./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcat.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcat.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash 4a2b4697f5c3b66d485090307ef74ec11d08954b2ae38adb1c0f438a86221c12 --- 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-2329fc7 [2022-12-15 03:35:40,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:35:40,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:35:40,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:35:40,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:35:40,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:35:40,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:35:40,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:35:40,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:35:40,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:35:40,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:35:40,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:35:40,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:35:40,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:35:40,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:35:40,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:35:40,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:35:40,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:35:40,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:35:40,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:35:40,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:35:40,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:35:40,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:35:40,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:35:40,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:35:40,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:35:40,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:35:40,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:35:40,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:35:40,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:35:40,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:35:40,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:35:40,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:35:40,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:35:40,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:35:40,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:35:40,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:35:40,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:35:40,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:35:40,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:35:40,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:35:40,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-15 03:35:40,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:35:40,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:35:40,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:35:40,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:35:40,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:35:40,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:35:40,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:35:40,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:35:40,550 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 03:35:40,550 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 03:35:40,550 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 03:35:40,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:35:40,550 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:35:40,551 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:35:40,551 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:35:40,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:35:40,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:35:40,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:35:40,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:35:40,552 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:35:40,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:35:40,552 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_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2b4697f5c3b66d485090307ef74ec11d08954b2ae38adb1c0f438a86221c12 [2022-12-15 03:35:40,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:35:40,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:35:40,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:35:40,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:35:40,797 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:35:40,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-dietlibc/strlcat.i [2022-12-15 03:35:43,376 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:35:43,570 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:35:43,570 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/sv-benchmarks/c/termination-dietlibc/strlcat.i [2022-12-15 03:35:43,582 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/data/eedddec25/ad1837a7ab2948ca975d0ea98a20ee65/FLAG65cdde304 [2022-12-15 03:35:43,963 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/data/eedddec25/ad1837a7ab2948ca975d0ea98a20ee65 [2022-12-15 03:35:43,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:35:43,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:35:43,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:35:43,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:35:43,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:35:43,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:35:43" (1/1) ... [2022-12-15 03:35:43,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79460a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:43, skipping insertion in model container [2022-12-15 03:35:43,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:35:43" (1/1) ... [2022-12-15 03:35:43,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:35:44,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:35:44,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:35:44,235 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:35:44,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:35:44,273 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:35:44,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44 WrapperNode [2022-12-15 03:35:44,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:35:44,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:35:44,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:35:44,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:35:44,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,303 INFO L138 Inliner]: procedures = 114, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2022-12-15 03:35:44,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:35:44,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:35:44,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:35:44,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:35:44,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,321 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:35:44,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:35:44,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:35:44,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:35:44,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:35:44,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:35:44,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:35:44,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:35:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:35:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:35:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:35:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:35:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:35:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:35:44,459 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:35:44,460 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:35:44,659 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:35:44,705 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:35:44,705 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 03:35:44,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:35:44 BoogieIcfgContainer [2022-12-15 03:35:44,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:35:44,709 