:41:43,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:43,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 35664 backedges. 10550 proven. 10 refuted. 0 times theorem prover too weak. 25104 trivial. 0 not checked. [2021-11-21 05:41:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 350 states and 504 transitions. [2021-11-21 05:41:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 504 transitions. [2021-11-21 05:41:44,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-21 05:41:44,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:44,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 35925 backedges. 10806 proven. 15 refuted. 0 times theorem prover too weak. 25104 trivial. 0 not checked. [2021-11-21 05:41:45,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 351 states and 504 transitions. [2021-11-21 05:41:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 504 transitions. [2021-11-21 05:41:45,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-21 05:41:45,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:45,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 36187 backedges. 12651 proven. 97 refuted. 0 times theorem prover too weak. 23439 trivial. 0 not checked. [2021-11-21 05:41:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 355 states and 511 transitions. [2021-11-21 05:41:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 511 transitions. [2021-11-21 05:41:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-21 05:41:49,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:49,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 37036 backedges. 10352 proven. 3 refuted. 0 times theorem prover too weak. 26681 trivial. 0 not checked. [2021-11-21 05:41:50,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:50,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 356 states and 512 transitions. [2021-11-21 05:41:50,213 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 512 transitions. [2021-11-21 05:41:50,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-21 05:41:50,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:50,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 37302 backedges. 10615 proven. 6 refuted. 0 times theorem prover too weak. 26681 trivial. 0 not checked. [2021-11-21 05:41:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 357 states and 513 transitions. [2021-11-21 05:41:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 513 transitions. [2021-11-21 05:41:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-21 05:41:51,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:51,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 37569 backedges. 10878 proven. 10 refuted. 0 times theorem prover too weak. 26681 trivial. 0 not checked. [2021-11-21 05:41:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:52,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 358 states and 514 transitions. [2021-11-21 05:41:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 514 transitions. [2021-11-21 05:41:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-21 05:41:52,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:52,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 37837 backedges. 11141 proven. 15 refuted. 0 times theorem prover too weak. 26681 trivial. 0 not checked. [2021-11-21 05:41:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 359 states and 514 transitions. [2021-11-21 05:41:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 514 transitions. [2021-11-21 05:41:53,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-21 05:41:53,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:53,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 38106 backedges. 14426 proven. 220 refuted. 0 times theorem prover too weak. 23460 trivial. 0 not checked. [2021-11-21 05:41:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 363 states and 521 transitions. [2021-11-21 05:41:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 521 transitions. [2021-11-21 05:41:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-21 05:41:57,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:57,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:57,167 INFO L134 CoverageAnalysis]: Checked inductivity of 38977 backedges. 10666 proven. 3 refuted. 0 times theorem prover too weak. 28308 trivial. 0 not checked. [2021-11-21 05:41:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:58,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 364 states and 522 transitions. [2021-11-21 05:41:58,062 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 522 transitions. [2021-11-21 05:41:58,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-21 05:41:58,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:58,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 39250 backedges. 10936 proven. 6 refuted. 0 times theorem prover too weak. 28308 trivial. 0 not checked. [2021-11-21 05:41:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 365 states and 523 transitions. [2021-11-21 05:41:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 523 transitions. [2021-11-21 05:41:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-21 05:41:59,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:59,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 39524 backedges. 11206 proven. 10 refuted. 0 times theorem prover too weak. 28308 trivial. 0 not checked. [2021-11-21 05:42:00,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:00,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 366 states and 524 transitions. [2021-11-21 05:42:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 524 transitions. [2021-11-21 05:42:00,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-11-21 05:42:00,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:00,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 39799 backedges. 11476 proven. 15 refuted. 0 times theorem prover too weak. 28308 trivial. 0 not checked. [2021-11-21 05:42:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 367 states and 524 transitions. [2021-11-21 05:42:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 524 transitions. [2021-11-21 05:42:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-11-21 05:42:01,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:01,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 40075 backedges. 16201 proven. 393 refuted. 0 times theorem prover too weak. 23481 trivial. 0 not checked. [2021-11-21 05:42:05,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 371 states and 530 transitions. [2021-11-21 05:42:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 530 transitions. [2021-11-21 05:42:05,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-21 05:42:05,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:05,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 40968 backedges. 10980 proven. 3 refuted. 0 times theorem prover too weak. 29985 trivial. 