./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:37:46,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:37:46,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-08 22:37:46,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:37:46,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:37:46,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:37:46,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:37:46,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:37:46,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:37:46,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:37:46,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:37:46,980 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:37:46,980 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:37:46,982 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 22:37:46,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:37:46,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:37:46,984 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:37:46,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:37:46,984 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:37:46,985 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:37:46,989 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:37:46,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:37:46,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:37:46,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:37:46,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:37:46,991 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:37:46,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:37:46,991 INFO L153 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_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 [2024-11-08 22:37:47,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:37:47,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:37:47,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:37:47,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:37:47,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:37:47,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-dietlibc/strlcpy.i Unable to find full path for "g++" [2024-11-08 22:37:49,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:37:49,801 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:37:49,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2024-11-08 22:37:49,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/data/7235b5715/183083acc0dd40858720e001b03c7703/FLAG2cf8354b9 [2024-11-08 22:37:49,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/data/7235b5715/183083acc0dd40858720e001b03c7703 [2024-11-08 22:37:49,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:37:49,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:37:49,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:37:49,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:37:49,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:37:49,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:37:49" (1/1) ... [2024-11-08 22:37:49,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d89328f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:49, skipping insertion in model container [2024-11-08 22:37:49,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:37:49" (1/1) ... [2024-11-08 22:37:49,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:37:50,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:37:50,366 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:37:50,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:37:50,452 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:37:50,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50 WrapperNode [2024-11-08 22:37:50,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:37:50,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:37:50,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:37:50,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:37:50,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,500 INFO L138 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-08 22:37:50,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:37:50,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:37:50,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:37:50,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:37:50,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:37:50,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:37:50,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:37:50,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:37:50,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:37:50" (1/1) ... [2024-11-08 22:37:50,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:37:50,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:37:50,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:37:50,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:37:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:37:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:37:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:37:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:37:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:37:50,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:37:50,712 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:37:50,714 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:37:51,029 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-08 22:37:51,030 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:37:51,091 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:37:51,091 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:37:51,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:37:51 BoogieIcfgContainer [2024-11-08 22:37:51,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:37:51,093 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:37:51,093 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:37:51,105 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:37:51,106 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:37:51" (1/1) ... [2024-11-08 22:37:51,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:37:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-11-08 22:37:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-08 22:37:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:37:51,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:51,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-11-08 22:37:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-11-08 22:37:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:37:51,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:51,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2024-11-08 22:37:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2024-11-08 22:37:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:37:51,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:51,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:52,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:52,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-11-08 22:37:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-08 22:37:52,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:37:52,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:52,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-11-08 22:37:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-08 22:37:52,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:37:52,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:52,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-11-08 22:37:53,448 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-11-08 22:37:53,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:37:53,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:53,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:54,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-11-08 22:37:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-08 22:37:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:37:54,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:54,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:54,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:54,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2024-11-08 22:37:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-11-08 22:37:54,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:37:54,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:54,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2024-11-08 22:37:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2024-11-08 22:37:56,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:37:56,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:56,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:58,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:58,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2024-11-08 22:37:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2024-11-08 22:37:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:37:58,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:58,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:37:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2024-11-08 22:37:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2024-11-08 22:37:59,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:37:59,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:59,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:59,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:00,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2024-11-08 22:38:00,652 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2024-11-08 22:38:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:38:00,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:00,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:01,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2024-11-08 22:38:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2024-11-08 22:38:01,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:38:01,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:01,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:04,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:04,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2024-11-08 22:38:04,084 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2024-11-08 22:38:04,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:38:04,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:04,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:04,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2024-11-08 22:38:04,162 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2024-11-08 22:38:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:38:04,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:04,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:06,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2024-11-08 22:38:06,045 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2024-11-08 22:38:06,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:38:06,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:06,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:07,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:07,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 61 states and 113 transitions. [2024-11-08 22:38:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2024-11-08 22:38:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:38:07,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:07,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 65 states and 121 transitions. [2024-11-08 22:38:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 121 transitions. [2024-11-08 22:38:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:38:08,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:08,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:09,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 71 states and 136 transitions. [2024-11-08 22:38:14,126 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2024-11-08 22:38:14,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:38:14,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:14,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:15,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 138 transitions. [2024-11-08 22:38:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2024-11-08 22:38:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:38:15,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:15,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 75 states and 152 transitions. [2024-11-08 22:38:17,366 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 152 transitions. [2024-11-08 22:38:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:38:17,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:17,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:18,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 82 states and 177 transitions. [2024-11-08 22:38:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 177 transitions. [2024-11-08 22:38:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:38:25,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:26,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 84 states and 178 transitions. [2024-11-08 22:38:26,732 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 178 transitions. [2024-11-08 22:38:26,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:38:26,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:26,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:26,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:28,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 89 states and 191 transitions. [2024-11-08 22:38:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 191 transitions. [2024-11-08 22:38:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:38:28,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:30,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 90 states and 193 transitions. [2024-11-08 22:38:30,073 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 193 transitions. [2024-11-08 22:38:30,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:38:30,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:30,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:30,115 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:38:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:30,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:38:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:30,258 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-08 22:38:30,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:38:30 ImpRootNode [2024-11-08 22:38:30,308 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:38:30,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:38:30,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:38:30,309 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:38:30,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:37:51" (3/4) ... [2024-11-08 22:38:30,311 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:38:30,378 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:38:30,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:38:30,379 INFO L158 Benchmark]: Toolchain (without parser) took 40542.30ms. Allocated memory was 134.2MB in the beginning and 272.6MB in the end (delta: 138.4MB). Free memory was 94.1MB in the beginning and 218.0MB in the end (delta: -123.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-08 22:38:30,379 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 134.2MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:30,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.39ms. Allocated memory is still 134.2MB. Free memory was 94.1MB in the beginning and 75.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:38:30,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.55ms. Allocated memory is still 134.2MB. Free memory was 75.2MB in the beginning and 73.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:38:30,381 INFO L158 Benchmark]: Boogie Preprocessor took 31.47ms. Allocated memory is still 134.2MB. Free memory was 73.1MB in the beginning and 71.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:38:30,381 INFO L158 Benchmark]: RCFGBuilder took 555.01ms. Allocated memory is still 134.2MB. Free memory was 71.9MB in the beginning and 53.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:38:30,382 INFO L158 Benchmark]: CodeCheck took 39215.27ms. Allocated memory was 134.2MB in the beginning and 272.6MB in the end (delta: 138.4MB). Free memory was 53.8MB in the beginning and 220.1MB in the end (delta: -166.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:30,388 INFO L158 Benchmark]: Witness Printer took 69.53ms. Allocated memory is still 272.6MB. Free memory was 220.1MB in the beginning and 218.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:38:30,390 INFO L338 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, 30 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 39.1s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1652 SdHoareTripleChecker+Valid, 12.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1326 mSDsluCounter, 3406 SdHoareTripleChecker+Invalid, 10.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2900 mSDsCounter, 1434 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4366 IncrementalHoareTripleChecker+Invalid, 5800 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1434 mSolverCounterUnsat, 506 mSDtfsCounter, 4366 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2323 GetRequests, 1991 SyntacticMatches, 28 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38429 ImplicationChecksByTransitivity, 34.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 1280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 3/8 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: [L529] int in_len = __VERIFIER_nondet_int(); [L530] COND FALSE !(in_len < 1) [L531] char* in = __builtin_alloca (in_len); VAL [in={2:0}, in_len=2147482042] [L532] in[in_len-1]=0 [L533] int out_len = __VERIFIER_nondet_int(); [L534] COND FALSE !(out_len < 1) [L535] char* out = __builtin_alloca (out_len); [L536] CALL strlcpy(in, out, out_len) [L511] register char *d = dst; [L512] register const char *s = src; [L513] register size_t n = siz; [L514] n != 0 && --n != 0 [L514] EXPR --n [L514] n != 0 && --n != 0 VAL [d={2:0}, n=0, s={3:0}, siz=1] [L514] COND FALSE !(n != 0 && --n != 0) [L520] COND TRUE n == 0 VAL [d={2:0}, s={3:0}, siz=1] [L521] COND TRUE siz != 0 VAL [d={2:0}, s={3:0}] [L522] *d = '\0' VAL [s={3:0}] [L523] EXPR s++ VAL [s={3:1}] [L523] COND TRUE *s++ * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 134.2MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.39ms. Allocated memory is still 134.2MB. Free memory was 94.1MB in the beginning and 75.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.55ms. Allocated memory is still 134.2MB. Free memory was 75.2MB in the beginning and 73.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.47ms. Allocated memory is still 134.2MB. Free memory was 73.1MB in the beginning and 71.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.01ms. Allocated memory is still 134.2MB. Free memory was 71.9MB in the beginning and 53.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 39215.27ms. Allocated memory was 134.2MB in the beginning and 272.6MB in the end (delta: 138.4MB). Free memory was 53.8MB in the beginning and 220.1MB in the end (delta: -166.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.53ms. Allocated memory is still 272.6MB. Free memory was 220.1MB in the beginning and 218.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:38:30,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73f1c17e-9127-48fc-bd96-7f6bae2148aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)