./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.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_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/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_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/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_58940489-0162-4c11-a0e0-e72b53a90d2e/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 4fecbd384f63aa34e01807a3a6735a322a2435f1312f0df3ed763fde7f43fe0a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:14:12,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:14:12,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:14:12,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:14:12,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:14:12,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:14:12,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:14:12,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:14:12,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:14:12,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:14:12,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:14:12,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:14:12,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:14:12,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:14:12,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:14:12,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:14:12,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:14:12,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:14:12,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:14:12,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:14:12,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:14:12,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:14:12,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:14:12,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:14:12,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:14:12,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:14:12,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:14:12,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:14:12,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:14:12,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:14:12,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:14:12,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:14:12,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:14:12,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:14:12,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:14:12,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:14:12,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:14:12,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:14:12,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:14:12,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:14:12,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:14:12,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:14:12,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:14:12,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:14:12,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:14:12,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:14:12,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:14:12,535 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:14:12,536 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:14:12,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:14:12,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:14:12,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:14:12,537 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:14:12,538 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:14:12,538 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:14:12,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:14:12,538 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:14:12,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:14:12,539 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:14:12,539 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:14:12,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:14:12,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:14:12,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:14:12,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:14:12,540 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:14:12,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:14:12,540 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_58940489-0162-4c11-a0e0-e72b53a90d2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fecbd384f63aa34e01807a3a6735a322a2435f1312f0df3ed763fde7f43fe0a [2021-11-22 23:14:12,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:14:12,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:14:12,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:14:12,860 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:14:12,861 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:14:12,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2021-11-22 23:14:12,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/data/fa0c761ae/1bddf40bfcca4a7e820b8a2f492ec6dd/FLAG0873dd1ff [2021-11-22 23:14:13,579 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:14:13,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2021-11-22 23:14:13,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/data/fa0c761ae/1bddf40bfcca4a7e820b8a2f492ec6dd/FLAG0873dd1ff [2021-11-22 23:14:13,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/data/fa0c761ae/1bddf40bfcca4a7e820b8a2f492ec6dd [2021-11-22 23:14:13,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:14:13,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:14:13,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:14:13,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:14:13,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:14:13,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:14:13" (1/1) ... [2021-11-22 23:14:13,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561b5cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:13, skipping insertion in model container [2021-11-22 23:14:13,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:14:13" (1/1) ... [2021-11-22 23:14:13,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:14:13,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:14:14,317 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_58940489-0162-4c11-a0e0-e72b53a90d2e/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i[24436,24449] [2021-11-22 23:14:14,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:14:14,337 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:14:14,418 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_58940489-0162-4c11-a0e0-e72b53a90d2e/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i[24436,24449] [2021-11-22 23:14:14,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:14:14,462 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:14:14,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14 WrapperNode [2021-11-22 23:14:14,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:14:14,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:14:14,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:14:14,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:14:14,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14" (1/1) ... [2021-11-22 23:14:14,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14" (1/1) ... [2021-11-22 23:14:14,526 INFO L137 Inliner]: procedures = 126, calls = 26, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 146 [2021-11-22 23:14:14,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:14:14,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:14:14,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:14:14,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:14:14,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14" (1/1) ... [2021-11-22 23:14:14,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14" (1/1) ... [2021-11-22 23:14:14,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14" (1/1) ... [2021-11-22 23:14:14,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14" (1/1) ... [2021-11-22 23:14:14,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14" (1/1) ... [2021-11-22 23:14:14,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14" (1/1) ... [2021-11-22 23:14:14,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14" (1/1) ... [2021-11-22 23:14:14,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:14:14,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:14:14,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:14:14,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:14:14,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:14" (1/1) ... [2021-11-22 23:14:14,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:14:14,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:14:14,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:14:14,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58940489-0162-4c11-a0e0-e72b53a90d2e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:14:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:14:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:14:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:14:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:14:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:14:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:14:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:14:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:14:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:14:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:14:14,840 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:14:14,841 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:14:15,187 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:14:15,253 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:14:15,254 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-22 