0 not checked. [2021-11-21 05:42:06,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:06,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 372 states and 531 transitions. [2021-11-21 05:42:06,404 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 531 transitions. [2021-11-21 05:42:06,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-21 05:42:06,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:06,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 41248 backedges. 11257 proven. 6 refuted. 0 times theorem prover too weak. 29985 trivial. 0 not checked. [2021-11-21 05:42:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 373 states and 532 transitions. [2021-11-21 05:42:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 532 transitions. [2021-11-21 05:42:07,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-21 05:42:07,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:07,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 41529 backedges. 11534 proven. 10 refuted. 0 times theorem prover too weak. 29985 trivial. 0 not checked. [2021-11-21 05:42:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 374 states and 533 transitions. [2021-11-21 05:42:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 533 transitions. [2021-11-21 05:42:08,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-11-21 05:42:08,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:08,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:08,738 INFO L134 CoverageAnalysis]: Checked inductivity of 41811 backedges. 11811 proven. 15 refuted. 0 times theorem prover too weak. 29985 trivial. 0 not checked. [2021-11-21 05:42:09,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:09,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 375 states and 533 transitions. [2021-11-21 05:42:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 533 transitions. [2021-11-21 05:42:09,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-21 05:42:09,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:09,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 42094 backedges. 10509 proven. 3 refuted. 0 times theorem prover too weak. 31582 trivial. 0 not checked. [2021-11-21 05:42:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 376 states and 534 transitions. [2021-11-21 05:42:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 534 transitions. [2021-11-21 05:42:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-21 05:42:10,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:10,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 42378 backedges. 10790 proven. 6 refuted. 0 times theorem prover too weak. 31582 trivial. 0 not checked. [2021-11-21 05:42:11,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 377 states and 535 transitions. [2021-11-21 05:42:11,974 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 535 transitions. [2021-11-21 05:42:11,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-21 05:42:11,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:11,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 42663 backedges. 11071 proven. 10 refuted. 0 times theorem prover too weak. 31582 trivial. 0 not checked. [2021-11-21 05:42:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 378 states and 536 transitions. [2021-11-21 05:42:13,071 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 536 transitions. [2021-11-21 05:42:13,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-11-21 05:42:13,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:13,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:13,180 INFO L134 CoverageAnalysis]: Checked inductivity of 42949 backedges. 11352 proven. 15 refuted. 0 times theorem prover too weak. 31582 trivial. 0 not checked. [2021-11-21 05:42:14,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 379 states and 536 transitions. [2021-11-21 05:42:14,159 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 536 transitions. [2021-11-21 05:42:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-11-21 05:42:14,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:14,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 43236 backedges. 6983 proven. 3300 refuted. 0 times theorem prover too weak. 32953 trivial. 0 not checked. [2021-11-21 05:42:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 401 states and 579 transitions. [2021-11-21 05:42:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 579 transitions. [2021-11-21 05:42:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-21 05:42:35,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:35,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:35,749 INFO L134 CoverageAnalysis]: Checked inductivity of 47190 backedges. 13320 proven. 3 refuted. 0 times theorem prover too weak. 33867 trivial. 0 not checked. [2021-11-21 05:42:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 402 states and 580 transitions. [2021-11-21 05:42:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 580 transitions. [2021-11-21 05:42:36,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2021-11-21 05:42:36,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:36,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:36,884 INFO L134 CoverageAnalysis]: Checked inductivity of 47490 backedges. 13617 proven. 6 refuted. 0 times theorem prover too weak. 33867 trivial. 0 not checked. [2021-11-21 05:42:37,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 403 states and 581 transitions. [2021-11-21 05:42:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 581 transitions. [2021-11-21 05:42:37,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-11-21 05:42:37,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:37,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 47791 backedges. 13914 proven. 10 refuted. 0 times theorem prover too weak. 33867 trivial. 0 not checked. [2021-11-21 05:42:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 404 states and 582 transitions. [2021-11-21 05:42:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 582 transitions. [2021-11-21 05:42:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-11-21 05:42:38,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:38,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 48093 backedges. 14211 proven. 15 refuted. 0 times theorem prover too weak. 33867 trivial. 0 not checked. [2021-11-21 05:42:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:40,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 405 states and 582 transitions. [2021-11-21 05:42:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 582 transitions. [2021-11-21 05:42:40,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-11-21 05:42:40,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:40,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 48396 backedges. 14695 proven. 24 refuted. 0 times theorem prover too weak. 33677 trivial. 0 not checked. [2021-11-21 05:42:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 409 states and 589 transitions. [2021-11-21 05:42:44,097 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 589 transitions. [2021-11-21 05:42:44,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-11-21 05:42:44,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:44,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 49377 backedges. 13679 proven. 3 refuted. 0 times theorem prover too weak. 35695 trivial. 0 not checked. [2021-11-21 05:42:45,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 410 states and 590 transitions. [2021-11-21 05:42:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 590 transitions. [2021-11-21 05:42:45,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-21 05:42:45,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:45,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:45,285 INFO L134 CoverageAnalysis]: Checked inductivity of 49684 backedges. 13983 proven. 6 refuted. 0 times theorem prover too weak. 35695 trivial. 0 not checked. [2021-11-21 05:42:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 411 states and 591 transitions. [2021-11-21 05:42:46,428 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 591 transitions. [2021-11-21 05:42:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-11-21 05:42:46,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:46,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 49992 backedges. 14287 proven. 10 refuted. 0 times theorem prover too weak. 35695 trivial. 0 not checked. [2021-11-21 05:42:47,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 412 states and 592 transitions. [2021-11-21 05:42:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 592 transitions. [2021-11-21 05:42:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-11-21 05:42:47,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:47,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 50301 backedges. 14591 proven. 15 refuted. 0 times theorem prover too weak. 35695 trivial. 0 not checked. [2021-11-21 05:42:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 413 states and 592 transitions. [2021-11-21 05:42:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 592 transitions. [2021-11-21 05:42:48,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-11-21 05:42:48,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:48,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 50611 backedges. 16816 proven. 97 refuted. 0 times theorem prover too weak. 33698 trivial. 0 not checked. [2021-11-21 05:42:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:52,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 417 states and 599 transitions. [2021-11-21 05:42:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 599 transitions. [2021-11-21 05:42:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-11-21 05:42:52,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:52,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 51614 backedges. 14038 proven. 3 refuted. 0 times theorem prover too weak. 37573 trivial. 0 not checked. [2021-11-21 05:42:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 418 states and 600 transitions. [2021-11-21 05:42:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 600 transitions. [2021-11-21 05:42:54,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2021-11-21 05:42:54,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:54,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 51928 backedges. 14349 proven. 6 refuted. 0 times theorem prover too weak. 37573 trivial. 0 not checked. [2021-11-21 05:42:55,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:55,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 419 states and 601 transitions. [2021-11-21 05:42:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 601 transitions. [2021-11-21 05:42:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-11-21 05:42:55,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:55,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 52243 backedges. 14660 proven. 10 refuted. 0 times theorem prover too weak. 37573 trivial. 0 not checked. [2021-11-21 05:42:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 420 states and 602 transitions. [2021-11-21 05:42:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 602 transitions. [2021-11-21 05:42:56,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-11-21 05:42:56,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:56,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 52559 backedges. 14971 proven. 15 refuted. 0 times theorem prover too weak. 37573 trivial. 0 not checked. [2021-11-21 05:42:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 421 states and 602 transitions. [2021-11-21 05:42:57,566 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 602 transitions. [2021-11-21 05:42:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-11-21 05:42:57,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:57,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 52876 backedges. 18937 proven. 220 refuted. 0 times theorem prover too weak. 33719 trivial. 0 not checked. [2021-11-21 05:43:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 425 states and 609 transitions. [2021-11-21 05:43:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 609 transitions. [2021-11-21 05:43:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2021-11-21 05:43:01,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:01,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 53901 backedges. 14397 proven. 3 refuted. 0 times theorem prover too weak. 39501 trivial. 0 not checked. [2021-11-21 05:43:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 426 states and 610 transitions. [2021-11-21 05:43:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 610 transitions. [2021-11-21 05:43:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-11-21 05:43:03,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:03,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 54222 backedges. 14715 proven. 6 refuted. 0 times theorem prover too weak. 39501 trivial. 0 not checked. [2021-11-21 05:43:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 427 states and 611 transitions. [2021-11-21 05:43:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 611 transitions. [2021-11-21 05:43:04,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-11-21 05:43:04,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:04,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 54544 backedges. 15033 proven. 10 refuted. 0 times theorem prover too weak. 39501 trivial. 0 not checked. [2021-11-21 05:43:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 428 states and 612 transitions. [2021-11-21 05:43:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 612 transitions. [2021-11-21 05:43:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-21 05:43:05,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:05,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 54867 backedges. 15351 proven. 15 refuted. 0 times theorem prover too weak. 39501 trivial. 0 not checked. [2021-11-21 05:43:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 429 states and 612 transitions. [2021-11-21 05:43:06,636 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 612 transitions. [2021-11-21 05:43:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2021-11-21 05:43:06,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:06,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 55191 backedges. 