./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_append_unequal.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_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/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_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/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_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/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 d83e632829c1e193271bd76b90e08187eb94c70000e5f11d7aea101b3ec9a9e6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:31:18,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:31:18,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:31:18,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:31:18,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:31:18,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:31:18,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:31:18,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:31:18,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:31:18,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:31:18,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:31:18,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:31:18,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:31:18,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:31:18,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:31:18,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:31:18,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:31:18,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:31:18,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:31:18,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:31:18,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:31:18,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:31:18,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:31:18,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:31:18,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:31:18,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:31:18,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:31:18,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:31:18,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:31:18,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:31:18,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:31:18,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:31:18,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:31:18,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:31:18,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:31:18,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:31:18,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:31:18,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:31:18,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:31:18,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:31:18,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:31:18,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:31:18,467 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:31:18,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:31:18,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:31:18,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:31:18,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:31:18,471 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:31:18,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:31:18,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:31:18,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:31:18,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:31:18,473 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:31:18,479 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:31:18,479 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:31:18,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:31:18,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:31:18,480 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:31:18,480 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:31:18,480 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:31:18,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:31:18,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:31:18,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:31:18,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:31:18,481 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:31:18,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:31:18,482 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_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d83e632829c1e193271bd76b90e08187eb94c70000e5f11d7aea101b3ec9a9e6 [2021-11-23 01:31:18,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:31:18,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:31:18,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:31:18,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:31:18,786 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:31:18,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/sll2c_append_unequal.i [2021-11-23 01:31:18,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/data/a22aa9cb3/97d342ada8d34ff0938ee9d2430c86cb/FLAGa39934615 [2021-11-23 01:31:19,468 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:31:19,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/sv-benchmarks/c/list-simple/sll2c_append_unequal.i [2021-11-23 01:31:19,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/data/a22aa9cb3/97d342ada8d34ff0938ee9d2430c86cb/FLAGa39934615 [2021-11-23 01:31:19,729 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/data/a22aa9cb3/97d342ada8d34ff0938ee9d2430c86cb [2021-11-23 01:31:19,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:31:19,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:31:19,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:31:19,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:31:19,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:31:19,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:19" (1/1) ... [2021-11-23 01:31:19,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa22306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:19, skipping insertion in model container [2021-11-23 01:31:19,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:19" (1/1) ... [2021-11-23 01:31:19,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:31:19,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:31:20,099 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_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/sv-benchmarks/c/list-simple/sll2c_append_unequal.i[24587,24600] [2021-11-23 01:31:20,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:20,115 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:31:20,194 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_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/sv-benchmarks/c/list-simple/sll2c_append_unequal.i[24587,24600] [2021-11-23 01:31:20,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:20,231 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:31:20,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20 WrapperNode [2021-11-23 01:31:20,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:31:20,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:31:20,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:31:20,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:31:20,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20" (1/1) ... [2021-11-23 01:31:20,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20" (1/1) ... [2021-11-23 01:31:20,316 INFO L137 Inliner]: procedures = 127, calls = 46, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 190 [2021-11-23 01:31:20,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:31:20,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:31:20,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:31:20,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:31:20,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20" (1/1) ... [2021-11-23 01:31:20,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20" (1/1) ... [2021-11-23 01:31:20,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20" (1/1) ... [2021-11-23 01:31:20,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20" (1/1) ... [2021-11-23 01:31:20,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20" (1/1) ... [2021-11-23 01:31:20,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20" (1/1) ... [2021-11-23 01:31:20,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20" (1/1) ... [2021-11-23 01:31:20,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:31:20,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:31:20,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:31:20,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:31:20,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:20" (1/1) ... [2021-11-23 01:31:20,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:31:20,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:31:20,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:31:20,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae1ebb78-890c-4bef-b5b6-54ea8b11d4a1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:31:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:31:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:31:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:31:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:31:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:31:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:31:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:31:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:31:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:31:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:31:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:31:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:31:20,668 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:31:20,670 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:31:21,165 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:31:21,288 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:31:21,289 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 01:31:21,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:21 BoogieIcfgContainer [2021-11-23 01:31:21,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:31:21,302 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:31:21,302 