./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:35:04,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:35:04,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:35:04,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:35:04,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:35:04,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:35:04,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:35:04,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:35:04,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:35:04,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:35:04,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:35:04,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:35:04,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:35:04,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:35:04,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:35:04,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:35:04,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:35:04,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:35:04,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:35:04,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:35:04,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:35:04,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:35:04,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:35:04,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:35:04,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:35:04,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:35:04,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:35:04,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:35:04,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:35:04,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:35:04,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:35:04,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:35:04,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:35:04,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:35:04,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:35:04,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:35:04,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:35:04,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:35:04,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:35:04,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:35:04,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:35:04,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:35:04,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:35:04,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:35:04,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:35:04,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:35:04,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:35:04,345 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:35:04,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:35:04,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:35:04,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:35:04,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:35:04,346 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:35:04,346 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:35:04,346 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:35:04,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:35:04,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:35:04,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:35:04,351 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:35:04,352 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:35:04,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:35:04,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:04,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:35:04,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:35:04,353 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:35:04,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:35:04,354 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_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 [2021-11-23 01:35:04,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:35:04,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:35:04,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:35:04,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:35:04,652 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:35:04,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2021-11-23 01:35:04,718 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/data/093e28c6c/b11d4ba8ddbf475e80e49904f14a317a/FLAG7fcd5bc0a [2021-11-23 01:35:05,234 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:35:05,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2021-11-23 01:35:05,252 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/data/093e28c6c/b11d4ba8ddbf475e80e49904f14a317a/FLAG7fcd5bc0a [2021-11-23 01:35:05,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/data/093e28c6c/b11d4ba8ddbf475e80e49904f14a317a [2021-11-23 01:35:05,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:35:05,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:35:05,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:05,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:35:05,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:35:05,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672408b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:05, skipping insertion in model container [2021-11-23 01:35:05,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:05" (1/1) ... [2021-11-23 01:35:05,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:35:05,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:35:05,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:05,933 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:35:05,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:06,020 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:35:06,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06 WrapperNode [2021-11-23 01:35:06,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:06,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:06,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:35:06,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:35:06,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06" (1/1) ... [2021-11-23 01:35:06,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06" (1/1) ... [2021-11-23 01:35:06,073 INFO L137 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 160 [2021-11-23 01:35:06,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:06,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:35:06,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:35:06,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:35:06,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06" (1/1) ... [2021-11-23 01:35:06,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06" (1/1) ... [2021-11-23 01:35:06,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06" (1/1) ... [2021-11-23 01:35:06,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06" (1/1) ... [2021-11-23 01:35:06,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06" (1/1) ... [2021-11-23 01:35:06,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06" (1/1) ... [2021-11-23 01:35:06,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06" (1/1) ... [2021-11-23 01:35:06,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:35:06,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:35:06,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:35:06,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:35:06,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:06" (1/1) ... [2021-11-23 01:35:06,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:06,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:35:06,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:35:06,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304fa363-7f85-4eaa-bbcb-e4c569bdf91f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:35:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:35:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:35:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:35:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:35:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:35:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:35:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:35:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:35:06,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:35:06,337 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:35:06,345 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:35:06,975 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:35:07,041 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:35:07,041 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:35:07,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:07 BoogieIcfgContainer [2021-11-23 01:35:07,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:35:07,045 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:35:07,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:35:07,055 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:35:07,056 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:07" (1/1) ... [2021-11-23 01:35:07,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:35:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 148 states and 156 transitions. [2021-11-23 01:35:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2021-11-23 