./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB --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 6070ac475d5b3c3d5905eb0c203232134efabc1c427fcfbbf8cf82789693617b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:51:22,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:22,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:22,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:22,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:22,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:22,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:22,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:22,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:22,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:22,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:22,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:22,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:22,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:22,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:22,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:22,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:22,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:22,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:22,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:22,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:22,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:22,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:22,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:22,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:22,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:22,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:22,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:22,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:22,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:22,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:22,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:22,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:22,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:22,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:22,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:22,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:22,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:22,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:22,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:22,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:22,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:51:22,490 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:22,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:22,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:22,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:22,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:22,491 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:22,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:51:22,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:22,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:22,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:22,492 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:51:22,492 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:51:22,492 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:51:22,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:22,493 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:22,493 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:22,493 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:22,493 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:22,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:22,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:22,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:22,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:22,494 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:22,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:22,495 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_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6070ac475d5b3c3d5905eb0c203232134efabc1c427fcfbbf8cf82789693617b [2022-10-17 16:51:22,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:22,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:22,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:22,832 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:22,833 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:22,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i [2022-10-17 16:51:22,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/data/adf28bf38/47b4fd04a21e4235b122ed6c153aaa90/FLAGf37ed3a42 [2022-10-17 16:51:23,519 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:23,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i [2022-10-17 16:51:23,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/data/adf28bf38/47b4fd04a21e4235b122ed6c153aaa90/FLAGf37ed3a42 [2022-10-17 16:51:23,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/data/adf28bf38/47b4fd04a21e4235b122ed6c153aaa90 [2022-10-17 16:51:23,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:23,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:23,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:23,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:23,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:23,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:23" (1/1) ... [2022-10-17 16:51:23,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c602997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:23, skipping insertion in model container [2022-10-17 16:51:23,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:23" (1/1) ... [2022-10-17 16:51:23,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:23,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:24,326 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_e594b33d-593d-460c-bd5f-9973867b22ff/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i[22480,22493] [2022-10-17 16:51:24,329 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_e594b33d-593d-460c-bd5f-9973867b22ff/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i[22552,22565] [2022-10-17 16:51:24,331 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_e594b33d-593d-460c-bd5f-9973867b22ff/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i[22704,22717] [2022-10-17 16:51:24,332 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_e594b33d-593d-460c-bd5f-9973867b22ff/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i[22778,22791] [2022-10-17 16:51:24,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:24,344 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:24,377 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_e594b33d-593d-460c-bd5f-9973867b22ff/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i[22480,22493] [2022-10-17 16:51:24,378 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_e594b33d-593d-460c-bd5f-9973867b22ff/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i[22552,22565] [2022-10-17 16:51:24,379 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_e594b33d-593d-460c-bd5f-9973867b22ff/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i[22704,22717] [2022-10-17 16:51:24,380 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_e594b33d-593d-460c-bd5f-9973867b22ff/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i[22778,22791] [2022-10-17 16:51:24,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:24,421 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:24,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24 WrapperNode [2022-10-17 16:51:24,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:24,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:24,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:24,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:24,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,506 INFO L138 Inliner]: procedures = 119, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 125 [2022-10-17 16:51:24,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:24,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:24,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:24,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:24,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,556 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:24,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:24,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:24,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:24,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:24" (1/1) ... [2022-10-17 16:51:24,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:24,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:24,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:24,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594b33d-593d-460c-bd5f-9973867b22ff/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:51:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:51:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:51:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:51:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:51:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:51:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:24,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:24,786 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:24,788 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:25,389 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:25,443 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:25,444 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:51:25,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:25 BoogieIcfgContainer [2022-10-17 16:51:25,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:25,448 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:25,448 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:25,463 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:25,463 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:25" (1/1) ... [2022-10-17 16:51:25,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 106 states and 124 transitions. [2022-10-17 16:51:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2022-10-17 16:51:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:51:25,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:25,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 105 states and 123 transitions. [2022-10-17 16:51:25,763 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2022-10-17 16:51:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:51:25,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:25,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 104 states and 122 transitions. [2022-10-17 16:51:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2022-10-17 16:51:26,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:51:26,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:26,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:26,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 103 states and 121 transitions. [2022-10-17 16:51:26,059 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-10-17 16:51:26,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:51:26,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:26,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 102 states and 120 transitions. [2022-10-17 16:51:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 120 transitions. [2022-10-17 