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:31:21,315 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:31:21,315 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:21" (1/1) ... [2021-11-23 01:31:21,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:21,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 123 states and 138 transitions. [2021-11-23 01:31:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2021-11-23 01:31:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:31:21,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:21,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:21,559 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 01:31:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 122 states and 137 transitions. [2021-11-23 01:31:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 137 transitions. [2021-11-23 01:31:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:31:21,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:21,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:21,693 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 01:31:21,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 121 states and 136 transitions. [2021-11-23 01:31:21,784 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 136 transitions. [2021-11-23 01:31:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:31:21,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:21,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:21,847 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 01:31:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 120 states and 135 transitions. [2021-11-23 01:31:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 135 transitions. [2021-11-23 01:31:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:31:21,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:21,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:21,934 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 01:31:21,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 119 states and 134 transitions. [2021-11-23 01:31:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 134 transitions. [2021-11-23 01:31:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:31:21,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:21,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,022 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 01:31:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 120 states and 136 transitions. [2021-11-23 01:31:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 136 transitions. [2021-11-23 01:31:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:31:22,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:22,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,236 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 01:31:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 119 states and 135 transitions. [2021-11-23 01:31:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 135 transitions. [2021-11-23 01:31:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:31:22,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:22,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,287 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 01:31:22,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 118 states and 134 transitions. [2021-11-23 01:31:22,307 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2021-11-23 01:31:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:31:22,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:22,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,347 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 01:31:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 117 states and 133 transitions. [2021-11-23 01:31:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2021-11-23 01:31:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:31:22,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:22,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 116 states and 132 transitions. [2021-11-23 01:31:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2021-11-23 01:31:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:31:22,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:22,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,528 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 01:31:22,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 115 states and 131 transitions. [2021-11-23 01:31:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2021-11-23 01:31:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:31:22,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:22,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,685 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 01:31:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 114 states and 130 transitions. [2021-11-23 01:31:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2021-11-23 01:31:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:31:22,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:22,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,996 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 01:31:23,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:23,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 113 states and 129 transitions. [2021-11-23 01:31:23,606 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 129 transitions. [2021-11-23 01:31:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:31:23,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:23,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:23,707 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 01:31:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:24,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 112 states and 128 transitions. [2021-11-23 01:31:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2021-11-23 01:31:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:31:24,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:24,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:24,575 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 01:31:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:24,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 111 states and 127 transitions. [2021-11-23 01:31:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2021-11-23 01:31:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:31:24,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:24,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:24,622 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 01:31:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 110 states and 126 transitions. [2021-11-23 01:31:24,641 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2021-11-23 01:31:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:31:24,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:24,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:24,664 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 01:31:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 109 states and 125 transitions. [2021-11-23 01:31:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2021-11-23 01:31:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:31:24,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:24,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:24,727 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 01:31:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:24,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 108 states and 124 transitions. [2021-11-23 01:31:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2021-11-23 01:31:24,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:31:24,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:24,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:25,162 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 01:31:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 119 states and 143 transitions. [2021-11-23 01:31:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 143 transitions. [2021-11-23 01:31:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:31:27,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:27,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:27,349 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 01:31:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:30,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 122 transitions. [2021-11-23 01:31:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2021-11-23 01:31:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:31:30,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:30,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:30,232 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 01:31:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 105 states and 121 transitions. [2021-11-23 01:31:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2021-11-23 01:31:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:31:30,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:30,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:30,517 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 01:31:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 104 states and 120 transitions. [2021-11-23 01:31:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2021-11-23 01:31:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:31:31,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:31,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:31,228 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 01:31:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 103 states and 119 transitions. [2021-11-23 01:31:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2021-11-23 01:31:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:31:31,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:31,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:32,039 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 01:31:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 102 states and 118 transitions. [2021-11-23 01:31:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2021-11-23 01:31:33,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:31:33,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:33,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:33,903 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 