01:35:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:35:07,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 147 states and 155 transitions. [2021-11-23 01:35:07,331 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2021-11-23 01:35:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:35:07,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 146 states and 154 transitions. [2021-11-23 01:35:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2021-11-23 01:35:07,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:35:07,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 145 states and 153 transitions. [2021-11-23 01:35:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2021-11-23 01:35:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:35:07,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:07,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 144 states and 152 transitions. [2021-11-23 01:35:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2021-11-23 01:35:07,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:35:07,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 143 states and 151 transitions. [2021-11-23 01:35:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 151 transitions. [2021-11-23 01:35:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:35:07,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 142 states and 150 transitions. [2021-11-23 01:35:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2021-11-23 01:35:07,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:35:07,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:07,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 141 states and 149 transitions. [2021-11-23 01:35:07,929 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 149 transitions. [2021-11-23 01:35:07,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:35:07,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 140 states and 148 transitions. [2021-11-23 01:35:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2021-11-23 01:35:07,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:35:07,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:08,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 139 states and 146 transitions. [2021-11-23 01:35:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2021-11-23 01:35:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:35:08,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:08,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 138 states and 145 transitions. [2021-11-23 01:35:08,275 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2021-11-23 01:35:08,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:35:08,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:08,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:08,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 141 states and 150 transitions. [2021-11-23 01:35:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2021-11-23 01:35:08,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:35:08,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:08,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 144 states and 156 transitions. [2021-11-23 01:35:09,640 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 156 transitions. [2021-11-23 01:35:09,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:09,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:09,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:09,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 143 states and 155 transitions. [2021-11-23 01:35:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 155 transitions. [2021-11-23 01:35:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:09,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:09,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:10,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 145 states and 159 transitions. [2021-11-23 01:35:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 159 transitions. [2021-11-23 01:35:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:35:10,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:10,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:10,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 144 states and 158 transitions. [2021-11-23 01:35:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 158 transitions. [2021-11-23 01:35:10,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:35:10,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:10,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:10,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:10,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 146 states and 161 transitions. [2021-11-23 01:35:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2021-11-23 01:35:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:35:10,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:10,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 147 states and 162 transitions. [2021-11-23 01:35:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 162 transitions. [2021-11-23 01:35:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:10,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:10,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:10,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 151 states and 170 transitions. [2021-11-23 01:35:10,912 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 170 transitions. [2021-11-23 01:35:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:10,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:10,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:10,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:11,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 155 states and 178 transitions. [2021-11-23 01:35:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 178 transitions. [2021-11-23 01:35:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:11,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:11,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 154 states and 177 transitions. [2021-11-23 01:35:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 177 transitions. [2021-11-23 01:35:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:11,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:11,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:11,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 155 states and 179 transitions. [2021-11-23 01:35:11,924 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 179 transitions. [2021-11-23 01:35:11,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:11,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:11,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:11,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 156 states and 181 transitions. [2021-11-23 01:35:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 181 transitions. [2021-11-23 01:35:11,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:11,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:11,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:11,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:12,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 156 states and 180 transitions. [2021-11-23 01:35:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 180 transitions. [2021-11-23 01:35:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:12,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 157 states and 181 transitions. [2021-11-23 01:35:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 181 transitions. [2021-11-23 01:35:12,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:12,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 158 states and 182 transitions. [2021-11-23 01:35:12,182 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 182 transitions. [2021-11-23 01:35:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:12,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 157 states and 181 transitions. [2021-11-23 01:35:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 181 transitions. [2021-11-23 01:35:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:12,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 159 states and 183 transitions. [2021-11-23 01:35:12,419 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 183 transitions. [2021-11-23 01:35:12,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:35:12,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:12,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 160 states and 185 transitions. [2021-11-23 01:35:12,460 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 185 transitions. [2021-11-23 01:35:12,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:35:12,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 163 states and 189 transitions. [2021-11-23 01:35:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 189 transitions. [2021-11-23 01:35:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:35:12,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:12,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 167 states and 194 transitions. [2021-11-23 01:35:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 194 transitions. [2021-11-23 01:35:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:35:12,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:13,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 171 states and 199 transitions. [2021-11-23 01:35:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 199 transitions. [2021-11-23 01:35:13,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:35:13,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:13,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:15,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 175 states and 206 transitions. [2021-11-23 01:35:15,202 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 206 transitions. [2021-11-23 01:35:15,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:35:15,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:15,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:15,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:15,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 174 states and 205 transitions. [2021-11-23 01:35:15,235 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 205 transitions. [2021-11-23 01:35:15,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:35:15,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:15,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:15,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:15,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 175 states and 206 transitions. [2021-11-23 01:35:15,276 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 206 transitions. [2021-11-23 01:35:15,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:35:15,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:15,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:19,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 180 states and 214 transitions. [2021-11-23 01:35:19,114 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 214 transitions. [2021-11-23 01:35:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:35:19,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:19,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:19,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 181 states and 216 transitions. [2021-11-23 01:35:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2021-11-23 01:35:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:35:19,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:19,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:19,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:19,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 180 states and 215 transitions. [2021-11-23 01:35:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 215 transitions. [2021-11-23 01:35:19,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:35:19,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:19,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 179 states and 214 transitions. [2021-11-23 01:35:19,416 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 214 transitions. [2021-11-23 01:35:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:35:19,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:19,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:23,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:23,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 192 states and 233 transitions. [2021-11-23 01:35:23,485 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 233 transitions. [2021-11-23 01:35:23,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:35:23,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:23,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2021-11-23 01:35:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2021-11-23 01:35:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:35:27,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:27,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:32,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:32,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 224 states and 297 transitions. [2021-11-23 01:35:32,466 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 297 transitions. [2021-11-23 01:35:32,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:35:32,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:32,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:32,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:32,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 223 states and 296 transitions. [2021-11-23 01:35:32,504 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 296 transitions. [2021-11-23 01:35:32,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:35:32,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:32,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 225 states and 300 transitions. [2021-11-23 01:35:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 300 transitions. [2021-11-23 01:35:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:35:32,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:32,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:32,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:32,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 224 states and 299 transitions. [2021-11-23 01:35:32,647 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 299 transitions. [2021-11-23 01:35:32,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:35:32,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:32,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:32,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:32,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 226 states and 302 transitions. [2021-11-23 01:35:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 302 transitions. [2021-11-23 01:35:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:35:32,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:32,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:32,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 227 states and 303 transitions. [2021-11-23 01:35:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 303 transitions. [2021-11-23 01:35:32,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:35:32,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:32,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:35:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 220 states and 293 transitions. [2021-11-23 01:35:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 293 transitions. [2021-11-23 01:35:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:35:33,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:33,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:33,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 213 states and 283 transitions. [2021-11-23 01:35:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 283 transitions. [2021-11-23 01:35:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:35:33,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:33,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:33,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 212 states and 282 transitions. [2021-11-23 01:35:33,643 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 282 transitions. [2021-11-23 01:35:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:35:33,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:33,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:33,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 213 states and 284 transitions. [2021-11-23 01:35:33,916 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 284 transitions. [2021-11-23 01:35:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:35:33,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:33,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 217 states and 292 transitions. [2021-11-23 01:35:33,983 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 292 transitions. [2021-11-23 01:35:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:35:33,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:33,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 221 states and 300 transitions. [2021-11-23 01:35:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 300 transitions. [2021-11-23 01:35:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:35:34,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 222 states and 301 transitions. [2021-11-23 01:35:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 301 transitions. [2021-11-23 01:35:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:35:34,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 221 states and 300 transitions. [2021-11-23 01:35:34,134 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 300 transitions. [2021-11-23 01:35:34,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:35:34,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 222 states and 301 transitions. [2021-11-23 01:35:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 301 transitions. [2021-11-23 01:35:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:35:34,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 224 states and 303 transitions. [2021-11-23 01:35:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 303 transitions. [2021-11-23 01:35:34,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:35:34,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 223 states and 302 transitions. [2021-11-23 01:35:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 302 transitions. [2021-11-23 01:35:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:35:34,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 224 states and 303 transitions. [2021-11-23 01:35:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 303 transitions. [2021-11-23 01:35:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:34,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 228 states and 308 transitions. [2021-11-23 01:35:34,425 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 308 transitions. [2021-11-23 01:35:34,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:34,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 232 states and 313 transitions. [2021-11-23 01:35:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 313 transitions. [2021-11-23 01:35:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:34,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 233 states and 315 transitions. [2021-11-23 01:35:34,571 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 315 transitions. [2021-11-23 01:35:34,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:34,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 236 states and 319 transitions. [2021-11-23 01:35:34,673 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 319 transitions. [2021-11-23 01:35:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:34,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:44,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 256 states and 367 transitions. [2021-11-23 01:35:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 367 transitions. [2021-11-23 01:35:44,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:44,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:44,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 270 states and 402 transitions. [2021-11-23 01:35:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 402 transitions. [2021-11-23 01:35:53,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:53,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:53,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:53,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:54,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 272 states and 405 transitions. [2021-11-23 01:35:54,730 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 405 transitions. [2021-11-23 01:35:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:54,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:54,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 273 states and 412 transitions. [2021-11-23 01:35:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 412 transitions. [2021-11-23 01:35:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:35:56,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 275 states and 419 transitions. [2021-11-23 01:35:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 419 transitions. [2021-11-23 01:35:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:35:57,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:57,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 274 states and 418 transitions. [2021-11-23 01:35:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 418 transitions. [2021-11-23 01:35:57,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:35:57,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 275 states and 419 transitions. [2021-11-23 01:35:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 419 transitions. [2021-11-23 01:35:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:35:57,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 292 states and 463 transitions. [2021-11-23 01:36:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 463 transitions. [2021-11-23 01:36:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:36:10,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:10,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:10,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:36:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 293 states and 465 transitions. [2021-11-23 01:36:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 465 transitions. [2021-11-23 01:36:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:36:11,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 295 states and 474 transitions. [2021-11-23 01:36:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 474 transitions. [2021-11-23 01:36:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:36:12,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:12,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:14,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:30,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:30,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 308 states and 503 transitions. [2021-11-23 01:36:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 503 transitions. [2021-11-23 01:36:30,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:30,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:30,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 326 states and 548 transitions. [2021-11-23 01:36:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 548 transitions. [2021-11-23 01:36:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:48,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:48,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 337 states and 569 transitions. [2021-11-23 01:36:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 569 transitions. [2021-11-23 01:36:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:36:54,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:54,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 347 states and 587 transitions. [2021-11-23 01:37:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 587 transitions. [2021-11-23 01:37:02,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:37:02,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:02,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:03,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:11,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 359 states and 607 transitions. [2021-11-23 01:37:11,874 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 607 transitions. [2021-11-23 01:37:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:37:11,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:11,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 367 states and 628 transitions. [2021-11-23 01:37:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 628 transitions. [2021-11-23 01:37:18,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:37:18,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:18,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:19,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 367 states and 627 transitions. [2021-11-23 01:37:19,590 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 627 transitions. [2021-11-23 01:37:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:37:19,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:19,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:20,307 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:28,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:28,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 378 states and 651 transitions. [2021-11-23 01:37:28,368 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 651 transitions. [2021-11-23 01:37:28,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:37:28,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:28,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:37:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 389 states and 672 transitions. [2021-11-23 01:37:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 672 transitions. [2021-11-23 01:37:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:37:36,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:36,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:38,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 393 states and 692 transitions. [2021-11-23 01:37:38,614 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 692 transitions. [2021-11-23 01:37:38,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:37:38,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:38,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:37:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 403 states and 711 transitions. [2021-11-23 01:37:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 711 transitions. [2021-11-23 01:37:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:37:44,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:44,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:45,018 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:37:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 406 states and 716 transitions. [2021-11-23 01:37:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 716 transitions. [2021-11-23 01:37:47,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:37:47,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:47,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:47,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 409 states and 719 transitions. [2021-11-23 01:37:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 719 transitions. [2021-11-23 01:37:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:37:50,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:50,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 402 states and 709 transitions. [2021-11-23 01:37:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 709 transitions. [2021-11-23 01:37:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:37:51,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:51,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:51,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:51,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 395 states and 699 transitions. [2021-11-23 01:37:51,582 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 699 transitions. [2021-11-23 01:37:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:37:51,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:51,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:06,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 414 states and 741 transitions. [2021-11-23 01:38:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 741 transitions. [2021-11-23 01:38:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:38:06,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:06,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 427 states and 774 transitions. [2021-11-23 01:38:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 774 transitions. [2021-11-23 01:38:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:38:16,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:16,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 429 states and 779 transitions. [2021-11-23 01:38:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 779 transitions. [2021-11-23 01:38:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:38:17,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:17,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 431 states and 788 transitions. [2021-11-23 01:38:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 788 transitions. [2021-11-23 01:38:17,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:38:17,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:17,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:20,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 440 states and 807 transitions. [2021-11-23 01:38:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 807 transitions. [2021-11-23 01:38:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:38:36,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:36,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:38:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 441 states and 809 transitions. [2021-11-23 01:38:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 809 transitions. [2021-11-23 01:38:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:38:36,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:36,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:38:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:36,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 443 states and 818 transitions. [2021-11-23 01:38:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 818 transitions. [2021-11-23 01:38:36,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:38:36,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:36,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:03,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:03,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 459 states and 855 transitions. [2021-11-23 01:39:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 855 transitions. [2021-11-23 01:39:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:39:03,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:03,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:39:17,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:17,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 470 states and 885 transitions. [2021-11-23 01:39:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 885 transitions. [2021-11-23 01:39:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:39:17,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:17,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:39:19,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 471 states and 896 transitions. [2021-11-23 01:39:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 896 transitions. [2021-11-23 01:39:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:39:19,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:22,765 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:39:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 472 states and 897 transitions. [2021-11-23 01:39:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 897 transitions. [2021-11-23 01:39:29,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:39:29,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:29,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 480 states and 910 transitions. [2021-11-23 01:39:49,394 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 910 transitions. [2021-11-23 01:39:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:39:49,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:49,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 491 states and 930 transitions. [2021-11-23 01:40:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 930 transitions. [2021-11-23 01:40:18,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:40:18,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:18,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:29,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 494 states and 933 transitions. [2021-11-23 01:40:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 933 transitions. [2021-11-23 01:40:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:40:29,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:29,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:34,946 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:55,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:55,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 507 states and 965 transitions. [2021-11-23 01:40:55,640 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 965 transitions. [2021-11-23 01:40:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:40:55,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:55,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 515 states and 976 transitions. [2021-11-23 01:41:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 976 transitions. [2021-11-23 01:41:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:41:07,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:07,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 537 states and 1037 transitions. [2021-11-23 01:42:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1037 transitions. [2021-11-23 01:42:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:42:01,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:01,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:10,969 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:22,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 541 states and 1043 transitions. [2021-11-23 01:42:22,424 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1043 transitions. [2021-11-23 01:42:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:42:22,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:22,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:38,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 551 states and 1066 transitions. [2021-11-23 01:42:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1066 transitions. [2021-11-23 01:42:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:42:38,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:38,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:53,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 560 states and 1079 transitions. [2021-11-23 01:42:53,387 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1079 transitions. [2021-11-23 01:42:53,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:42:53,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:53,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 563 states and 1090 transitions. [2021-11-23 01:43:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1090 transitions. [2021-11-23 01:43:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:43:02,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:02,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 564 states and 1091 transitions. [2021-11-23 01:43:08,350 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1091 transitions. [2021-11-23 01:43:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:43:08,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:08,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 576 states and 1123 transitions. [2021-11-23 01:43:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1123 transitions. [2021-11-23 01:43:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:43:21,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:21,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:23,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 578 states and 1124 transitions. [2021-11-23 01:43:23,679 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1124 transitions. [2021-11-23 01:43:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:43:23,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:23,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:39,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:39,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 586 states and 1142 transitions. [2021-11-23 01:43:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1142 transitions. [2021-11-23 01:43:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:43:39,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:39,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 588 states and 1151 transitions. [2021-11-23 01:43:44,345 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1151 transitions. [2021-11-23 01:43:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:43:44,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 589 states and 1156 transitions. [2021-11-23 01:43:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1156 transitions. [2021-11-23 01:43:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:43:45,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:45,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:46,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:46,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 590 states and 1158 transitions. [2021-11-23 01:43:46,886 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1158 transitions. [2021-11-23 01:43:46,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:43:46,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:46,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:48,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 591 states and 1158 transitions. [2021-11-23 01:43:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1158 transitions. [2021-11-23 01:43:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:43:48,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:43:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 590 states and 1156 transitions. [2021-11-23 01:43:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1156 transitions. [2021-11-23 01:43:52,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:43:52,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:12,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:12,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 604 states and 1199 transitions. [2021-11-23 01:44:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1199 transitions. [2021-11-23 01:44:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:44:12,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:12,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:44:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 607 states and 1204 transitions. [2021-11-23 01:44:16,287 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1204 transitions. [2021-11-23 01:44:16,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:44:16,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:16,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:16,386 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:18,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 609 states and 1211 transitions. [2021-11-23 01:44:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1211 transitions. [2021-11-23 01:44:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:44:18,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 612 states and 1219 transitions. [2021-11-23 01:44:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1219 transitions. [2021-11-23 01:44:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:44:34,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:34,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:44,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 615 states and 1223 transitions. [2021-11-23 01:44:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1223 transitions. [2021-11-23 01:44:44,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:44:44,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:44,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:44,619 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:46,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 616 states and 1235 transitions. [2021-11-23 01:44:46,851 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1235 transitions. [2021-11-23 01:44:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:44:46,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:46,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:49,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 622 states and 1250 transitions. [2021-11-23 01:44:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1250 transitions. [2021-11-23 01:44:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:44:49,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:49,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:51,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 623 states and 1252 transitions. [2021-11-23 01:44:51,779 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1252 transitions. [2021-11-23 01:44:51,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:44:51,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:51,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:54,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 625 states and 1262 transitions. [2021-11-23 01:44:54,497 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1262 transitions. [2021-11-23 01:44:54,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:44:54,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:54,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:56,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 626 states and 1269 transitions. [2021-11-23 01:44:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1269 transitions. [2021-11-23 01:44:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:44:56,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:56,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:57,276 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 627 states and 1274 transitions. [2021-11-23 01:44:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1274 transitions. [2021-11-23 01:44:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:44:59,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:59,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:59,875 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:01,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 628 states and 1283 transitions. [2021-11-23 01:45:01,493 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1283 transitions. [2021-11-23 01:45:01,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:45:01,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 629 states and 1290 transitions. [2021-11-23 01:45:03,640 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1290 transitions. [2021-11-23 01:45:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:45:03,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:03,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:42,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 643 states and 1327 transitions. [2021-11-23 01:45:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1327 transitions. [2021-11-23 01:45:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:45:42,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:42,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:44,375 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:46,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:46,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 646 states and 1345 transitions. [2021-11-23 01:45:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1345 transitions. [2021-11-23 01:45:46,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:45:46,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:46,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 647 states and 1346 transitions. [2021-11-23 01:45:50,356 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1346 transitions. [2021-11-23 01:45:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:45:50,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:50,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 648 states and 1349 transitions. [2021-11-23 01:45:53,888 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1349 transitions. [2021-11-23 01:45:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:45:53,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:53,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:54,740 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:46:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 651 states and 1361 transitions. [2021-11-23 01:46:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1361 transitions. [2021-11-23 01:46:02,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:46:02,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:02,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 25 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:46:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 656 states and 1374 transitions. [2021-11-23 01:46:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1374 transitions. [2021-11-23 01:46:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:46:11,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:11,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:46:35,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:35,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 657 states and 1377 transitions. [2021-11-23 01:46:35,985 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1377 transitions. [2021-11-23 01:46:35,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:46:35,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:35,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:46:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 659 states and 1381 transitions. [2021-11-23 01:46:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1381 transitions. [2021-11-23 01:46:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:46:50,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:50,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat