./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/deep-nested.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_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/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_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/deep-nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/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_c746cfbe-2de5-4112-a561-a65ae461d41d/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 abddf9ff39262b7e56b56d5272c2d316261bfefbe98fc5849d87d962ab5f7694 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:59:01,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:59:01,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:59:01,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:59:01,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:59:01,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:59:01,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:59:01,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:59:01,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:59:01,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:59:01,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:59:01,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:59:01,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:59:01,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:59:01,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:59:01,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:59:01,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:59:01,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:59:01,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:59:01,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:59:01,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:59:01,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:59:01,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:59:01,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:59:01,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:59:01,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:59:01,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:59:01,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:59:01,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:59:01,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:59:01,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:59:01,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:59:01,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:59:01,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:59:01,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:59:01,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:59:01,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:59:01,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:59:01,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:59:01,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:59:01,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:59:01,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:59:01,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:59:01,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:59:01,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:59:01,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:59:01,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:59:01,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:59:01,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:59:01,225 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:59:01,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:59:01,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:59:01,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:59:01,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:59:01,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:59:01,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:59:01,233 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:59:01,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:59:01,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:59:01,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:59:01,234 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:59:01,235 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:59:01,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:59:01,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:59:01,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:59:01,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:59:01,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:59:01,236 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:59:01,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:59:01,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:59:01,237 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_c746cfbe-2de5-4112-a561-a65ae461d41d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abddf9ff39262b7e56b56d5272c2d316261bfefbe98fc5849d87d962ab5f7694 [2021-11-21 05:59:01,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:59:01,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:59:01,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:59:01,576 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:59:01,577 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:59:01,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-simple/deep-nested.c [2021-11-21 05:59:01,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/data/8ad21904a/257cca616a9a499ba901ee0462649f50/FLAGf511ec002 [2021-11-21 05:59:02,131 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:59:02,132 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/sv-benchmarks/c/loop-simple/deep-nested.c [2021-11-21 05:59:02,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/data/8ad21904a/257cca616a9a499ba901ee0462649f50/FLAGf511ec002 [2021-11-21 05:59:02,493 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/data/8ad21904a/257cca616a9a499ba901ee0462649f50 [2021-11-21 05:59:02,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:59:02,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:59:02,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:59:02,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:59:02,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:59:02,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdc2910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02, skipping insertion in model container [2021-11-21 05:59:02,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:59:02,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:59:02,713 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_c746cfbe-2de5-4112-a561-a65ae461d41d/sv-benchmarks/c/loop-simple/deep-nested.c[625,638] [2021-11-21 05:59:02,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:59:02,737 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:59:02,751 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_c746cfbe-2de5-4112-a561-a65ae461d41d/sv-benchmarks/c/loop-simple/deep-nested.c[625,638] [2021-11-21 05:59:02,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:59:02,765 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:59:02,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02 WrapperNode [2021-11-21 05:59:02,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:59:02,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:59:02,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:59:02,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:59:02,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,799 INFO L137 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2021-11-21 05:59:02,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:59:02,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:59:02,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:59:02,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:59:02,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:59:02,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:59:02,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:59:02,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:59:02,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:59:02" (1/1) ... [2021-11-21 05:59:02,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:59:02,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:59:02,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:59:02,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c746cfbe-2de5-4112-a561-a65ae461d41d/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:59:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:59:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:59:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:59:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:59:02,952 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:59:02,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:59:03,082 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:59:03,113 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:59:03,113 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-21 05:59:03,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:59:03 BoogieIcfgContainer [2021-11-21 05:59:03,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:59:03,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:59:03,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:59:03,127 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:59:03,127 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:59:03" (1/1) ... [2021-11-21 05:59:03,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:59:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:03,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2021-11-21 05:59:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2021-11-21 