./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_append_equal.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_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/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_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_append_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/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_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/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 208d04089fa2c50848123d29dd18b6b2021c1b591464bd422fd10955aaeec7fc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:12:17,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:12:17,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:12:17,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:12:17,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:12:17,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:12:17,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:12:17,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:12:17,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:12:17,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:12:17,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:12:17,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:12:17,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:12:17,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:12:17,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:12:17,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:12:17,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:12:17,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:12:17,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:12:17,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:12:17,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:12:17,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:12:17,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:12:17,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:12:17,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:12:17,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:12:17,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:12:17,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:12:17,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:12:17,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:12:17,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:12:17,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:12:17,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:12:17,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:12:17,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:12:17,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:12:17,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:12:17,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:12:17,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:12:17,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:12:17,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:12:17,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:12:17,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:12:17,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:12:17,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:12:17,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:12:17,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:12:17,479 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:12:17,479 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:12:17,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:12:17,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:12:17,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:12:17,481 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:12:17,487 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:12:17,488 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:12:17,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:12:17,488 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:12:17,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:12:17,489 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:12:17,489 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:12:17,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:12:17,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:12:17,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:12:17,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:12:17,490 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:12:17,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:12:17,491 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_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 208d04089fa2c50848123d29dd18b6b2021c1b591464bd422fd10955aaeec7fc [2021-11-23 01:12:17,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:12:17,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:12:17,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:12:17,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:12:17,838 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:12:17,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/dll2c_append_equal.i [2021-11-23 01:12:17,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/data/01d4a432a/2fba7099ada444a5b7b352d2d9960891/FLAG2cf13bf80 [2021-11-23 01:12:18,505 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:12:18,506 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/sv-benchmarks/c/list-simple/dll2c_append_equal.i [2021-11-23 01:12:18,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/data/01d4a432a/2fba7099ada444a5b7b352d2d9960891/FLAG2cf13bf80 [2021-11-23 01:12:18,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/data/01d4a432a/2fba7099ada444a5b7b352d2d9960891 [2021-11-23 01:12:18,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:12:18,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:12:18,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:12:18,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:12:18,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:12:18,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:18" (1/1) ... [2021-11-23 01:12:18,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591b0054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:18, skipping insertion in model container [2021-11-23 01:12:18,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:18" (1/1) ... [2021-11-23 01:12:18,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:12:18,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:12:19,266 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_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/sv-benchmarks/c/list-simple/dll2c_append_equal.i[24585,24598] [2021-11-23 01:12:19,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:12:19,283 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:12:19,359 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_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/sv-benchmarks/c/list-simple/dll2c_append_equal.i[24585,24598] [2021-11-23 01:12:19,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:12:19,399 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:12:19,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19 WrapperNode [2021-11-23 01:12:19,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:12:19,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:12:19,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:12:19,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:12:19,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19" (1/1) ... [2021-11-23 01:12:19,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19" (1/1) ... [2021-11-23 01:12:19,474 INFO L137 Inliner]: procedures = 127, calls = 47, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 168 [2021-11-23 01:12:19,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:12:19,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:12:19,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:12:19,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:12:19,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19" (1/1) ... [2021-11-23 01:12:19,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19" (1/1) ... [2021-11-23 01:12:19,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19" (1/1) ... [2021-11-23 01:12:19,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19" (1/1) ... [2021-11-23 01:12:19,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19" (1/1) ... [2021-11-23 01:12:19,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19" (1/1) ... [2021-11-23 01:12:19,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19" (1/1) ... [2021-11-23 01:12:19,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:12:19,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:12:19,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:12:19,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:12:19,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:19" (1/1) ... [2021-11-23 01:12:19,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:12:19,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:12:19,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:12:19,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5f2728-8581-4ff4-8b43-7b6d4ebdae63/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:12:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:12:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:12:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:12:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:12:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:12:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:12:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:12:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:12:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:12:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:12:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:12:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:12:19,705 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:12:19,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:12:20,247 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:12:20,294 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:12:20,294 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:12:20,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:20 BoogieIcfgContainer [2021-11-23 01:12:20,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:12:20,299 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:12:20,299 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:12:20,311 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:12:20,312 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:20" (1/1) ... [2021-11-23 01:12:20,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:12:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 131 states and 142 transitions. [2021-11-23 01:12:20,417 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2021-11-23 01:12:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:12:20,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:20,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:20,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 141 transitions. [2021-11-23 01:12:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 141 transitions. [2021-11-23 01:12:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:12:20,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:20,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 129 states and 140 transitions. [2021-11-23 01:12:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2021-11-23 