23:14:15,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:14:15 BoogieIcfgContainer [2021-11-22 23:14:15,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:14:15,257 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:14:15,257 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:14:15,271 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:14:15,271 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:14:15" (1/1) ... [2021-11-22 23:14:15,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:14:15,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2021-11-22 23:14:15,348 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2021-11-22 23:14:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:14:15,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:15,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:15,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2021-11-22 23:14:15,529 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2021-11-22 23:14:15,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:14:15,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:15,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:15,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2021-11-22 23:14:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2021-11-22 23:14:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:14:15,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:15,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2021-11-22 23:14:15,711 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2021-11-22 23:14:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:14:15,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:15,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:15,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2021-11-22 23:14:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2021-11-22 23:14:15,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:14:15,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:15,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2021-11-22 23:14:16,035 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2021-11-22 23:14:16,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:14:16,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:16,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 73 transitions. [2021-11-22 23:14:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2021-11-22 23:14:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:14:16,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:16,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 72 transitions. [2021-11-22 23:14:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2021-11-22 23:14:16,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:14:16,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 61 states and 71 transitions. [2021-11-22 23:14:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2021-11-22 23:14:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:14:16,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 60 states and 70 transitions. [2021-11-22 23:14:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2021-11-22 23:14:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:14:16,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 59 states and 69 transitions. [2021-11-22 23:14:16,433 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2021-11-22 23:14:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:14:16,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:16,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 58 states and 68 transitions. [2021-11-22 23:14:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2021-11-22 23:14:16,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:14:16,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:14:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 57 states and 67 transitions. [2021-11-22 23:14:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2021-11-22 23:14:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:14:17,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:17,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 56 states and 66 transitions. [2021-11-22 23:14:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2021-11-22 23:14:18,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:14:18,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:18,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions. [2021-11-22 23:14:19,044 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2021-11-22 23:14:19,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:14:19,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:19,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:19,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2021-11-22 23:14:20,248 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2021-11-22 23:14:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:14:20,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:20,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2021-11-22 23:14:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2021-11-22 23:14:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:14:20,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:20,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 64 states and 86 transitions. [2021-11-22 23:14:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2021-11-22 23:14:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:14:20,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:20,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2021-11-22 23:14:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-11-22 23:14:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:14:20,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:20,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2021-11-22 23:14:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2021-11-22 23:14:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:14:22,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:22,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 81 states and 122 transitions. [2021-11-22 23:14:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 122 transitions. [2021-11-22 23:14:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:14:24,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:24,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:25,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2021-11-22 23:14:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2021-11-22 23:14:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:14:25,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:25,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:28,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:28,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 92 states and 146 transitions. [2021-11-22 23:14:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2021-11-22 23:14:28,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:14:28,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:28,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 97 states and 163 transitions. [2021-11-22 23:14:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 163 transitions. [2021-11-22 23:14:34,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:14:34,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:34,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:14:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 99 states and 171 transitions. [2021-11-22 23:14:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 171 transitions. [2021-11-22 23:14:35,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:14:35,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:35,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2021-11-22 23:14:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2021-11-22 23:14:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:14:36,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:36,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:37,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 101 states and 173 transitions. [2021-11-22 23:14:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 173 transitions. [2021-11-22 23:14:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:14:37,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:37,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 102 states and 174 transitions. [2021-11-22 23:14:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 174 transitions. [2021-11-22 23:14:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:14:37,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:37,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:14:40,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:40,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 107 states and 189 transitions. [2021-11-22 23:14:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 189 transitions. [2021-11-22 23:14:40,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:14:40,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:40,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:41,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 108 states and 191 transitions. [2021-11-22 23:14:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 191 transitions. [2021-11-22 23:14:41,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:14:41,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:41,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:47,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 113 states and 212 transitions. [2021-11-22 23:14:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 212 transitions. [2021-11-22 23:14:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:14:47,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:47,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:14:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:47,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 114 states and 215 transitions. [2021-11-22 23:14:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 215 transitions. [2021-11-22 23:14:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:14:47,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:47,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 115 states and 218 transitions. [2021-11-22 23:14:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 218 transitions. [2021-11-22 23:14:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:14:48,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:48,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 116 states and 221 transitions. [2021-11-22 23:14:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 221 transitions. [2021-11-22 23:14:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:14:49,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:49,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 117 states and 226 transitions. [2021-11-22 23:14:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 226 transitions. [2021-11-22 23:14:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:14:50,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:50,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:14:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:51,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 118 states and 228 transitions. [2021-11-22 23:14:51,447 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 228 transitions. [2021-11-22 23:14:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:14:51,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:51,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:51,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:52,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:52,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 119 states and 230 transitions. [2021-11-22 23:14:52,166 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 230 transitions. [2021-11-22 23:14:52,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:14:52,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:52,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:14:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 124 states and 245 transitions. [2021-11-22 23:14:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 245 transitions. [2021-11-22 23:14:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:14:56,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:56,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:14:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 125 states and 247 transitions. [2021-11-22 23:14:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 247 transitions. [2021-11-22 23:14:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:14:56,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:56,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:14:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 126 states and 249 transitions. [2021-11-22 23:14:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 249 transitions. [2021-11-22 23:14:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:14:57,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:57,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:57,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:58,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 108 states and 212 transitions. [2021-11-22 23:14:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 212 transitions. [2021-11-22 23:14:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:14:58,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:58,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:15:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:01,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 111 states and 222 transitions. [2021-11-22 23:15:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 222 transitions. [2021-11-22 23:15:01,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:01,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:01,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:01,631 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:15:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 112 states and 225 transitions. [2021-11-22 23:15:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 225 transitions. [2021-11-22 23:15:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:02,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:02,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:03,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 113 states and 227 transitions. [2021-11-22 23:15:03,082 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 227 transitions. [2021-11-22 23:15:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:03,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:03,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:15:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 79 states and 98 transitions. [2021-11-22 23:15:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2021-11-22 23:15:04,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:04,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:04,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 87 transitions. [2021-11-22 23:15:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2021-11-22 23:15:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:15:05,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:05,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:05,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:08,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:08,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 67 states and 87 transitions. [2021-11-22 23:15:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2021-11-22 23:15:08,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:15:08,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:08,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:08,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:08,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 68 states and 88 transitions. [2021-11-22 23:15:08,131 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2021-11-22 23:15:08,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:15:08,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:08,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2021-11-22 23:15:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2021-11-22 23:15:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:15:16,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:16,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:17,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2021-11-22 23:15:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2021-11-22 23:15:17,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:15:17,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:17,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:19,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2021-11-22 23:15:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2021-11-22 23:15:19,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:19,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:19,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 112 transitions. [2021-11-22 23:15:29,843 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2021-11-22 23:15:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:29,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:29,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:32,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2021-11-22 23:15:32,692 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2021-11-22 23:15:32,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:32,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:32,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:15:34,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2021-11-22 23:15:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2021-11-22 23:15:34,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:34,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:34,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:38,240 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 83 states and 120 transitions. [2021-11-22 23:15:55,255 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2021-11-22 23:15:55,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:15:55,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:09,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2021-11-22 23:16:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2021-11-22 23:16:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:09,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:09,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:09,392 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2021-11-22 23:16:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2021-11-22 23:16:10,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:10,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:10,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:14,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 91 states and 131 transitions. [2021-11-22 23:16:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2021-11-22 23:16:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:14,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:14,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:15,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 91 states and 129 transitions. [2021-11-22 23:16:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2021-11-22 23:16:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:15,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:15,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:17,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 92 states and 129 transitions. [2021-11-22 23:16:17,630 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-11-22 23:16:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:17,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:17,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:24,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 93 states and 128 transitions. [2021-11-22 23:16:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 128 transitions. [2021-11-22 23:16:24,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:24,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:24,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:26,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 88 states and 122 transitions. [2021-11-22 23:16:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 122 transitions. [2021-11-22 23:16:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:16:26,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:26,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2021-11-22 23:16:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2021-11-22 23:16:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:16:28,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:28,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:59,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 94 states and 134 transitions. [2021-11-22 23:16:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2021-11-22 23:16:59,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:16:59,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:59,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:01,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 133 transitions. [2021-11-22 23:17:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2021-11-22 23:17:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:01,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 89 states and 126 transitions. [2021-11-22 23:17:03,419 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-11-22 23:17:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:03,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:03,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 94 states and 134 transitions. [2021-11-22 23:17:10,418 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2021-11-22 23:17:10,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:10,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 96 states and 137 transitions. [2021-11-22 23:17:11,392 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2021-11-22 23:17:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:11,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:17:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:18,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 102 states and 147 transitions. [2021-11-22 23:17:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2021-11-22 23:17:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:18,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:18,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:17:26,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 108 states and 156 transitions. [2021-11-22 23:17:26,687 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2021-11-22 23:17:26,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:17:26,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:33,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 113 states and 164 transitions. [2021-11-22 23:17:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2021-11-22 23:17:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:17:33,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,650 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 120 states and 175 transitions. [2021-11-22 23:18:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 175 transitions. [2021-11-22 23:18:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:18:00,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:18:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 57 states and 62 transitions. [2021-11-22 23:18:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2021-11-22 23:18:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:18:06,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:18:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 78 transitions. [2021-11-22 23:18:57,520 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2021-11-22 23:18:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:18:57,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:18:59,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 73 states and 77 transitions. [2021-11-22 23:18:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2021-11-22 23:18:59,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:18:59,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:19:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 56 states and 59 transitions. [2021-11-22 23:19:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2021-11-22 23:19:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:19:01,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:19:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 58 states and 63 transitions. [2021-11-22 23:19:29,132 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2021-11-22 23:19:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:19:29,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:12,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2021-11-22 23:20:12,515 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2021-11-22 23:20:12,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:20:12,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:12,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:20:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 72 transitions. [2021-11-22 23:20:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2021-11-22 23:20:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:20:19,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:19,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:29,178 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 65 states and 77 transitions. [2021-11-22 23:21:00,305 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2021-11-22 23:21:00,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:21:00,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:22:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2021-11-22 23:22:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2021-11-22 23:22:19,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:22:19,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:19,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:20,024 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:22:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 102 transitions. [2021-11-22 23:22:22,908 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2021-11-22 23:22:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:22:22,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:22,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:22:25,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:25,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 68 states and 83 transitions. [2021-11-22 23:22:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2021-11-22 23:22:25,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:22:25,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:25,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:24:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:20,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2021-11-22 23:24:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2021-11-22 23:24:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:24:20,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:20,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:24:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 94 states and 115 transitions. [2021-11-22 23:24:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2021-11-22 23:24:29,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:24:29,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:29,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:24:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2021-11-22 23:24:32,658 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2021-11-22 23:24:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:24:32,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:32,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:24:36,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 76 states and 95 transitions. [2021-11-22 23:24:36,528 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions. [2021-11-22 23:24:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:24:36,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:36,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:36,551 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:24:42,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:42,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 75 states and 94 transitions. [2021-11-22 23:24:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2021-11-22 23:24:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:24:42,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:42,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:25:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:35,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 76 states and 95 transitions. [2021-11-22 23:25:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions. [2021-11-22 23:25:35,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:25:35,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:35,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:25:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 80 states and 101 transitions. [2021-11-22 23:25:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2021-11-22 23:25:46,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:25:46,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:46,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.