16:51:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:26,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:26,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:26,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:26,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 101 states and 118 transitions. [2022-10-17 16:51:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2022-10-17 16:51:26,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:26,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:26,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:27,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:27,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 104 states and 124 transitions. [2022-10-17 16:51:27,095 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2022-10-17 16:51:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:27,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:27,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:27,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:27,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2022-10-17 16:51:27,180 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2022-10-17 16:51:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:27,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:27,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 104 states and 125 transitions. [2022-10-17 16:51:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2022-10-17 16:51:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:51:27,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:27,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:28,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 108 states and 130 transitions. [2022-10-17 16:51:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2022-10-17 16:51:28,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:51:28,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:28,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 110 states and 134 transitions. [2022-10-17 16:51:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2022-10-17 16:51:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:51:28,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:28,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:29,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:29,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 112 states and 138 transitions. [2022-10-17 16:51:29,630 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2022-10-17 16:51:29,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:29,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:29,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 118 states and 147 transitions. [2022-10-17 16:51:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 147 transitions. [2022-10-17 16:51:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:30,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:30,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:30,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 124 states and 157 transitions. [2022-10-17 16:51:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 157 transitions. [2022-10-17 16:51:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:30,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:30,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:30,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:30,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 123 states and 156 transitions. [2022-10-17 16:51:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2022-10-17 16:51:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:30,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:30,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 125 states and 158 transitions. [2022-10-17 16:51:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 158 transitions. [2022-10-17 16:51:31,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:31,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:31,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:31,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 124 states and 157 transitions. [2022-10-17 16:51:31,230 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 157 transitions. [2022-10-17 16:51:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:31,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:31,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:32,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 125 states and 159 transitions. [2022-10-17 16:51:32,064 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 159 transitions. [2022-10-17 16:51:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:32,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:32,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:32,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 132 states and 169 transitions. [2022-10-17 16:51:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 169 transitions. [2022-10-17 16:51:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:33,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:33,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:33,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 131 states and 168 transitions. [2022-10-17 16:51:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 168 transitions. [2022-10-17 16:51:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:33,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:33,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:34,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 133 states and 170 transitions. [2022-10-17 16:51:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 170 transitions. [2022-10-17 16:51:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:51:34,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:34,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 132 states and 169 transitions. [2022-10-17 16:51:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 169 transitions. [2022-10-17 16:51:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:51:34,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:34,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:34,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 131 states and 168 transitions. [2022-10-17 16:51:35,320 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 168 transitions. [2022-10-17 16:51:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:35,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:35,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 133 states and 172 transitions. [2022-10-17 16:51:35,554 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 172 transitions. [2022-10-17 16:51:35,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:35,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:35,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:35,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 137 states and 179 transitions. [2022-10-17 16:51:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 179 transitions. [2022-10-17 16:51:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:35,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:35,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:36,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 139 states and 182 transitions. [2022-10-17 16:51:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2022-10-17 16:51:36,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:36,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:36,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 141 states and 185 transitions. [2022-10-17 16:51:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2022-10-17 16:51:37,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:51:37,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:37,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 144 states and 189 transitions. [2022-10-17 16:51:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2022-10-17 16:51:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:51:38,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:38,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:38,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 143 states and 188 transitions. [2022-10-17 16:51:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2022-10-17 16:51:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:51:38,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:38,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:38,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:38,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 116 states and 146 transitions. [2022-10-17 16:51:38,899 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 146 transitions. [2022-10-17 16:51:38,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:51:38,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:38,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 119 states and 151 transitions. [2022-10-17 16:51:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 151 transitions. [2022-10-17 16:51:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:51:40,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:40,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:40,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:40,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 120 states and 153 transitions. [2022-10-17 16:51:40,714 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 153 transitions. [2022-10-17 16:51:40,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:51:40,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:40,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 122 states and 161 transitions. [2022-10-17 16:51:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 161 transitions. [2022-10-17 16:51:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:51:41,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 127 states and 166 transitions. [2022-10-17 16:51:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 166 transitions. [2022-10-17 16:51:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:42,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:42,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 140 states and 189 transitions. [2022-10-17 16:51:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 189 transitions. [2022-10-17 16:51:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:45,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:46,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 143 states and 193 transitions. [2022-10-17 16:51:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 193 transitions. [2022-10-17 16:51:46,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:51:46,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:46,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 156 states and 216 transitions. [2022-10-17 16:51:51,779 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 216 transitions. [2022-10-17 16:51:51,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:51:51,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 157 states and 218 transitions. [2022-10-17 16:51:52,266 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 218 transitions. [2022-10-17 16:51:52,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:52,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:52,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:52,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.