01:31:37,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:37,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 103 states and 119 transitions. [2021-11-23 01:31:37,080 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2021-11-23 01:31:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:31:37,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:37,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:38,027 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 01:31:42,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 104 states and 121 transitions. [2021-11-23 01:31:42,414 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2021-11-23 01:31:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:31:42,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:42,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:42,437 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 01:31:42,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:42,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 103 states and 120 transitions. [2021-11-23 01:31:42,785 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2021-11-23 01:31:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:31:42,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:42,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:42,813 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 01:31:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:43,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 102 states and 119 transitions. [2021-11-23 01:31:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2021-11-23 01:31:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:31:43,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:43,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:43,071 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 01:31:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 104 states and 123 transitions. [2021-11-23 01:31:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 123 transitions. [2021-11-23 01:31:43,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:31:43,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:43,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:43,503 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 01:31:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:43,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 106 states and 127 transitions. [2021-11-23 01:31:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 127 transitions. [2021-11-23 01:31:43,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:31:43,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:44,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:44,277 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 01:31:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 108 states and 130 transitions. [2021-11-23 01:31:47,339 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2021-11-23 01:31:47,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:31:47,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:47,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:47,870 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 01:31:51,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 110 states and 133 transitions. [2021-11-23 01:31:51,742 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2021-11-23 01:31:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:31:51,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:51,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:51,769 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 01:31:52,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 112 states and 137 transitions. [2021-11-23 01:31:52,267 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 137 transitions. [2021-11-23 01:31:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:31:52,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:52,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:52,475 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 01:31:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 114 states and 140 transitions. [2021-11-23 01:31:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2021-11-23 01:31:53,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:31:53,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:53,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:53,662 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 01:31:53,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 115 states and 141 transitions. [2021-11-23 01:31:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2021-11-23 01:31:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:31:53,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:53,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:53,708 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 01:31:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:53,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 116 states and 141 transitions. [2021-11-23 01:31:53,727 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2021-11-23 01:31:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:31:53,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:53,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:53,761 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 01:31:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 115 states and 140 transitions. [2021-11-23 01:31:53,774 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2021-11-23 01:31:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:31:53,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:53,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:53,961 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 01:31:53,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:53,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 116 states and 141 transitions. [2021-11-23 01:31:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2021-11-23 01:31:53,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:31:53,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:53,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:54,017 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 01:31:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 115 states and 140 transitions. [2021-11-23 01:31:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2021-11-23 01:31:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:31:54,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:54,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:54,519 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 01:31:54,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:54,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 118 states and 144 transitions. [2021-11-23 01:31:54,796 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2021-11-23 01:31:54,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:31:54,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:54,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:57,252 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 01:32:09,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:09,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 135 states and 177 transitions. [2021-11-23 01:32:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 177 transitions. [2021-11-23 01:32:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:32:09,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:09,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:11,070 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 01:32:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 145 states and 196 transitions. [2021-11-23 01:32:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 196 transitions. [2021-11-23 01:32:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:32:20,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:20,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:20,937 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 01:32:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 149 states and 202 transitions. [2021-11-23 01:32:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 202 transitions. [2021-11-23 01:32:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:32:22,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:22,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:23,903 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 01:32:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 153 states and 209 transitions. [2021-11-23 01:32:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 209 transitions. [2021-11-23 01:32:26,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:32:26,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:26,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:26,608 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 01:32:31,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:31,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 159 states and 222 transitions. [2021-11-23 01:32:31,279 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 222 transitions. [2021-11-23 01:32:31,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:32:31,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:31,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:31,311 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 01:32:36,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 165 states and 239 transitions. [2021-11-23 01:32:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 239 transitions. [2021-11-23 01:32:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:32:36,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:36,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:32:37,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 166 states and 240 transitions. [2021-11-23 01:32:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 240 transitions. [2021-11-23 01:32:37,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:32:37,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:37,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:32:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:38,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 166 states and 239 transitions. [2021-11-23 01:32:38,238 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 239 transitions. [2021-11-23 01:32:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:32:38,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:38,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:38,259 