01:12:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:12:20,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:20,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 128 states and 139 transitions. [2021-11-23 01:12:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 139 transitions. [2021-11-23 01:12:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:12:20,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:20,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:20,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 127 states and 138 transitions. [2021-11-23 01:12:20,971 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2021-11-23 01:12:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:12:20,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:20,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 126 states and 137 transitions. [2021-11-23 01:12:21,023 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 137 transitions. [2021-11-23 01:12:21,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:12:21,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 125 states and 136 transitions. [2021-11-23 01:12:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2021-11-23 01:12:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:12:21,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 126 states and 138 transitions. [2021-11-23 01:12:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 138 transitions. [2021-11-23 01:12:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:12:21,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 125 states and 137 transitions. [2021-11-23 01:12:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2021-11-23 01:12:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:12:21,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 124 states and 136 transitions. [2021-11-23 01:12:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 136 transitions. [2021-11-23 01:12:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:12:21,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 123 states and 135 transitions. [2021-11-23 01:12:21,571 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 135 transitions. [2021-11-23 01:12:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:12:21,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 122 states and 134 transitions. [2021-11-23 01:12:21,643 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 134 transitions. [2021-11-23 01:12:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:12:21,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 121 states and 133 transitions. [2021-11-23 01:12:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 133 transitions. [2021-11-23 01:12:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:12:21,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 120 states and 132 transitions. [2021-11-23 01:12:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 132 transitions. [2021-11-23 01:12:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:12:21,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 119 states and 131 transitions. [2021-11-23 01:12:21,784 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2021-11-23 01:12:21,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:12:21,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 118 states and 130 transitions. [2021-11-23 01:12:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2021-11-23 01:12:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:12:21,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:21,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:22,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 126 states and 143 transitions. [2021-11-23 01:12:22,588 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2021-11-23 01:12:22,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:12:22,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:22,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 134 states and 156 transitions. [2021-11-23 01:12:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2021-11-23 01:12:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:12:23,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:23,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:24,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:24,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 140 states and 163 transitions. [2021-11-23 01:12:24,408 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2021-11-23 01:12:24,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:12:24,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:24,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 151 states and 191 transitions. [2021-11-23 01:12:25,990 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 191 transitions. [2021-11-23 01:12:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:12:25,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:25,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 162 states and 222 transitions. [2021-11-23 01:12:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 222 transitions. [2021-11-23 01:12:28,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:28,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:28,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:29,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:29,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 166 states and 235 transitions. [2021-11-23 01:12:29,869 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 235 transitions. [2021-11-23 01:12:29,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:12:29,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:29,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:30,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 170 states and 245 transitions. [2021-11-23 01:12:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 245 transitions. [2021-11-23 01:12:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:12:31,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:31,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 169 states and 244 transitions. [2021-11-23 01:12:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 244 transitions. [2021-11-23 01:12:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:12:31,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:31,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:32,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 168 states and 243 transitions. [2021-11-23 01:12:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 243 transitions. [2021-11-23 01:12:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:12:32,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:32,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:32,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:32,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 167 states and 242 transitions. [2021-11-23 01:12:32,061 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 242 transitions. [2021-11-23 01:12:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:12:32,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:32,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 166 states and 241 transitions. [2021-11-23 01:12:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2021-11-23 01:12:32,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:12:32,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:32,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 165 states and 240 transitions. [2021-11-23 01:12:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 240 transitions. [2021-11-23 01:12:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:12:32,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:32,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:32,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 164 states and 239 transitions. [2021-11-23 01:12:32,262 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 239 transitions. [2021-11-23 01:12:32,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:12:32,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:32,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:36,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 181 states and 278 transitions. [2021-11-23 01:12:36,703 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 278 transitions. [2021-11-23 01:12:36,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:12:36,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:36,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 198 states and 315 transitions. [2021-11-23 01:12:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 315 transitions. [2021-11-23 01:12:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:12:42,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:42,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:44,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:44,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 206 states and 329 transitions. [2021-11-23 01:12:44,933 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 329 transitions. [2021-11-23 01:12:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:12:44,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:44,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 208 states and 333 transitions. [2021-11-23 01:12:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 333 transitions. [2021-11-23 01:12:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:12:45,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:45,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 210 states and 337 transitions. [2021-11-23 01:12:46,802 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2021-11-23 01:12:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:12:46,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:46,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 211 states and 340 transitions. [2021-11-23 01:12:47,355 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 340 transitions. [2021-11-23 01:12:47,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:12:47,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:47,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 213 states and 346 transitions. [2021-11-23 01:12:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 346 transitions. [2021-11-23 01:12:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:12:49,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:49,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 99 states and 107 transitions. [2021-11-23 01:12:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2021-11-23 01:12:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:12:49,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:49,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 98 states and 106 transitions. [2021-11-23 01:12:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2021-11-23 01:12:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:12:49,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:49,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:50,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:12:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:50,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 97 states and 105 transitions. [2021-11-23 01:12:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2021-11-23 01:12:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:12:50,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:50,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 96 states and 104 transitions. [2021-11-23 01:12:56,031 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2021-11-23 