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:35:44,709 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:35:44,719 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:35:44,719 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:35:44" (1/1) ... [2022-12-15 03:35:44,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:35:44,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:44,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2022-12-15 03:35:44,781 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-12-15 03:35:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 03:35:44,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:44,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:44,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2022-12-15 03:35:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2022-12-15 03:35:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 03:35:44,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:44,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:45,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2022-12-15 03:35:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2022-12-15 03:35:45,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 03:35:45,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:45,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:45,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2022-12-15 03:35:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-12-15 03:35:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:35:45,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:45,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:45,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2022-12-15 03:35:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-12-15 03:35:45,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:35:45,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:45,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:45,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2022-12-15 03:35:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-12-15 03:35:45,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:35:45,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:45,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:46,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2022-12-15 03:35:46,145 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-12-15 03:35:46,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 03:35:46,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:46,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2022-12-15 03:35:46,643 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-12-15 03:35:46,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 03:35:46,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:46,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:46,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:47,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2022-12-15 03:35:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-12-15 03:35:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:35:47,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:47,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:49,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2022-12-15 03:35:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-12-15 03:35:49,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:35:49,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:49,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:50,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:50,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2022-12-15 03:35:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-12-15 03:35:50,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:35:50,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:50,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2022-12-15 03:35:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2022-12-15 03:35:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:35:50,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:50,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2022-12-15 03:35:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2022-12-15 03:35:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:35:52,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:52,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:35:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2022-12-15 03:35:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2022-12-15 03:35:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:35:52,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:52,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:56,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2022-12-15 03:35:56,605 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2022-12-15 03:35:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:35:56,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:56,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:56,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:56,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2022-12-15 03:35:56,847 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2022-12-15 03:35:56,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:35:56,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:56,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:57,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2022-12-15 03:35:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2022-12-15 03:35:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:35:57,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:57,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 100 transitions. [2022-12-15 03:35:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2022-12-15 03:35:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:35:57,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:57,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:35:59,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:35:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2022-12-15 03:35:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2022-12-15 03:35:59,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:35:59,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:35:59,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:35:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:35:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:00,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:00,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2022-12-15 03:36:00,295 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2022-12-15 03:36:00,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:36:00,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:00,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:01,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:01,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2022-12-15 03:36:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2022-12-15 03:36:01,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:36:01,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:01,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 132 transitions. [2022-12-15 03:36:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2022-12-15 03:36:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:36:07,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:07,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 79 states and 137 transitions. [2022-12-15 03:36:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 137 transitions. [2022-12-15 03:36:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:36:08,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:08,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:08,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 82 states and 144 transitions. [2022-12-15 03:36:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 144 transitions. [2022-12-15 03:36:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:36:08,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:08,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:09,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 