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 01:32:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:38,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 168 states and 243 transitions. [2021-11-23 01:32:38,950 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 243 transitions. [2021-11-23 01:32:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:32:38,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:38,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,127 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 01:32:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:39,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 170 states and 247 transitions. [2021-11-23 01:32:39,924 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 247 transitions. [2021-11-23 01:32:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:32:39,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:39,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,979 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 01:32:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 176 states and 261 transitions. [2021-11-23 01:32:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 261 transitions. [2021-11-23 01:32:47,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:32:47,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:47,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:47,515 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 01:32:54,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 182 states and 275 transitions. [2021-11-23 01:32:54,537 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 275 transitions. [2021-11-23 01:32:54,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:32:54,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:54,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:55,268 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 01:32:58,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 186 states and 284 transitions. [2021-11-23 01:32:58,697 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 284 transitions. [2021-11-23 01:32:58,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:32:58,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:58,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:59,585 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 01:33:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 190 states and 294 transitions. [2021-11-23 01:33:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 294 transitions. [2021-11-23 01:33:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:33:04,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:04,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:04,210 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 01:33:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:06,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 192 states and 300 transitions. [2021-11-23 01:33:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 300 transitions. [2021-11-23 01:33:06,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:33:06,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:06,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:06,335 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 01:33:09,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:09,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 194 states and 305 transitions. [2021-11-23 01:33:09,621 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 305 transitions. [2021-11-23 01:33:09,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:33:09,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:09,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 206 states and 340 transitions. [2021-11-23 01:33:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 340 transitions. [2021-11-23 01:33:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:33:30,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:30,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 207 states and 346 transitions. [2021-11-23 01:33:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 346 transitions. [2021-11-23 01:33:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:33:32,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:32,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 220 states and 389 transitions. [2021-11-23 01:33:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 389 transitions. [2021-11-23 01:33:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:33:56,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:56,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:34:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 227 states and 401 transitions. [2021-11-23 01:34:13,052 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 401 transitions. [2021-11-23 01:34:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:13,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:13,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:34:16,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 231 states and 405 transitions. [2021-11-23 01:34:17,000 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 405 transitions. [2021-11-23 01:34:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:17,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:17,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:20,043 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 01:34:40,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 242 states and 421 transitions. [2021-11-23 01:34:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 421 transitions. [2021-11-23 01:34:40,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:40,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:40,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:34:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 243 states and 423 transitions. [2021-11-23 01:34:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 423 transitions. [2021-11-23 01:34:42,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:42,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:42,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:34:44,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:44,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 244 states and 425 transitions. [2021-11-23 01:34:44,267 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 425 transitions. [2021-11-23 01:34:44,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:44,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:44,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:34:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 246 states and 431 transitions. [2021-11-23 01:34:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 431 transitions. [2021-11-23 01:34:47,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:47,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:47,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:34:51,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 248 states and 435 transitions. [2021-11-23 01:34:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 435 transitions. [2021-11-23 01:34:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:51,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:51,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:34:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 249 states and 436 transitions. [2021-11-23 01:34:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 436 transitions. [2021-11-23 01:34:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:52,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:52,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:34:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 250 states and 436 transitions. [2021-11-23 01:34:54,673 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 436 transitions. [2021-11-23 01:34:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:54,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:54,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:54,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:34:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:56,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 197 states and 345 transitions. [2021-11-23 01:34:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 345 transitions. [2021-11-23 01:34:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:34:56,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:56,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:56,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:34:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 198 states and 347 transitions. [2021-11-23 01:34:58,967 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 347 transitions. [2021-11-23 01:34:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:34:58,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:58,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:35:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 204 states and 366 transitions. [2021-11-23 01:35:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 366 transitions. [2021-11-23 01:35:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:35:08,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:35:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:12,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 206 states and 370 transitions. [2021-11-23 01:35:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 370 transitions. [2021-11-23 01:35:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:35:12,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:12,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:35:15,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 208 states and 372 transitions. [2021-11-23 01:35:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 372 transitions. [2021-11-23 01:35:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:35:15,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:15,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:15,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:35:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 209 states and 372 transitions. [2021-11-23 01:35:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 372 transitions. [2021-11-23 