21058 proven. 393 refuted. 0 times theorem prover too weak. 33740 trivial. 0 not checked. [2021-11-21 05:43:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:11,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 433 states and 618 transitions. [2021-11-21 05:43:11,263 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 618 transitions. [2021-11-21 05:43:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-21 05:43:11,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:11,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 56238 backedges. 14756 proven. 3 refuted. 0 times theorem prover too weak. 41479 trivial. 0 not checked. [2021-11-21 05:43:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 434 states and 619 transitions. [2021-11-21 05:43:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 619 transitions. [2021-11-21 05:43:12,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-11-21 05:43:12,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:12,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 56566 backedges. 15081 proven. 6 refuted. 0 times theorem prover too weak. 41479 trivial. 0 not checked. [2021-11-21 05:43:13,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 435 states and 620 transitions. [2021-11-21 05:43:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 620 transitions. [2021-11-21 05:43:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2021-11-21 05:43:13,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:13,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 56895 backedges. 15406 proven. 10 refuted. 0 times theorem prover too weak. 41479 trivial. 0 not checked. [2021-11-21 05:43:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 436 states and 621 transitions. [2021-11-21 05:43:15,071 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 621 transitions. [2021-11-21 05:43:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2021-11-21 05:43:15,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:15,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 57225 backedges. 15731 proven. 15 refuted. 0 times theorem prover too weak. 41479 trivial. 0 not checked. [2021-11-21 05:43:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 437 states and 621 transitions. [2021-11-21 05:43:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 621 transitions. [2021-11-21 05:43:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-21 05:43:16,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:16,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:16,376 INFO L134 CoverageAnalysis]: Checked inductivity of 57556 backedges. 14197 proven. 3 refuted. 0 times theorem prover too weak. 43356 trivial. 0 not checked. [2021-11-21 05:43:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 438 states and 622 transitions. [2021-11-21 05:43:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 622 transitions. [2021-11-21 05:43:17,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-11-21 05:43:17,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:17,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 57888 backedges. 14526 proven. 6 refuted. 0 times theorem prover too weak. 43356 trivial. 0 not checked. [2021-11-21 05:43:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 439 states and 623 transitions. [2021-11-21 05:43:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 623 transitions. [2021-11-21 05:43:18,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2021-11-21 05:43:18,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:18,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 58221 backedges. 14855 proven. 10 refuted. 0 times theorem prover too weak. 43356 trivial. 0 not checked. [2021-11-21 05:43:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 440 states and 624 transitions. [2021-11-21 05:43:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 624 transitions. [2021-11-21 05:43:20,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-21 05:43:20,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:20,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 58555 backedges. 15184 proven. 15 refuted. 0 times theorem prover too weak. 43356 trivial. 0 not checked. [2021-11-21 05:43:21,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 441 states and 624 transitions. [2021-11-21 05:43:21,422 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 624 transitions. [2021-11-21 05:43:21,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-11-21 05:43:21,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:21,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 58890 backedges. 24375 proven. 276 refuted. 0 times theorem prover too weak. 34239 trivial. 0 not checked. [2021-11-21 05:43:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 451 states and 643 transitions. [2021-11-21 05:43:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 643 transitions. [2021-11-21 05:43:32,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-11-21 05:43:32,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:32,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 61153 backedges. 15508 proven. 3 refuted. 0 times theorem prover too weak. 45642 trivial. 0 not checked. [2021-11-21 05:43:33,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 452 states and 644 transitions. [2021-11-21 05:43:33,814 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 644 transitions. [2021-11-21 05:43:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-11-21 05:43:33,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:33,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 61495 backedges. 15847 proven. 6 refuted. 0 times theorem prover too weak. 45642 trivial. 0 not checked. [2021-11-21 05:43:35,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:35,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 453 states and 645 transitions. [2021-11-21 05:43:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 645 transitions. [2021-11-21 05:43:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-11-21 05:43:35,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:35,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 61838 backedges. 16186 proven. 10 refuted. 0 times theorem prover too weak. 45642 trivial. 0 not checked. [2021-11-21 05:43:36,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:36,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 454 states and 646 transitions. [2021-11-21 05:43:36,454 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 646 transitions. [2021-11-21 05:43:36,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2021-11-21 05:43:36,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:36,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 62182 backedges. 16525 proven. 15 refuted. 0 times theorem prover too weak. 45642 trivial. 0 not checked. [2021-11-21 05:43:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 455 states and 646 transitions. [2021-11-21 05:43:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 646 transitions. [2021-11-21 05:43:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2021-11-21 05:43:37,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:37,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 62527 backedges. 