01:12:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:12:56,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:56,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 95 states and 103 transitions. [2021-11-23 01:13:01,847 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2021-11-23 01:13:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:13:01,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:01,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:01,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 94 states and 102 transitions. [2021-11-23 01:13:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2021-11-23 01:13:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:13:02,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:02,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 93 states and 101 transitions. [2021-11-23 01:13:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2021-11-23 01:13:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:13:03,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:03,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:14,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 92 states and 100 transitions. [2021-11-23 01:13:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2021-11-23 01:13:14,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:13:14,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:14,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions. [2021-11-23 01:13:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2021-11-23 01:13:28,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:13:28,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:28,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:28,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:31,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 90 states and 98 transitions. [2021-11-23 01:13:31,082 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2021-11-23 01:13:31,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:13:31,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:31,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:33,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 89 states and 97 transitions. [2021-11-23 01:13:33,321 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2021-11-23 01:13:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:13:33,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:33,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 91 states and 100 transitions. [2021-11-23 01:13:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2021-11-23 01:13:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:13:40,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:40,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 93 states and 103 transitions. [2021-11-23 01:13:48,662 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2021-11-23 01:13:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:13:48,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:48,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:50,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 92 states and 102 transitions. [2021-11-23 01:13:50,444 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2021-11-23 01:13:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:13:50,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:50,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 91 states and 101 transitions. [2021-11-23 01:13:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2021-11-23 01:13:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:13:52,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:52,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:53,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2021-11-23 01:13:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2021-11-23 01:13:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:13:56,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:56,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 97 states and 112 transitions. [2021-11-23 01:14:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2021-11-23 01:14:01,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:14:01,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:01,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:02,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 96 states and 111 transitions. [2021-11-23 01:14:02,593 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2021-11-23 01:14:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:14:02,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:02,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 95 states and 110 transitions. [2021-11-23 01:14:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2021-11-23 01:14:03,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:14:03,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:03,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:03,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 94 states and 109 transitions. [2021-11-23 01:14:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions. [2021-11-23 01:14:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:14:03,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:03,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 93 states and 108 transitions. [2021-11-23 01:14:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions. [2021-11-23 01:14:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:14:03,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:03,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:05,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2021-11-23 01:14:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2021-11-23 01:14:17,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:14:17,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:17,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:19,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:29,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:29,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 88 states and 100 transitions. [2021-11-23 01:14:29,691 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions. [2021-11-23 01:14:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:14:29,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:29,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 87 states and 99 transitions. [2021-11-23 01:14:50,193 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2021-11-23 01:14:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:14:50,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:50,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:59,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 84 states and 95 transitions. [2021-11-23 01:14:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2021-11-23 01:14:59,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:14:59,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:59,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:08,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2021-11-23 01:15:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2021-11-23 01:15:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:15:08,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:08,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2021-11-23 01:15:14,489 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2021-11-23 01:15:14,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:15:14,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:14,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 77 states and 83 transitions. [2021-11-23 01:15:33,325 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2021-11-23 01:15:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:15:33,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:33,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2021-11-23 01:16:27,998 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2021-11-23 01:16:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:16:27,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:27,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2021-11-23 01:16:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2021-11-23 01:16:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:16:29,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:29,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:47,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2021-11-23 01:16:47,519 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-11-23 01:16:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:16:47,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:47,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:51,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:51,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 84 states and 95 transitions. [2021-11-23 01:16:51,733 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2021-11-23 01:16:51,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:16:51,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:51,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 88 states and 102 transitions. [2021-11-23 01:16:56,557 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2021-11-23 01:16:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:16:56,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:56,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 93 states and 111 transitions. [2021-11-23 01:18:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2021-11-23 01:18:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:20,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 98 states and 120 transitions. [2021-11-23 01:19:34,273 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2021-11-23 01:19:34,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:19:34,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:34,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:50,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 103 states and 135 transitions. [2021-11-23 01:20:55,194 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 135 transitions. [2021-11-23 01:20:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:20:55,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:55,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:18,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:06,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:06,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 108 states and 144 transitions. [2021-11-23 01:23:06,009 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2021-11-23 01:23:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:23:06,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:06,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:23:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:08,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 109 states and 145 transitions. [2021-11-23 01:23:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 145 transitions. [2021-11-23 01:23:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:23:08,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:08,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:23:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 109 states and 144 transitions. [2021-11-23 01:23:10,935 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2021-11-23 01:23:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:23:10,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:10,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.