01:35:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:35:17,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:17,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:19,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:19,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 210 states and 373 transitions. [2021-11-23 01:35:19,937 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 373 transitions. [2021-11-23 01:35:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:35:19,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:19,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:20,424 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:27,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:27,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 213 states and 377 transitions. [2021-11-23 01:35:27,036 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 377 transitions. [2021-11-23 01:35:27,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:35:27,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:27,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 117 states and 158 transitions. [2021-11-23 01:35:31,593 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 158 transitions. [2021-11-23 01:35:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:35:31,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:31,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:14,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:14,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 123 states and 174 transitions. [2021-11-23 01:36:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 174 transitions. [2021-11-23 01:36:14,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:14,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:14,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:18,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:36,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 127 states and 182 transitions. [2021-11-23 01:36:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 182 transitions. [2021-11-23 01:36:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:36,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:36,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:45,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 128 states and 182 transitions. [2021-11-23 01:36:45,339 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 182 transitions. [2021-11-23 01:36:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:45,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:45,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:47,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 128 states and 181 transitions. [2021-11-23 01:36:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 181 transitions. [2021-11-23 01:36:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:47,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:47,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 128 states and 180 transitions. [2021-11-23 01:36:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 180 transitions. [2021-11-23 01:36:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:51,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:51,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:51,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 128 states and 179 transitions. [2021-11-23 01:36:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2021-11-23 01:36:54,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:54,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:54,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:57,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 125 states and 175 transitions. [2021-11-23 01:36:57,462 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2021-11-23 01:36:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:57,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:57,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:58,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:03,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:03,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 122 states and 168 transitions. [2021-11-23 01:37:03,223 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2021-11-23 01:37:03,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:37:03,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:03,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 121 states and 165 transitions. [2021-11-23 01:37:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 165 transitions. [2021-11-23 01:37:08,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:37:08,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:08,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:11,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 112 states and 153 transitions. [2021-11-23 01:37:11,861 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2021-11-23 01:37:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:37:11,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:11,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:37:13,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 113 states and 154 transitions. [2021-11-23 01:37:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 154 transitions. [2021-11-23 01:37:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:37:13,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:13,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:13,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:37:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:15,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 114 states and 155 transitions. [2021-11-23 01:37:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 155 transitions. [2021-11-23 01:37:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:37:15,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:15,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:15,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:37:19,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:19,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 115 states and 158 transitions. [2021-11-23 01:37:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2021-11-23 01:37:19,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:37:19,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:19,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:26,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:52,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 115 states and 158 transitions. [2021-11-23 01:37:52,599 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2021-11-23 01:37:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:37:52,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:52,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:59,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:59,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2021-11-23 01:37:59,384 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2021-11-23 01:37:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:59,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:59,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 116 states and 166 transitions. [2021-11-23 01:39:19,490 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2021-11-23 01:39:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:39:19,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 114 states and 170 transitions. [2021-11-23 01:40:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 170 transitions. [2021-11-23 01:40:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:40:24,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:24,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:38,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:23,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 117 states and 178 transitions. [2021-11-23 01:41:23,150 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 178 transitions. [2021-11-23 01:41:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:41:23,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:23,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:23,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:41:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:28,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 119 states and 184 transitions. [2021-11-23 01:41:28,195 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2021-11-23 01:41:28,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:41:28,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:28,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:41:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 120 states and 187 transitions. [2021-11-23 01:41:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 187 transitions. [2021-11-23 01:41:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:33,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:33,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:41:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:53,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 124 states and 200 transitions. [2021-11-23 01:41:53,365 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 200 transitions. [2021-11-23 01:41:53,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:53,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:53,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:42:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 128 states and 211 transitions. [2021-11-23 01:42:07,574 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 211 transitions. [2021-11-23 01:42:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:42:07,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:07,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:42:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 129 states and 215 transitions. [2021-11-23 01:42:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 215 transitions. [2021-11-23 01:42:12,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:42:12,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:12,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:42:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 130 states and 216 transitions. [2021-11-23 01:42:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2021-11-23 01:42:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:42:15,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:15,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.