./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN --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 a81d76a671fec08918102c7898e8919d02b265d05707efa1508363dab4714d44 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:30:46,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:30:46,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:30:46,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:30:46,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:30:46,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:30:46,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:30:46,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:30:46,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:30:46,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:30:46,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:30:46,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:30:46,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:30:46,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:30:46,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:30:46,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:30:46,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:30:46,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:30:46,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:30:46,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:30:46,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:30:46,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:30:46,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:30:46,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:30:46,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:30:46,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:30:46,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:30:46,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:30:46,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:30:46,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:30:46,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:30:46,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:30:46,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:30:46,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:30:46,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:30:46,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:30:46,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:30:46,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:30:46,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:30:46,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:30:46,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:30:46,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 05:30:46,594 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:30:46,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:30:46,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:30:46,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:30:46,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:30:46,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:30:46,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:30:46,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:30:46,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:30:46,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:30:46,610 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 05:30:46,610 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 05:30:46,610 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 05:30:46,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:30:46,611 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:30:46,611 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:30:46,611 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:30:46,612 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:30:46,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:30:46,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:30:46,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:30:46,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:30:46,613 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:30:46,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:30:46,613 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_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a81d76a671fec08918102c7898e8919d02b265d05707efa1508363dab4714d44 [2021-11-21 05:30:46,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:30:46,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:30:46,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:30:46,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:30:46,912 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:30:46,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2021-11-21 05:30:46,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/data/97ada5d6b/dfcb553679d545f38c23278057d17828/FLAG366f8a28f [2021-11-21 05:30:47,530 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:30:47,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2021-11-21 05:30:47,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/data/97ada5d6b/dfcb553679d545f38c23278057d17828/FLAG366f8a28f [2021-11-21 05:30:47,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/data/97ada5d6b/dfcb553679d545f38c23278057d17828 [2021-11-21 05:30:47,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:30:47,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:30:47,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:30:47,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:30:47,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:30:47,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:30:47" (1/1) ... [2021-11-21 05:30:47,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118a59e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47, skipping insertion in model container [2021-11-21 05:30:47,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:30:47" (1/1) ... [2021-11-21 05:30:47,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:30:47,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:30:48,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i[24177,24190] [2021-11-21 05:30:48,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:30:48,262 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:30:48,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i[24177,24190] [2021-11-21 05:30:48,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:30:48,348 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:30:48,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48 WrapperNode [2021-11-21 05:30:48,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:30:48,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:30:48,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:30:48,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:30:48,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48" (1/1) ... [2021-11-21 05:30:48,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48" (1/1) ... [2021-11-21 05:30:48,425 INFO L137 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 125 [2021-11-21 05:30:48,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:30:48,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:30:48,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:30:48,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:30:48,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48" (1/1) ... [2021-11-21 05:30:48,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48" (1/1) ... [2021-11-21 05:30:48,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48" (1/1) ... [2021-11-21 05:30:48,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48" (1/1) ... [2021-11-21 05:30:48,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48" (1/1) ... [2021-11-21 05:30:48,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48" (1/1) ... [2021-11-21 05:30:48,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48" (1/1) ... [2021-11-21 05:30:48,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:30:48,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:30:48,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:30:48,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:30:48,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:48" (1/1) ... [2021-11-21 05:30:48,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:30:48,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:30:48,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:30:48,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5f1dfe-776f-4ae5-ad63-4c594f1a4fc8/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:30:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:30:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:30:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:30:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:30:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:30:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:30:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:30:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 05:30:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:30:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:30:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:30:48,697 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:30:48,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:30:49,096 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:30:49,166 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:30:49,167 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 05:30:49,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:30:49 BoogieIcfgContainer [2021-11-21 05:30:49,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:30:49,173 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:30:49,173 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:30:49,184 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:30:49,184 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:30:49" (1/1) ... [2021-11-21 05:30:49,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:30:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 92 states and 98 transitions. [2021-11-21 05:30:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2021-11-21 05:30:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:30:49,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:49,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2021-11-21 05:30:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2021-11-21 05:30:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:30:49,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:49,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:49,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:49,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:49,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2021-11-21 05:30:49,687 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2021-11-21 05:30:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:30:49,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:49,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:49,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:49,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 89 states and 95 transitions. [2021-11-21 05:30:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2021-11-21 05:30:49,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:30:49,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:49,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 88 states and 94 transitions. [2021-11-21 05:30:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2021-11-21 05:30:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:30:49,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:49,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:49,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 87 states and 93 transitions. [2021-11-21 05:30:49,886 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2021-11-21 