17058 proven. 24 refuted. 0 times theorem prover too weak. 45445 trivial. 0 not checked. [2021-11-21 05:43:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 459 states and 653 transitions. [2021-11-21 05:43:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 653 transitions. [2021-11-21 05:43:42,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-11-21 05:43:42,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:42,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 63641 backedges. 15867 proven. 3 refuted. 0 times theorem prover too weak. 47771 trivial. 0 not checked. [2021-11-21 05:43:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 460 states and 654 transitions. [2021-11-21 05:43:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 654 transitions. [2021-11-21 05:43:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-11-21 05:43:43,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:43,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 63990 backedges. 16213 proven. 6 refuted. 0 times theorem prover too weak. 47771 trivial. 0 not checked. [2021-11-21 05:43:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 461 states and 655 transitions. [2021-11-21 05:43:45,204 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 655 transitions. [2021-11-21 05:43:45,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-21 05:43:45,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:45,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:45,462 INFO L134 CoverageAnalysis]: Checked inductivity of 64340 backedges. 16559 proven. 10 refuted. 0 times theorem prover too weak. 47771 trivial. 0 not checked. [2021-11-21 05:43:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 462 states and 656 transitions. [2021-11-21 05:43:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 656 transitions. [2021-11-21 05:43:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-11-21 05:43:46,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:46,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 64691 backedges. 16905 proven. 15 refuted. 0 times theorem prover too weak. 47771 trivial. 0 not checked. [2021-11-21 05:43:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 463 states and 656 transitions. [2021-11-21 05:43:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 656 transitions. [2021-11-21 05:43:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2021-11-21 05:43:48,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:48,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 65043 backedges. 19480 proven. 97 refuted. 0 times theorem prover too weak. 45466 trivial. 0 not checked. [2021-11-21 05:43:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 467 states and 663 transitions. [2021-11-21 05:43:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 663 transitions. [2021-11-21 05:43:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-11-21 05:43:53,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:53,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:53,179 INFO L134 CoverageAnalysis]: Checked inductivity of 66179 backedges. 16226 proven. 3 refuted. 0 times theorem prover too weak. 49950 trivial. 0 not checked. [2021-11-21 05:43:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 468 states and 664 transitions. [2021-11-21 05:43:54,496 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 664 transitions. [2021-11-21 05:43:54,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-11-21 05:43:54,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:54,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 66535 backedges. 16579 proven. 6 refuted. 0 times theorem prover too weak. 49950 trivial. 0 not checked. [2021-11-21 05:43:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 469 states and 665 transitions. [2021-11-21 05:43:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 665 transitions. [2021-11-21 05:43:55,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2021-11-21 05:43:55,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:55,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:55,902 INFO L134 CoverageAnalysis]: Checked inductivity of 66892 backedges. 16932 proven. 10 refuted. 0 times theorem prover too weak. 49950 trivial. 0 not checked. [2021-11-21 05:43:57,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 470 states and 666 transitions. [2021-11-21 05:43:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 666 transitions. [2021-11-21 05:43:57,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-21 05:43:57,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:57,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 67250 backedges. 17285 proven. 15 refuted. 0 times theorem prover too weak. 49950 trivial. 0 not checked. [2021-11-21 05:43:58,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 471 states and 666 transitions. [2021-11-21 05:43:58,715 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 666 transitions. [2021-11-21 05:43:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-11-21 05:43:58,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:58,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 67609 backedges. 21902 proven. 220 refuted. 0 times theorem prover too weak. 45487 trivial. 0 not checked. [2021-11-21 05:44:03,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:03,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 475 states and 673 transitions. [2021-11-21 05:44:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 673 transitions. [2021-11-21 05:44:03,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2021-11-21 05:44:03,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:03,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 68767 backedges. 16585 proven. 3 refuted. 0 times theorem prover too weak. 52179 trivial. 0 not checked. [2021-11-21 05:44:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 476 states and 674 transitions. [2021-11-21 05:44:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 674 transitions. [2021-11-21 05:44:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-11-21 05:44:05,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:05,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 69130 backedges. 16945 proven. 6 refuted. 0 times theorem prover too weak. 52179 trivial. 0 not checked. [2021-11-21 05:44:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:06,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 477 states and 675 transitions. [2021-11-21 05:44:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 675 transitions. [2021-11-21 05:44:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-11-21 05:44:06,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:06,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 69494 backedges. 17305 proven. 10 refuted. 0 times theorem prover too weak. 52179 trivial. 0 not checked. [2021-11-21 05:44:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:08,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 478 states and 676 transitions. [2021-11-21 05:44:08,039 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 676 transitions. [2021-11-21 05:44:08,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-11-21 05:44:08,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:08,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 69859 backedges. 17665 proven. 15 refuted. 0 times theorem prover too weak. 52179 trivial. 0 not checked. [2021-11-21 05:44:09,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:09,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 479 states and 676 transitions. [2021-11-21 05:44:09,602 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 676 transitions. [2021-11-21 05:44:09,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-21 05:44:09,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:09,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 70225 backedges. 24324 proven. 393 refuted. 0 times theorem prover too weak. 45508 trivial. 0 not checked. [2021-11-21 05:44:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 483 states and 682 transitions. [2021-11-21 05:44:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 682 transitions. [2021-11-21 05:44:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-11-21 05:44:14,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:14,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 71405 backedges. 16944 proven. 3 refuted. 0 times theorem prover too weak. 54458 trivial. 0 not checked. [2021-11-21 05:44:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:16,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 484 states and 683 transitions. [2021-11-21 05:44:16,332 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 683 transitions. [2021-11-21 05:44:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-11-21 05:44:16,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:16,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 71775 backedges. 17311 proven. 6 refuted. 0 times theorem prover too weak. 54458 trivial. 0 not checked. [2021-11-21 05:44:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 485 states and 684 transitions. [2021-11-21 05:44:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 684 transitions. [2021-11-21 05:44:17,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-11-21 05:44:17,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:17,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:18,000 INFO L134 CoverageAnalysis]: Checked inductivity of 72146 backedges. 17678 proven. 10 refuted. 0 times theorem prover too weak. 54458 trivial. 0 not checked. [2021-11-21 05:44:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 486 states and 685 transitions. [2021-11-21 05:44:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 685 transitions. [2021-11-21 05:44:19,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-11-21 05:44:19,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:19,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:19,593 INFO L134 CoverageAnalysis]: Checked inductivity of 72518 backedges. 18045 proven. 15 refuted. 0 times theorem prover too weak. 54458 trivial. 0 not checked. [2021-11-21 05:44:20,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:20,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 487 states and 685 transitions. [2021-11-21 05:44:20,894 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 685 transitions. [2021-11-21 05:44:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-11-21 05:44:20,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:20,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 72891 backedges. 16252 proven. 3 refuted. 0 times theorem prover too weak. 56636 trivial. 0 not checked. [2021-11-21 05:44:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:22,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 488 states and 686 transitions. [2021-11-21 05:44:22,432 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 686 transitions. [2021-11-21 05:44:22,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-11-21 05:44:22,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:22,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 73265 backedges. 16623 proven. 6 refuted. 0 times theorem prover too weak. 56636 trivial. 0 not checked. [2021-11-21 05:44:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:24,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 489 states and 687 transitions. [2021-11-21 05:44:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 687 transitions. [2021-11-21 05:44:24,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-11-21 05:44:24,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:24,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 73640 backedges. 16994 proven. 10 refuted. 0 times theorem prover too weak. 56636 trivial. 0 not checked. [2021-11-21 05:44:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:25,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 490 states and 688 transitions. [2021-11-21 05:44:25,445 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 688 transitions. [2021-11-21 05:44:25,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-11-21 05:44:25,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:25,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 74016 backedges. 17365 proven. 15 refuted. 0 times theorem prover too weak. 56636 trivial. 0 not checked. [2021-11-21 05:44:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 491 states and 688 transitions. [2021-11-21 05:44:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 688 transitions. [2021-11-21 05:44:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-11-21 05:44:26,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:26,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 74393 backedges. 36907 proven. 2365 refuted. 0 times theorem prover too weak. 35121 trivial. 0 not checked. [2021-11-21 05:44:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:39,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 501 states and 707 transitions. [2021-11-21 05:44:39,870 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 707 transitions. [2021-11-21 05:44:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-11-21 05:44:39,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:39,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:40,030 INFO L134 CoverageAnalysis]: Checked inductivity of 76930 backedges. 17696 proven. 3 refuted. 0 times theorem prover too weak. 59231 trivial. 0 not checked. [2021-11-21 05:44:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 502 states and 708 transitions. [2021-11-21 05:44:41,471 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 708 transitions. [2021-11-21 05:44:41,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-11-21 05:44:41,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:41,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 77314 backedges. 18077 proven. 6 refuted. 0 times theorem prover too weak. 59231 trivial. 0 not checked. [2021-11-21 05:44:42,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:42,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 503 states and 709 transitions. [2021-11-21 05:44:42,836 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 709 transitions. [2021-11-21 05:44:42,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-21 05:44:42,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:42,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 77699 backedges. 18458 proven. 10 refuted. 0 times theorem prover too weak. 59231 trivial. 0 not checked. [2021-11-21 05:44:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 504 states and 710 transitions. [2021-11-21 05:44:44,415 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 710 transitions. [2021-11-21 05:44:44,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2021-11-21 05:44:44,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:44,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 78085 backedges. 18839 proven. 15 refuted. 0 times theorem prover too weak. 59231 trivial. 0 not checked. [2021-11-21 05:44:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 505 states and 710 transitions. [2021-11-21 05:44:46,000 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 710 transitions. [2021-11-21 05:44:46,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-11-21 05:44:46,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:46,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 78472 backedges. 19421 proven. 24 refuted. 0 times theorem prover too weak. 59027 trivial. 0 not checked. [2021-11-21 05:44:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 509 states and 717 transitions. [2021-11-21 05:44:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 717 transitions. [2021-11-21 05:44:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-11-21 05:44:51,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:51,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 79719 backedges. 18055 proven. 3 refuted. 0 times theorem prover too weak. 61661 trivial. 0 not checked. [2021-11-21 05:44:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 510 states and 718 transitions. [2021-11-21 05:44:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 718 transitions. [2021-11-21 05:44:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2021-11-21 05:44:52,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:52,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:53,231 INFO L134 CoverageAnalysis]: Checked inductivity of 80110 backedges. 18443 proven. 6 refuted. 0 times theorem prover too weak. 61661 trivial. 0 not checked. [2021-11-21 05:44:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 511 states and 719 transitions. [2021-11-21 05:44:54,528 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 719 transitions. [2021-11-21 05:44:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2021-11-21 05:44:54,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:54,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 80502 backedges. 18831 proven. 10 refuted. 0 times theorem prover too weak. 61661 trivial. 0 not checked. [2021-11-21 05:44:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 512 states and 720 transitions. [2021-11-21 05:44:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 720 transitions. [2021-11-21 05:44:56,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-11-21 05:44:56,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:56,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 80895 backedges. 19219 proven. 15 refuted. 0 times theorem prover too weak. 61661 trivial. 0 not checked. [2021-11-21 05:44:57,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 513 states and 720 transitions. [2021-11-21 05:44:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 720 transitions. [2021-11-21 05:44:57,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-11-21 05:44:57,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:57,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 81289 backedges. 22144 proven. 97 refuted. 0 times theorem prover too weak. 59048 trivial. 0 not checked. [2021-11-21 05:45:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:03,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 517 states and 727 transitions. [2021-11-21 05:45:03,212 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 727 transitions. [2021-11-21 05:45:03,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-11-21 05:45:03,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:03,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 82558 backedges. 18414 proven. 3 refuted. 0 times theorem prover too weak. 64141 trivial. 0 not checked. [2021-11-21 05:45:05,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 518 states and 728 transitions. [2021-11-21 05:45:05,255 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 728 transitions. [2021-11-21 05:45:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-11-21 05:45:05,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:05,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 82956 backedges. 18809 proven. 6 refuted. 0 times theorem prover too weak. 64141 trivial. 0 not checked. [2021-11-21 05:45:07,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 519 states and 729 transitions. [2021-11-21 05:45:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 729 transitions. [2021-11-21 05:45:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2021-11-21 05:45:07,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:07,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 83355 backedges. 19204 proven. 10 refuted. 0 times theorem prover too weak. 64141 trivial. 0 not checked. [2021-11-21 05:45:08,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:08,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 520 states and 730 transitions. [2021-11-21 05:45:08,539 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 730 transitions. [2021-11-21 05:45:08,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2021-11-21 05:45:08,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:08,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 83755 backedges. 19599 proven. 15 refuted. 0 times theorem prover too weak. 64141 trivial. 0 not checked. [2021-11-21 05:45:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 521 states and 730 transitions. [2021-11-21 05:45:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 730 transitions. [2021-11-21 05:45:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2021-11-21 05:45:10,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:10,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 84156 backedges. 24867 proven. 220 refuted. 0 times theorem prover too weak. 59069 trivial. 0 not checked. [2021-11-21 05:45:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 525 states and 737 transitions. [2021-11-21 05:45:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 737 transitions. [2021-11-21 05:45:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-11-21 05:45:16,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:16,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 85447 backedges. 18773 proven. 3 refuted. 0 times theorem prover too weak. 66671 trivial. 0 not checked. [2021-11-21 05:45:17,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 526 states and 738 transitions. [2021-11-21 05:45:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 738 transitions. [2021-11-21 05:45:17,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2021-11-21 05:45:17,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:17,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 85852 backedges. 19175 proven. 6 refuted. 0 times theorem prover too weak. 66671 trivial. 0 not checked. [2021-11-21 05:45:19,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 527 states and 739 transitions. [2021-11-21 05:45:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 739 transitions. [2021-11-21 05:45:19,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-11-21 05:45:19,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:19,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:19,673 INFO L134 CoverageAnalysis]: Checked inductivity of 86258 backedges. 19577 proven. 10 refuted. 0 times theorem prover too weak. 66671 trivial. 0 not checked. [2021-11-21 05:45:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:21,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 528 states and 740 transitions. [2021-11-21 05:45:21,060 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 740 transitions. [2021-11-21 05:45:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2021-11-21 05:45:21,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:21,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:21,211 INFO L134 CoverageAnalysis]: Checked inductivity of 86665 backedges. 19979 proven. 15 refuted. 0 times theorem prover too weak. 66671 trivial. 0 not checked. [2021-11-21 05:45:22,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 529 states and 740 transitions. [2021-11-21 05:45:22,840 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 740 transitions. [2021-11-21 05:45:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2021-11-21 05:45:22,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:22,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 87073 backedges. 27590 proven. 393 refuted. 0 times theorem prover too weak. 59090 trivial. 0 not checked. [2021-11-21 05:45:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 533 states and 746 transitions. [2021-11-21 05:45:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 746 transitions. [2021-11-21 05:45:28,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-11-21 05:45:28,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:28,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 88386 backedges. 19132 proven. 3 refuted. 0 times theorem prover too weak. 69251 trivial. 0 not checked. [2021-11-21 05:45:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 534 states and 747 transitions. [2021-11-21 05:45:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 747 transitions. [2021-11-21 05:45:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2021-11-21 05:45:30,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:30,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 88798 backedges. 19541 proven. 6 refuted. 0 times theorem prover too weak. 69251 trivial. 0 not checked. [2021-11-21 05:45:32,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 535 states and 748 transitions. [2021-11-21 05:45:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 748 transitions. [2021-11-21 05:45:32,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-11-21 05:45:32,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:32,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:32,536 INFO L134 CoverageAnalysis]: Checked inductivity of 89211 backedges. 19950 proven. 10 refuted. 0 times theorem prover too weak. 69251 trivial. 0 not checked. [2021-11-21 05:45:34,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 536 states and 749 transitions. [2021-11-21 05:45:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 749 transitions. [2021-11-21 05:45:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-11-21 05:45:34,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:34,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:34,326 INFO L134 CoverageAnalysis]: Checked inductivity of 89625 backedges. 20359 proven. 15 refuted. 0 times theorem prover too weak. 69251 trivial. 0 not checked. [2021-11-21 05:45:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 537 states and 749 transitions. [2021-11-21 05:45:35,757 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 749 transitions. [2021-11-21 05:45:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2021-11-21 05:45:35,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:35,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 90040 backedges. 18307 proven. 3 refuted. 0 times theorem prover too weak. 71730 trivial. 0 not checked. [2021-11-21 05:45:37,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:37,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 538 states and 750 transitions. [2021-11-21 05:45:37,516 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 750 transitions. [2021-11-21 05:45:37,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2021-11-21 05:45:37,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:37,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 90456 backedges. 18720 proven. 6 refuted. 0 times theorem prover too weak. 71730 trivial. 0 not checked. [2021-11-21 05:45:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 539 states and 751 transitions. [2021-11-21 05:45:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 751 transitions. [2021-11-21 05:45:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-11-21 05:45:39,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:39,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 90873 backedges. 19133 proven. 10 refuted. 0 times theorem prover too weak. 71730 trivial. 0 not checked. [2021-11-21 05:45:41,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 540 states and 752 transitions. [2021-11-21 05:45:41,241 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 752 transitions. [2021-11-21 05:45:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-11-21 05:45:41,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:41,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:41,400 INFO L134 CoverageAnalysis]: Checked inductivity of 91291 backedges. 19546 proven. 15 refuted. 0 times theorem prover too weak. 71730 trivial. 0 not checked. [2021-11-21 05:45:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 541 states and 752 transitions. [2021-11-21 05:45:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 752 transitions. [2021-11-21 05:45:42,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2021-11-21 05:45:42,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:42,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:43,173 INFO L134 CoverageAnalysis]: Checked inductivity of 91710 backedges. 49439 proven. 6268 refuted. 0 times theorem prover too weak. 36003 trivial. 0 not checked.