05:59:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:59:03,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:03,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:03,590 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 05:59:03,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2021-11-21 05:59:03,790 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2021-11-21 05:59:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:59:03,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:03,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:04,141 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 05:59:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2021-11-21 05:59:04,514 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2021-11-21 05:59:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:59:04,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:04,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:04,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2021-11-21 05:59:04,986 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2021-11-21 05:59:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:59:04,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:04,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:05,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:05,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2021-11-21 05:59:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2021-11-21 05:59:05,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:59:05,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:05,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-21 05:59:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-21 05:59:06,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:59:06,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:06,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:06,932 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2021-11-21 05:59:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2021-11-21 05:59:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:59:07,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:07,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 05:59:08,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:08,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2021-11-21 05:59:08,977 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2021-11-21 05:59:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:59:08,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:08,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:09,167 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:59:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2021-11-21 05:59:09,409 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2021-11-21 05:59:09,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:09,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:09,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2021-11-21 05:59:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2021-11-21 05:59:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:59:10,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:10,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2021-11-21 05:59:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2021-11-21 05:59:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:59:11,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:11,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:12,088 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2021-11-21 05:59:13,032 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2021-11-21 05:59:13,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:59:13,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:13,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2021-11-21 05:59:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2021-11-21 05:59:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:59:14,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:14,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2021-11-21 05:59:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2021-11-21 05:59:15,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:59:15,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:15,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 85 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2021-11-21 05:59:17,233 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2021-11-21 05:59:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:59:17,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:17,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 109 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:18,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:18,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2021-11-21 05:59:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2021-11-21 05:59:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:59:18,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:18,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:19,345 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 3 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:20,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 100 transitions. [2021-11-21 05:59:20,400 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2021-11-21 05:59:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:59:20,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:20,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 3 proven. 166 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 103 transitions. [2021-11-21 05:59:22,317 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2021-11-21 05:59:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:59:22,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:22,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 3 proven. 199 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:24,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2021-11-21 05:59:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2021-11-21 05:59:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:59:24,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:24,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 3 proven. 235 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:25,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2021-11-21 05:59:25,914 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2021-11-21 05:59:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:59:25,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:25,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2021-11-21 05:59:27,854 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2021-11-21 05:59:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 05:59:27,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:27,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 3 proven. 316 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:29,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 80 states and 115 transitions. [2021-11-21 05:59:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2021-11-21 05:59:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 05:59:29,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:29,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 3 proven. 361 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 83 states and 118 transitions. [2021-11-21 05:59:32,165 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2021-11-21 05:59:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 05:59:32,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:32,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 3 proven. 409 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:34,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:34,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 86 states and 121 transitions. [2021-11-21 05:59:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2021-11-21 05:59:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:59:34,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:34,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 3 proven. 460 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 124 transitions. [2021-11-21 05:59:36,562 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2021-11-21 05:59:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:59:36,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:36,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 3 proven. 514 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:38,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 92 states and 127 transitions. [2021-11-21 05:59:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 127 transitions. [2021-11-21 05:59:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 05:59:38,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:38,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 3 proven. 571 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:41,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 95 states and 130 transitions. [2021-11-21 05:59:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 130 transitions. [2021-11-21 05:59:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:59:41,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:41,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:42,269 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 3 proven. 631 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 98 states and 133 transitions. [2021-11-21 05:59:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2021-11-21 05:59:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 05:59:43,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:43,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 3 proven. 