87 states and 154 transitions. [2022-12-15 03:36:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 154 transitions. [2022-12-15 03:36:12,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:36:12,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:12,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 95 states and 175 transitions. [2022-12-15 03:36:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 175 transitions. [2022-12-15 03:36:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:36:17,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:36:18,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 95 states and 174 transitions. [2022-12-15 03:36:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 174 transitions. [2022-12-15 03:36:18,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:18,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:18,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:25,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 103 states and 195 transitions. [2022-12-15 03:36:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 195 transitions. [2022-12-15 03:36:25,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:25,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:25,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 112 states and 220 transitions. [2022-12-15 03:36:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 220 transitions. [2022-12-15 03:36:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:33,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:33,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:33,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:33,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 113 states and 221 transitions. [2022-12-15 03:36:33,534 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 221 transitions. [2022-12-15 03:36:33,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:33,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:33,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:35,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 116 states and 227 transitions. [2022-12-15 03:36:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 227 transitions. [2022-12-15 03:36:35,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:35,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:35,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:37,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 119 states and 235 transitions. [2022-12-15 03:36:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 235 transitions. [2022-12-15 03:36:37,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:37,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:37,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:36:39,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 124 states and 250 transitions. [2022-12-15 03:36:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 250 transitions. [2022-12-15 03:36:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:39,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:39,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:36:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 253 transitions. [2022-12-15 03:36:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 253 transitions. [2022-12-15 03:36:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:41,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:41,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:42,026 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 128 states and 256 transitions. [2022-12-15 03:36:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 256 transitions. [2022-12-15 03:36:44,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:36:44,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:44,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:36:45,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 130 states and 258 transitions. [2022-12-15 03:36:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 258 transitions. [2022-12-15 03:36:45,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:36:45,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:45,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:36:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 132 states and 263 transitions. [2022-12-15 03:36:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 263 transitions. [2022-12-15 03:36:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:36:47,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:47,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:36:48,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 132 states and 262 transitions. [2022-12-15 03:36:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 262 transitions. [2022-12-15 03:36:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:36:48,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:48,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:48,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 133 states and 264 transitions. [2022-12-15 03:36:48,703 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 264 transitions. [2022-12-15 03:36:48,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:36:48,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:48,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:48,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:49,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 133 states and 263 transitions. [2022-12-15 03:36:49,084 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 263 transitions. [2022-12-15 03:36:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:36:49,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:49,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 137 states and 273 transitions. [2022-12-15 03:36:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 273 transitions. [2022-12-15 03:36:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:36:51,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:51,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:58,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 145 states and 296 transitions. [2022-12-15 03:36:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2022-12-15 03:36:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:36:58,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:58,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:58,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 03:36:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 145 states and 295 transitions. [2022-12-15 03:36:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 295 transitions. [2022-12-15 03:36:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:36:59,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:59,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:37:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 147 states and 302 transitions. [2022-12-15 03:37:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 302 transitions. [2022-12-15 03:37:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:37:00,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:00,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:37:01,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 149 states and 307 transitions. [2022-12-15 03:37:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 307 transitions. [2022-12-15 03:37:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:37:01,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:01,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:37:10,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 155 states and 323 transitions. [2022-12-15 03:37:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 323 transitions. [2022-12-15 03:37:10,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:37:10,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:10,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:37:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:10,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 155 states and 322 transitions. [2022-12-15 03:37:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 322 transitions. [2022-12-15 