05:30:49,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:30:49,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:49,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:49,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 86 states and 92 transitions. [2021-11-21 05:30:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2021-11-21 05:30:49,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:30:49,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:49,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:50,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 87 states and 94 transitions. [2021-11-21 05:30:50,126 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2021-11-21 05:30:50,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:30:50,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:50,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 86 states and 93 transitions. [2021-11-21 05:30:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2021-11-21 05:30:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:30:50,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:50,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 85 states and 92 transitions. [2021-11-21 05:30:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2021-11-21 05:30:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:30:50,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:50,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2021-11-21 05:30:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2021-11-21 05:30:50,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:30:50,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:50,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2021-11-21 05:30:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2021-11-21 05:30:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:30:50,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:50,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2021-11-21 05:30:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2021-11-21 05:30:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:30:50,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:50,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2021-11-21 05:30:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2021-11-21 05:30:50,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:30:50,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:50,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 80 states and 87 transitions. [2021-11-21 05:30:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2021-11-21 05:30:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:30:50,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:50,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:50,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2021-11-21 05:30:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2021-11-21 05:30:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:30:50,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:50,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:51,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 87 states and 99 transitions. [2021-11-21 05:30:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2021-11-21 05:30:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:30:51,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:51,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:52,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2021-11-21 05:30:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-21 05:30:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:30:52,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:52,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:53,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 101 states and 119 transitions. [2021-11-21 05:30:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 119 transitions. [2021-11-21 05:30:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:30:53,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:53,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:55,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 112 states and 147 transitions. [2021-11-21 05:30:55,039 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 147 transitions. [2021-11-21 05:30:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:30:55,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:55,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:57,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:57,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 123 states and 178 transitions. [2021-11-21 05:30:57,938 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 178 transitions. [2021-11-21 05:30:57,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:30:57,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:57,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 127 states and 191 transitions. [2021-11-21 05:30:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 191 transitions. [2021-11-21 05:30:59,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:30:59,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:59,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:00,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 131 states and 201 transitions. [2021-11-21 05:31:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2021-11-21 05:31:00,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:31:00,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:00,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:01,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:05,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 238 transitions. [2021-11-21 05:31:05,047 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 238 transitions. [2021-11-21 05:31:05,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:31:05,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:05,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:05,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:10,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 159 states and 275 transitions. [2021-11-21 05:31:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 275 transitions. [2021-11-21 05:31:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:31:10,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:10,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:31:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:16,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 172 states and 310 transitions. [2021-11-21 05:31:16,159 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 310 transitions. [2021-11-21 05:31:16,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:31:16,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:16,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:31:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:18,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 175 states and 316 transitions. [2021-11-21 05:31:18,017 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 316 transitions. [2021-11-21 05:31:18,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:31:18,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:18,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 178 states and 322 transitions. [2021-11-21 05:31:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 322 transitions. [2021-11-21 05:31:20,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:31:20,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:20,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:31:21,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 179 states and 324 transitions. [2021-11-21 05:31:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 324 transitions. [2021-11-21 05:31:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:31:21,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:21,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:31:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 181 states and 328 transitions. [2021-11-21 05:31:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 328 transitions. [2021-11-21 05:31:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:31:23,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:23,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:31,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 191 states and 354 transitions. [2021-11-21 05:31:31,953 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 354 transitions. [2021-11-21 05:31:31,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:31:31,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:31,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:33,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:38,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 197 states and 365 transitions. [2021-11-21 05:31:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 365 transitions. [2021-11-21 05:31:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:31:38,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:38,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:31:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 198 states and 368 transitions. [2021-11-21 05:31:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 368 transitions. [2021-11-21 05:31:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:31:39,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:39,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:39,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:31:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 200 states and 373 transitions. [2021-11-21 05:31:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 373 transitions. [2021-11-21 05:31:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:31:39,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:39,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:43,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 208 states and 387 transitions. [2021-11-21 05:31:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 387 transitions. [2021-11-21 05:31:43,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:31:43,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:43,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:46,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 209 states and 387 transitions. [2021-11-21 05:31:46,820 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 387 transitions. [2021-11-21 05:31:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:31:46,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:46,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:50,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:50,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 213 states and 395 transitions. [2021-11-21 05:31:50,679 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 395 transitions. [2021-11-21 05:31:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:31:50,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:50,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 106 states and 143 transitions. [2021-11-21 05:31:51,526 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 143 transitions. [2021-11-21 05:31:51,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:51,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:51,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:09,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 114 states and 157 transitions. [2021-11-21 05:32:09,500 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2021-11-21 05:32:09,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:32:09,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:09,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:32:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 173 transitions. [2021-11-21 05:32:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2021-11-21 05:32:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:32:25,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:25,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:32:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:27,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 