694 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:46,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:46,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 101 states and 136 transitions. [2021-11-21 05:59:46,595 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 136 transitions. [2021-11-21 05:59:46,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 05:59:46,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:46,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 3 proven. 760 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:49,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 104 states and 139 transitions. [2021-11-21 05:59:49,315 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 139 transitions. [2021-11-21 05:59:49,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:59:49,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:49,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 833 backedges. 3 proven. 829 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:52,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:52,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 142 transitions. [2021-11-21 05:59:52,103 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2021-11-21 05:59:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 05:59:52,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:52,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 3 proven. 901 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 110 states and 145 transitions. [2021-11-21 05:59:55,158 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 145 transitions. [2021-11-21 05:59:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-21 05:59:55,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:55,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 3 proven. 976 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:58,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 113 states and 148 transitions. [2021-11-21 05:59:58,347 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 148 transitions. [2021-11-21 05:59:58,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 05:59:58,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:58,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 3 proven. 1054 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 116 states and 151 transitions. [2021-11-21 06:00:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2021-11-21 06:00:01,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 06:00:01,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:01,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 3 proven. 1135 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:04,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 119 states and 154 transitions. [2021-11-21 06:00:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 154 transitions. [2021-11-21 06:00:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 06:00:04,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:04,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:05,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1223 backedges. 3 proven. 1219 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 122 states and 157 transitions. [2021-11-21 06:00:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 157 transitions. [2021-11-21 06:00:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-21 06:00:07,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:07,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 3 proven. 1306 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 125 states and 160 transitions. [2021-11-21 06:00:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 160 transitions. [2021-11-21 06:00:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-21 06:00:11,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:11,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 3 proven. 1396 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 128 states and 163 transitions. [2021-11-21 06:00:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 163 transitions. [2021-11-21 06:00:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 06:00:14,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:14,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1493 backedges. 3 proven. 1489 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:17,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:17,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 131 states and 166 transitions. [2021-11-21 06:00:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 166 transitions. [2021-11-21 06:00:17,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-21 06:00:17,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:17,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 3 proven. 1585 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 134 states and 169 transitions. [2021-11-21 06:00:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2021-11-21 06:00:21,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-21 06:00:21,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:21,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 3 proven. 1684 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:24,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 137 states and 172 transitions. [2021-11-21 06:00:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 172 transitions. [2021-11-21 06:00:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 06:00:24,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:24,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1790 backedges. 3 proven. 1786 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:28,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:28,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 140 states and 175 transitions. [2021-11-21 06:00:28,852 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 175 transitions. [2021-11-21 06:00:28,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-21 06:00:28,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:28,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 3 proven. 1891 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:32,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:32,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 143 states and 178 transitions. [2021-11-21 06:00:32,530 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 178 transitions. [2021-11-21 06:00:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 06:00:32,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:32,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 3 proven. 1999 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:36,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 146 states and 181 transitions. [2021-11-21 06:00:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 181 transitions. [2021-11-21 06:00:36,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-21 06:00:36,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:36,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 3 proven. 2110 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:40,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:40,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2021-11-21 06:00:40,245 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2021-11-21 06:00:40,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-21 06:00:40,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:40,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:41,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2228 backedges. 3 proven. 2224 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:44,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 152 states and 187 transitions. [2021-11-21 06:00:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2021-11-21 06:00:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 06:00:44,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:44,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2345 backedges. 3 proven. 2341 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 155 states and 190 transitions. [2021-11-21 06:00:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 190 transitions. [2021-11-21 06:00:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-21 06:00:48,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:48,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 3 proven. 2461 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:52,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 158 states and 193 transitions. [2021-11-21 06:00:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 193 transitions. [2021-11-21 06:00:52,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-21 06:00:52,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:52,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2588 backedges. 3 proven. 2584 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 161 states and 196 transitions. [2021-11-21 06:00:56,772 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 196 transitions. [2021-11-21 06:00:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-21 06:00:56,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:56,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2714 backedges. 3 proven. 2710 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:01,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 164 states and 199 transitions. [2021-11-21 06:01:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 199 transitions. [2021-11-21 06:01:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-21 06:01:01,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:01,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2843 backedges. 3 proven. 