03:37:10,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:37:10,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:10,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:11,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:37:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 160 states and 337 transitions. [2022-12-15 03:37:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 337 transitions. [2022-12-15 03:37:15,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:37:15,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:15,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:37:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 167 states and 357 transitions. [2022-12-15 03:37:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 357 transitions. [2022-12-15 03:37:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:37:24,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:24,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:37:33,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:33,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 173 states and 375 transitions. [2022-12-15 03:37:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 375 transitions. [2022-12-15 03:37:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:37:33,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:33,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:37:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 176 states and 380 transitions. [2022-12-15 03:37:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 380 transitions. [2022-12-15 03:37:37,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:37:37,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:37,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:37:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 176 states and 379 transitions. [2022-12-15 03:37:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 379 transitions. [2022-12-15 03:37:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:37:38,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:38,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:37:44,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 178 states and 386 transitions. [2022-12-15 03:37:44,331 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 386 transitions. [2022-12-15 03:37:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:37:44,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:44,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:37:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 182 states and 399 transitions. [2022-12-15 03:37:48,689 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 399 transitions. [2022-12-15 03:37:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:37:48,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:48,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:37:50,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 183 states and 403 transitions. [2022-12-15 03:37:50,558 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 403 transitions. [2022-12-15 03:37:50,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:37:50,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:50,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-15 03:37:51,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:51,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 183 states and 402 transitions. [2022-12-15 03:37:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 402 transitions. [2022-12-15 03:37:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:37:51,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:51,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:37:52,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:37:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 183 states and 401 transitions. [2022-12-15 03:37:52,606 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 401 transitions. [2022-12-15 03:37:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:37:52,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:37:52,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:37:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:37:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:38:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:38:12,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 192 states and 430 transitions. [2022-12-15 03:38:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 430 transitions. [2022-12-15 03:38:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:38:12,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:38:12,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:38:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:38:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:38:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:38:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 198 states and 450 transitions. [2022-12-15 03:38:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 450 transitions. [2022-12-15 03:38:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:38:27,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:38:27,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:38:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:38:27,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:38:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:38:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 200 states and 452 transitions. [2022-12-15 03:38:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 452 transitions. [2022-12-15 03:38:29,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:38:29,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:38:29,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:38:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:38:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:38:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:38:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 204 states and 470 transitions. [2022-12-15 03:38:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 470 transitions. [2022-12-15 03:38:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:38:35,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:38:35,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:38:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:38:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:38:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:38:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 206 states and 472 transitions. [2022-12-15 03:38:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 472 transitions. [2022-12-15 03:38:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:38:37,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:38:37,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:38:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:38:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:38:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:38:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 210 states and 483 transitions. [2022-12-15 03:38:43,119 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 483 transitions. [2022-12-15 03:38:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:38:43,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:38:43,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:38:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:38:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:38:59,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:38:59,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 220 states and 522 transitions. [2022-12-15 03:38:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 522 transitions. [2022-12-15 03:38:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:38:59,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:38:59,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:38:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:38:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:39:00,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:39:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 221 states and 524 transitions. [2022-12-15 03:39:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 524 transitions. [2022-12-15 03:39:00,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:39:00,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:39:00,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:39:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:39:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:39:04,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:39:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 223 states and 529 transitions. [2022-12-15 03:39:04,787 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 529 transitions. [2022-12-15 03:39:04,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:39:04,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:39:04,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:39:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:39:04,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 03:39:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:39:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:39:04,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 03:39:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:39:04,872 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 66 iterations. [2022-12-15 03:39:04,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:39:04 ImpRootNode [2022-12-15 03:39:04,899 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:39:04,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:39:04,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:39:04,900 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:39:04,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:35:44" (3/4) ... [2022-12-15 03:39:04,901 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 03:39:04,936 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:39:04,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:39:04,937 INFO L158 Benchmark]: Toolchain (without parser) took 200967.68ms. Allocated memory was 123.7MB in the beginning and 453.0MB in the end (delta: 329.3MB). Free memory was 67.1MB in the beginning and 198.2MB in the end (delta: -131.1MB). Peak memory consumption was 199.0MB. Max. memory is 16.1GB. [2022-12-15 03:39:04,937 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:39:04,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.87ms. Allocated memory is still 123.7MB. Free memory was 67.0MB in the beginning and 89.6MB in the end (delta: -22.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-12-15 03:39:04,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.94ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 87.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:39:04,939 INFO L158 Benchmark]: Boogie Preprocessor took 19.15ms. Allocated memory is still 123.7MB. Free memory was 87.5MB in the beginning and 85.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:39:04,939 INFO L158 Benchmark]: RCFGBuilder took 384.60ms. Allocated memory is still 123.7MB. Free memory was 85.8MB in the beginning and 67.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 03:39:04,940 INFO L158 Benchmark]: CodeCheck took 200190.33ms. Allocated memory was 123.7MB in the beginning and 453.0MB in the end (delta: 329.3MB). Free memory was 67.7MB in the beginning and 201.4MB in the end (delta: -133.7MB). Peak memory consumption was 198.2MB. Max. memory is 16.1GB. [2022-12-15 03:39:04,941 INFO L158 Benchmark]: Witness Printer took 36.58ms. Allocated memory is still 453.0MB. Free memory was 201.4MB in the beginning and 198.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:39:04,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 41 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 200.1s, OverallIterations: 66, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12405 SdHoareTripleChecker+Valid, 69.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10621 mSDsluCounter, 9212 SdHoareTripleChecker+Invalid, 61.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7642 mSDsCounter, 12367 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51226 IncrementalHoareTripleChecker+Invalid, 63593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12367 mSolverCounterUnsat, 1570 mSDtfsCounter, 51226 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9441 GetRequests, 8340 SyntacticMatches, 171 SemanticMatches, 930 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404615 ImplicationChecksByTransitivity, 192.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 26.7s InterpolantComputationTime, 873 NumberOfCodeBlocks, 873 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 790 ConstructedInterpolants, 0 QuantifiedInterpolants, 6256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 65 InterpolantComputations, 48 PerfectInterpolantSequences, 94/196 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L538] int in_len = __VERIFIER_nondet_int(); [L539] COND FALSE !(in_len < 1) [L540] char* in = __builtin_alloca (in_len); VAL [__builtin_alloca (in_len)={3:0}, in={3:0}, in_len=1] [L541] in[in_len-1]=0 [L542] int out_len = __VERIFIER_nondet_int(); [L543] COND FALSE !(out_len < 1) [L544] char* out = __builtin_alloca (out_len); VAL [__builtin_alloca (in_len)={3:0}, __builtin_alloca (out_len)={2:0}, in={3:0}, in_len=1, out={2:0}, out_len=2147460248] [L545] out[out_len-1]=0 [L546] CALL strlcat(in, out, out_len) [L517] register char *d = dst; [L518] register const char *s = src; [L519] register size_t n = siz; [L520] size_t dlen; VAL [\old(siz)=2147460248, d={3:0}, dst={3:0}, dst={3:0}, n=2147460248, s={2:0}, siz=2147460248, src={2:0}, src={2:0}] [L521] EXPR \read(*d) [L521] *d != '\0' && n-- != 0 VAL [*d != '\0' && n-- != 0=0, \old(siz)=2147460248, \read(*d)=0, d={3:0}, dst={3:0}, dst={3:0}, n=2147460248, n--=0, s={2:0}, siz=2147460248, src={2:0}, src={2:0}] [L521] COND FALSE !(*d != '\0' && n-- != 0) [L523] dlen = d - dst [L524] n = siz - dlen VAL [\old(siz)=2147460248, d={3:0}, dlen=0, dst={3:0}, dst={3:0}, n=2147460248, s={2:0}, siz=2147460248, src={2:0}, src={2:0}] [L525] COND FALSE !(n == 0) VAL [\old(siz)=2147460248, d={3:0}, dlen=0, dst={3:0}, dst={3:0}, n=2147460248, s={2:0}, siz=2147460248, src={2:0}, src={2:0}] [L527] EXPR \read(*s) VAL [\old(siz)=2147460248, \read(*s)=13, d={3:0}, dlen=0, dst={3:0}, dst={3:0}, n=2147460248, s={2:0}, siz=2147460248, src={2:0}, src={2:0}] [L527] COND TRUE *s != '\0' [L528] COND TRUE n != 1 [L529] EXPR d++ VAL [\old(siz)=2147460248, d={3:1}, d++={3:0}, dlen=0, dst={3:0}, dst={3:0}, n=2147460248, s={2:0}, siz=2147460248, src={2:0}, src={2:0}] [L529] EXPR \read(*s) VAL [\old(siz)=2147460248, \read(*s)=13, d={3:1}, d++={3:0}, dlen=0, dst={3:0}, dst={3:0}, n=2147460248, s={2:0}, siz=2147460248, src={2:0}, src={2:0}] [L529] *d++ = *s [L530] n-- VAL [\old(siz)=2147460248, d={3:1}, dlen=0, dst={3:0}, dst={3:0}, n=2147460247, s={2:0}, siz=2147460248, src={2:0}, src={2:0}] [L532] s++ VAL [\old(siz)=2147460248, d={3:1}, dlen=0, dst={3:0}, dst={3:0}, n=2147460247, s={2:1}, siz=2147460248, src={2:0}, src={2:0}] [L527] EXPR \read(*s) VAL [\old(siz)=2147460248, \read(*s)=0, d={3:1}, dlen=0, dst={3:0}, dst={3:0}, n=2147460247, s={2:1}, siz=2147460248, src={2:0}, src={2:0}] [L527] COND FALSE !(*s != '\0') [L534] *d = '\0' * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.87ms. Allocated memory is still 123.7MB. Free memory was 67.0MB in the beginning and 89.6MB in the end (delta: -22.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.94ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 87.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.15ms. Allocated memory is still 123.7MB. Free memory was 87.5MB in the beginning and 85.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.60ms. Allocated memory is still 123.7MB. Free memory was 85.8MB in the beginning and 67.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 200190.33ms. Allocated memory was 123.7MB in the beginning and 453.0MB in the end (delta: 329.3MB). Free memory was 67.7MB in the beginning and 201.4MB in the end (delta: -133.7MB). Peak memory consumption was 198.2MB. Max. memory is 16.1GB. * Witness Printer took 36.58ms. Allocated memory is still 453.0MB. Free memory was 201.4MB in the beginning and 198.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 03:39:04,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c833f664-22e4-4600-a112-e4cda6044f5f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)