121 states and 172 transitions. [2021-11-21 05:32:27,692 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2021-11-21 05:32:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:32:27,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:27,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:32:34,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:34,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 127 states and 184 transitions. [2021-11-21 05:32:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2021-11-21 05:32:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:32:34,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:34,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:36,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:32:56,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:56,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 137 states and 204 transitions. [2021-11-21 05:32:56,121 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 204 transitions. [2021-11-21 05:32:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:32:56,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:56,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:33:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:00,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 142 states and 209 transitions. [2021-11-21 05:33:00,797 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 209 transitions. [2021-11-21 05:33:00,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:33:00,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:00,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:02,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:11,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 149 states and 225 transitions. [2021-11-21 05:33:11,020 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 225 transitions. [2021-11-21 05:33:11,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:33:11,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:11,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:33:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:14,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 153 states and 230 transitions. [2021-11-21 05:33:14,513 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2021-11-21 05:33:14,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:33:14,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:14,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:17,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 159 states and 239 transitions. [2021-11-21 05:33:29,962 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 239 transitions. [2021-11-21 05:33:29,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:33:29,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:29,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 167 states and 252 transitions. [2021-11-21 05:33:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 252 transitions. [2021-11-21 05:33:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:33:43,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:43,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:33:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:45,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 168 states and 254 transitions. [2021-11-21 05:33:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 254 transitions. [2021-11-21 05:33:45,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:33:45,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:45,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:33:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 170 states and 257 transitions. [2021-11-21 05:33:46,434 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 257 transitions. [2021-11-21 05:33:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:33:46,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:46,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:34:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:34,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 183 states and 280 transitions. [2021-11-21 05:34:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 280 transitions. [2021-11-21 05:34:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:34:34,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:34:34,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:34:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:34:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:35:23,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 196 states and 303 transitions. [2021-11-21 05:35:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 303 transitions. [2021-11-21 05:35:23,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:35:23,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:23,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:23,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:35:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 205 states and 325 transitions. [2021-11-21 05:35:43,302 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 325 transitions. [2021-11-21 05:35:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:35:43,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:43,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:36:07,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:07,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 216 states and 352 transitions. [2021-11-21 05:36:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 352 transitions. [2021-11-21 05:36:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:36:07,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:07,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:07,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:36:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:07,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 217 states and 353 transitions. [2021-11-21 05:36:07,969 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 353 transitions. [2021-11-21 05:36:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:36:07,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:07,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:08,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:36:32,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 228 states and 380 transitions. [2021-11-21 05:36:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 380 transitions. [2021-11-21 05:36:32,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:36:32,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:32,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:36:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:34,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 229 states and 391 transitions. [2021-11-21 05:36:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 391 transitions. [2021-11-21 05:36:34,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:36:34,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:34,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:37:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 234 states and 399 transitions. [2021-11-21 05:37:14,081 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 399 transitions. [2021-11-21 05:37:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:37:14,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:14,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:37:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 242 states and 412 transitions. [2021-11-21 05:37:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 412 transitions. [2021-11-21 05:37:32,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:37:32,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:32,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:37:50,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 250 states and 425 transitions. [2021-11-21 05:37:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 425 transitions. [2021-11-21 05:37:50,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:37:50,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:50,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:38:09,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 258 states and 438 transitions. [2021-11-21 05:38:09,790 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 438 transitions. [2021-11-21 05:38:09,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:38:09,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:09,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:38:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 268 states and 459 transitions. [2021-11-21 05:38:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 459 transitions. [2021-11-21 05:38:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:38:38,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:38,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 273 states and 477 transitions. [2021-11-21 05:39:04,072 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 477 transitions. [2021-11-21 05:39:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:39:04,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:04,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:06,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 274 states and 478 transitions. [2021-11-21 05:39:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 478 transitions. [2021-11-21 05:39:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:39:06,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:06,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:07,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:11,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:11,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 276 states and 481 transitions. [2021-11-21 05:39:11,593 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 481 transitions. [2021-11-21 05:39:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:39:11,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:11,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:29,563 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:40:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 282 states and 502 transitions. [2021-11-21 05:40:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 502 transitions. [2021-11-21 05:40:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:40:03,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:03,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:17,531 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:40:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:34,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 286 states and 513 transitions. [2021-11-21 05:40:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 513 transitions. [2021-11-21 05:40:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:40:34,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:34,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 290 states and 519 transitions. [2021-11-21 05:41:16,513 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 519 transitions. [2021-11-21 05:41:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:41:16,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:16,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:02,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 301 states and 536 transitions. [2021-11-21 05:42:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 536 transitions. [2021-11-21 05:42:02,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:42:02,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:02,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 302 states and 537 transitions. [2021-11-21 05:42:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 537 transitions. [2021-11-21 05:42:05,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:42:05,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:05,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.