2839 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 167 states and 202 transitions. [2021-11-21 06:01:05,638 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 202 transitions. [2021-11-21 06:01:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-21 06:01:05,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:05,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2975 backedges. 3 proven. 2971 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:10,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 170 states and 205 transitions. [2021-11-21 06:01:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2021-11-21 06:01:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-21 06:01:10,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:10,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3110 backedges. 3 proven. 3106 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:14,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 173 states and 208 transitions. [2021-11-21 06:01:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 208 transitions. [2021-11-21 06:01:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-21 06:01:14,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:14,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 3 proven. 3244 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 176 states and 211 transitions. [2021-11-21 06:01:19,320 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 211 transitions. [2021-11-21 06:01:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-21 06:01:19,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:19,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3389 backedges. 3 proven. 3385 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:24,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:24,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 179 states and 214 transitions. [2021-11-21 06:01:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 214 transitions. [2021-11-21 06:01:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-21 06:01:24,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:24,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:25,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3533 backedges. 3 proven. 3529 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:28,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:28,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 182 states and 217 transitions. [2021-11-21 06:01:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 217 transitions. [2021-11-21 06:01:28,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-21 06:01:28,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:28,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3680 backedges. 3 proven. 3676 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:33,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 185 states and 220 transitions. [2021-11-21 06:01:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 220 transitions. [2021-11-21 06:01:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-21 06:01:33,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:33,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:35,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3830 backedges. 3 proven. 3826 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:38,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:38,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 188 states and 223 transitions. [2021-11-21 06:01:38,849 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 223 transitions. [2021-11-21 06:01:38,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-21 06:01:38,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:38,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3983 backedges. 3 proven. 3979 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:43,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 191 states and 226 transitions. [2021-11-21 06:01:43,900 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2021-11-21 06:01:43,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-21 06:01:43,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:43,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 3 proven. 4135 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:49,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:49,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 194 states and 229 transitions. [2021-11-21 06:01:49,184 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2021-11-21 06:01:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-21 06:01:49,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:49,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4298 backedges. 3 proven. 4294 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 197 states and 232 transitions. [2021-11-21 06:01:54,457 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 232 transitions. [2021-11-21 06:01:54,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-21 06:01:54,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:54,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4460 backedges. 3 proven. 4456 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:01:59,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 200 states and 235 transitions. [2021-11-21 06:01:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 235 transitions. [2021-11-21 06:01:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-21 06:01:59,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:59,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4625 backedges. 3 proven. 4621 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 203 states and 238 transitions. [2021-11-21 06:02:05,409 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 238 transitions. [2021-11-21 06:02:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-21 06:02:05,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:05,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4793 backedges. 3 proven. 4789 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:10,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:10,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 206 states and 241 transitions. [2021-11-21 06:02:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 241 transitions. [2021-11-21 06:02:10,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-21 06:02:10,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:10,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:12,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4964 backedges. 3 proven. 4960 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:16,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 209 states and 244 transitions. [2021-11-21 06:02:16,673 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 244 transitions. [2021-11-21 06:02:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-21 06:02:16,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:16,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5138 backedges. 3 proven. 5134 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:22,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:22,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 212 states and 247 transitions. [2021-11-21 06:02:22,334 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 247 transitions. [2021-11-21 06:02:22,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-21 06:02:22,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:22,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 3 proven. 5311 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 215 states and 250 transitions. [2021-11-21 06:02:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 250 transitions. [2021-11-21 06:02:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-21 06:02:28,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:28,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5495 backedges. 3 proven. 5491 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 218 states and 253 transitions. [2021-11-21 06:02:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 253 transitions. [2021-11-21 06:02:33,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-21 06:02:33,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:33,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:35,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 3 proven. 5674 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 221 states and 256 transitions. [2021-11-21 06:02:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 256 transitions. [2021-11-21 06:02:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-21 06:02:39,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:39,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5864 backedges. 3 proven. 5860 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:45,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 224 states and 259 transitions. [2021-11-21 06:02:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 259 transitions. [2021-11-21 06:02:45,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-21 06:02:45,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:45,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6053 backedges. 3 proven. 6049 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:51,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 227 states and 262 transitions. [2021-11-21 06:02:51,878 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 262 transitions. [2021-11-21 06:02:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-21 06:02:51,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:51,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6245 backedges. 3 proven. 6241 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:02:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 230 states and 265 transitions. [2021-11-21 06:02:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 265 transitions. [2021-11-21 06:02:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-21 06:02:58,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:58,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 3 proven. 6436 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 233 states and 268 transitions. [2021-11-21 06:03:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 268 transitions. [2021-11-21 06:03:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-21 06:03:04,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:04,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6638 backedges. 3 proven. 6634 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 236 states and 271 transitions. [2021-11-21 06:03:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 271 transitions. [2021-11-21 06:03:10,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-21 06:03:10,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:10,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6839 backedges. 3 proven. 6835 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:17,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 239 states and 274 transitions. [2021-11-21 06:03:17,182 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2021-11-21 06:03:17,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-21 06:03:17,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:17,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 7043 backedges. 3 proven. 7039 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 242 states and 277 transitions. [2021-11-21 06:03:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 277 transitions. [2021-11-21 06:03:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-21 06:03:23,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:23,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:25,953 INFO L134 CoverageAnalysis]: Checked inductivity of 7250 backedges. 3 proven. 7246 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:30,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 245 states and 280 transitions. [2021-11-21 06:03:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 280 transitions. [2021-11-21 06:03:30,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-21 06:03:30,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:30,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 7460 backedges. 3 proven. 7456 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 248 states and 283 transitions. [2021-11-21 06:03:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 283 transitions. [2021-11-21 06:03:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-21 06:03:37,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:37,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7673 backedges. 3 proven. 7669 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:44,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 251 states and 286 transitions. [2021-11-21 06:03:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 286 transitions. [2021-11-21 06:03:44,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-21 06:03:44,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:44,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 7889 backedges. 3 proven. 7885 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:51,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:51,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 254 states and 289 transitions. [2021-11-21 06:03:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 289 transitions. [2021-11-21 06:03:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-21 06:03:51,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:51,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:53,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8108 backedges. 3 proven. 8104 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 257 states and 292 transitions. [2021-11-21 06:03:58,253 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 292 transitions. [2021-11-21 06:03:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-21 06:03:58,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:58,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 8330 backedges. 3 proven. 8326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:04:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:05,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 260 states and 295 transitions. [2021-11-21 06:04:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 295 transitions. [2021-11-21 06:04:05,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-21 06:04:05,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:05,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 8555 backedges. 3 proven. 8551 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:04:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 263 states and 298 transitions. [2021-11-21 06:04:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 298 transitions. [2021-11-21 06:04:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-21 06:04:12,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:12,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 8783 backedges. 3 proven. 8779 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:04:19,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:19,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 266 states and 301 transitions. [2021-11-21 06:04:19,929 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 301 transitions. [2021-11-21 06:04:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-21 06:04:19,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:19,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 9014 backedges. 3 proven. 9010 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:04:27,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:27,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 269 states and 304 transitions. [2021-11-21 06:04:27,342 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 304 transitions. [2021-11-21 06:04:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-21 06:04:27,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:27,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9248 backedges. 3 proven. 9244 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:04:34,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 272 states and 307 transitions. [2021-11-21 06:04:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 307 transitions. [2021-11-21 06:04:34,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-21 06:04:34,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:34,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 9485 backedges. 3 proven. 9481 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:04:42,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 275 states and 310 transitions. [2021-11-21 06:04:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 310 transitions. [2021-11-21 06:04:42,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-21 06:04:42,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:42,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 9725 backedges. 3 proven. 9721 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:04:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 278 states and 313 transitions. [2021-11-21 06:04:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 313 transitions. [2021-11-21 06:04:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-21 06:04:50,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:50,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 9968 backedges. 3 proven. 9964 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:04:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 281 states and 316 transitions. [2021-11-21 06:04:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 316 transitions. [2021-11-21 06:04:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-21 06:04:57,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:57,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 10214 backedges. 3 proven. 10210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:05:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 284 states and 319 transitions. [2021-11-21 06:05:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 319 transitions. [2021-11-21 06:05:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-21 06:05:05,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:05,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10463 backedges. 3 proven. 10459 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:05:13,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:13,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 287 states and 322 transitions. [2021-11-21 06:05:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 322 transitions. [2021-11-21 06:05:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-21 06:05:13,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:13,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 10715 backedges. 3 proven. 10711 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:05:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 290 states and 325 transitions. [2021-11-21 06:05:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 325 transitions. [2021-11-21 06:05:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-21 06:05:22,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:22,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10970 backedges. 3 proven. 10966 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:05:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 293 states and 328 transitions. [2021-11-21 06:05:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 328 transitions. [2021-11-21 06:05:30,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-21 06:05:30,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:30,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 11228 backedges. 3 proven. 11224 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:05:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:38,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 296 states and 331 transitions. [2021-11-21 06:05:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 331 transitions. [2021-11-21 06:05:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-21 06:05:38,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:38,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:41,564 INFO L134 CoverageAnalysis]: Checked inductivity of 11489 backedges. 3 proven. 11485 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:05:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:46,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 299 states and 334 transitions. [2021-11-21 06:05:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 334 transitions. [2021-11-21 06:05:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-21 06:05:46,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:46,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 11753 backedges. 3 proven. 11749 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:05:55,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:55,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 302 states and 337 transitions. [2021-11-21 06:05:55,421 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 337 transitions. [2021-11-21 06:05:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-21 06:05:55,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:55,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12020 backedges. 3 proven. 12016 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:06:04,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:04,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 305 states and 340 transitions. [2021-11-21 06:06:04,062 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 340 transitions. [2021-11-21 06:06:04,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-21 06:06:04,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:04,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12290 backedges. 3 proven. 12286 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:06:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 308 states and 343 transitions. [2021-11-21 06:06:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 343 transitions. [2021-11-21 06:06:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-21 06:06:12,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:12,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12563 backedges. 3 proven. 12559 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:06:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:21,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 311 states and 346 transitions. [2021-11-21 06:06:21,650 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 346 transitions. [2021-11-21 06:06:21,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-21 06:06:21,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:21,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:24,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12839 backedges. 3 proven. 12835 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:06:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:30,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 314 states and 349 transitions. [2021-11-21 06:06:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 349 transitions. [2021-11-21 06:06:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-21 06:06:30,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:30,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 13118 backedges. 3 proven. 13114 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:06:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 317 states and 352 transitions. [2021-11-21 06:06:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 352 transitions. [2021-11-21 06:06:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-21 06:06:40,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:40,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 13400 backedges. 3 proven. 13396 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:06:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:49,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 320 states and 355 transitions. [2021-11-21 06:06:49,300 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 355 transitions. [2021-11-21 06:06:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-21 06:06:49,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:49,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 13685 backedges. 3 proven. 13681 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:06:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 323 states and 358 transitions. [2021-11-21 06:06:58,485 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 358 transitions. [2021-11-21 06:06:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-21 06:06:58,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:58,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 13973 backedges. 3 proven. 13969 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:07:07,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 326 states and 361 transitions. [2021-11-21 06:07:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 361 transitions. [2021-11-21 06:07:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-21 06:07:07,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:07,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:11,180 INFO L134 CoverageAnalysis]: Checked inductivity of 14264 backedges. 3 proven. 14260 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:07:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 329 states and 364 transitions. [2021-11-21 06:07:17,545 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 364 transitions. [2021-11-21 06:07:17,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-21 06:07:17,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:17,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 14558 backedges. 3 proven. 14554 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:07:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 332 states and 367 transitions. [2021-11-21 06:07:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 367 transitions. [2021-11-21 06:07:27,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-21 06:07:27,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:27,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14855 backedges. 3 proven. 14851 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:07:37,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 335 states and 370 transitions. [2021-11-21 06:07:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 370 transitions. [2021-11-21 06:07:37,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-21 06:07:37,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:37,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 15155 backedges. 3 proven. 15151 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:07:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 338 states and 373 transitions. [2021-11-21 06:07:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 373 transitions. [2021-11-21 06:07:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-21 06:07:47,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:47,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:50,666 INFO L134 CoverageAnalysis]: Checked inductivity of 15458 backedges. 3 proven. 15454 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:07:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 341 states and 376 transitions. [2021-11-21 06:07:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 376 transitions. [2021-11-21 06:07:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-21 06:07:57,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:57,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:08:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 15764 backedges. 3 proven. 15760 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:08:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:08:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 344 states and 379 transitions. [2021-11-21 06:08:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 379 transitions. [2021-11-21 06:08:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-21 06:08:07,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:08:07,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:08:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:08:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 16073 backedges. 3 proven. 16069 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:08:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:08:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 347 states and 382 transitions. [2021-11-21 06:08:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 382 transitions. [2021-11-21 06:08:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-21 06:08:17,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:08:17,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:08:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:08:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 16385 backedges. 3 proven. 16381 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:08:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:08:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 350 states and 385 transitions. [2021-11-21 06:08:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 385 transitions. [2021-11-21 06:08:28,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-21 06:08:28,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:08:28,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:08:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:08:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 16700 backedges. 3 proven. 16696 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:08:38,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:08:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 353 states and 388 transitions. [2021-11-21 06:08:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 388 transitions. [2021-11-21 06:08:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-21 06:08:38,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:08:38,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:08:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:08:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 17018 backedges. 3 proven. 17014 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:08:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:08:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 356 states and 391 transitions. [2021-11-21 06:08:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 391 transitions. [2021-11-21 06:08:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-21 06:08:48,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:08:48,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:08:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:08:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 17339 backedges. 3 proven. 17335 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:08:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:08:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 359 states and 394 transitions. [2021-11-21 06:08:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 394 transitions. [2021-11-21 06:08:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-21 06:08:59,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:08:59,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:09:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:09:03,083 INFO L134 CoverageAnalysis]: Checked inductivity of 17663 backedges. 3 proven. 17659 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:09:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:09:10,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 362 states and 397 transitions. [2021-11-21 06:09:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 397 transitions. [2021-11-21 06:09:10,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-21 06:09:10,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:09:10,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:09:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:09:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 17990 backedges. 3 proven. 17986 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:09:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:09:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 365 states and 400 transitions. [2021-11-21 06:09:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 400 transitions. [2021-11-21 06:09:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-21 06:09:20,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:09:20,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:09:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:09:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 18320 backedges. 3 proven. 18316 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:09:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:09:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 368 states and 403 transitions. [2021-11-21 06:09:31,522 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 403 transitions. [2021-11-21 06:09:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-21 06:09:31,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:09:31,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:09:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:09:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 18653 backedges. 3 proven. 18649 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:09:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:09:42,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 371 states and 406 transitions. [2021-11-21 06:09:42,500 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 406 transitions. [2021-11-21 06:09:42,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-21 06:09:42,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:09:42,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:09:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:09:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 18989 backedges. 3 proven. 18985 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:09:53,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:09:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 374 states and 409 transitions. [2021-11-21 06:09:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 409 transitions. [2021-11-21 06:09:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-21 06:09:53,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:09:53,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:09:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:09:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 19328 backedges. 3 proven. 19324 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:10:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:10:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 377 states and 412 transitions. [2021-11-21 06:10:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 412 transitions. [2021-11-21 06:10:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-21 06:10:04,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:10:04,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:10:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:10:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 19670 backedges. 3 proven. 19666 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:10:16,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:10:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 380 states and 415 transitions. [2021-11-21 06:10:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 415 transitions. [2021-11-21 06:10:16,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-21 06:10:16,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:10:16,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:10:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:10:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 20015 backedges. 3 proven. 20011 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:10:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:10:27,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 383 states and 418 transitions. [2021-11-21 06:10:27,655 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 418 transitions. [2021-11-21 06:10:27,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-21 06:10:27,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:10:27,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:10:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:10:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20363 backedges. 3 proven. 20359 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:10:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:10:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 386 states and 421 transitions. [2021-11-21 06:10:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 421 transitions. [2021-11-21 06:10:39,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-11-21 06:10:39,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:10:39,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:10:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:10:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 20714 backedges. 3 proven. 20710 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:10:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:10:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 389 states and 424 transitions. [2021-11-21 06:10:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 424 transitions. [2021-11-21 06:10:50,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-11-21 06:10:50,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:10:50,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:10:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:10:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 21068 backedges. 3 proven. 21064 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:11:02,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:11:02,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 392 states and 427 transitions. [2021-11-21 06:11:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 427 transitions. [2021-11-21 06:11:02,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-21 06:11:02,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:11:02,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:11:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:11:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 21425 backedges. 3 proven. 21421 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:11:14,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:11:14,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 395 states and 430 transitions. [2021-11-21 06:11:14,236 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 430 transitions. [2021-11-21 06:11:14,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-21 06:11:14,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:11:14,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:11:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat