./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/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_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/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_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/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 c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 --- 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 00:47:59,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:47:59,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:47:59,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:47:59,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:47:59,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:47:59,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:47:59,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:47:59,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:47:59,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:47:59,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:47:59,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:47:59,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:47:59,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:47:59,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:47:59,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:47:59,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:47:59,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:47:59,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:47:59,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:47:59,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:47:59,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:47:59,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:47:59,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:47:59,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:47:59,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:47:59,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:47:59,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:47:59,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:47:59,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:47:59,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:47:59,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:47:59,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:47:59,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:47:59,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:47:59,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:47:59,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:47:59,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:47:59,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:47:59,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:47:59,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:47:59,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-15 00:47:59,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:47:59,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:47:59,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:47:59,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:47:59,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:47:59,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:47:59,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:47:59,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:47:59,511 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 00:47:59,512 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 00:47:59,512 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 00:47:59,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:47:59,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:47:59,512 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:47:59,513 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:47:59,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:47:59,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:47:59,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:47:59,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:47:59,514 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:47:59,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:47:59,514 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_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 [2022-12-15 00:47:59,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:47:59,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:47:59,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:47:59,735 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:47:59,735 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:47:59,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2022-12-15 00:48:02,400 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:48:02,583 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:48:02,583 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2022-12-15 00:48:02,591 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/data/cb742f15f/f1dbb4c29b0740bda057f5da55ec4f30/FLAG39dd0705a [2022-12-15 00:48:02,601 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/data/cb742f15f/f1dbb4c29b0740bda057f5da55ec4f30 [2022-12-15 00:48:02,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:48:02,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:48:02,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:48:02,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:48:02,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:48:02,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbd9263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02, skipping insertion in model container [2022-12-15 00:48:02,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:48:02,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:48:02,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:48:02,825 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:48:02,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:48:02,881 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:48:02,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02 WrapperNode [2022-12-15 00:48:02,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:48:02,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:48:02,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:48:02,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:48:02,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,910 INFO L138 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2022-12-15 00:48:02,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:48:02,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:48:02,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:48:02,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:48:02,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:48:02,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:48:02,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:48:02,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:48:02,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:02" (1/1) ... [2022-12-15 00:48:02,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:48:02,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:48:02,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:48:02,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:48:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:48:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:48:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:48:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:48:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:48:02,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:48:03,062 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:48:03,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:48:03,240 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:48:03,271 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:48:03,272 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 00:48:03,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:48:03 BoogieIcfgContainer [2022-12-15 00:48:03,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:48:03,274 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:48:03,274 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:48:03,282 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:48:03,282 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:48:03" (1/1) ... [2022-12-15 00:48:03,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:48:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2022-12-15 00:48:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-12-15 00:48:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 00:48:03,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:03,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:03,428 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 00:48:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:03,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2022-12-15 00:48:03,461 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-12-15 00:48:03,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 00:48:03,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:03,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:03,547 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 00:48:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2022-12-15 00:48:03,569 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-12-15 00:48:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 00:48:03,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:03,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:03,724 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 00:48:03,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2022-12-15 00:48:03,910 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-12-15 00:48:03,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:48:03,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:03,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:03,978 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 00:48:04,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:04,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2022-12-15 00:48:04,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2022-12-15 00:48:04,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 00:48:04,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:04,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:04,391 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 00:48:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2022-12-15 00:48:04,613 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-12-15 00:48:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 00:48:04,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:04,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:04,737 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 00:48:05,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2022-12-15 00:48:05,100 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-12-15 00:48:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:48:05,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:05,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:05,268 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 00:48:05,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:05,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2022-12-15 00:48:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2022-12-15 00:48:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:48:05,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:05,983 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 00:48:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2022-12-15 00:48:06,607 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2022-12-15 00:48:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:48:06,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:06,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:06,862 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 00:48:07,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:07,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2022-12-15 00:48:07,933 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2022-12-15 00:48:07,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:48:07,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:07,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:08,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2022-12-15 00:48:08,470 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2022-12-15 00:48:08,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:48:08,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:08,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:08,742 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 00:48:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:10,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2022-12-15 00:48:10,034 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2022-12-15 00:48:10,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:48:10,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:10,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:10,135 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 00:48:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2022-12-15 00:48:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2022-12-15 00:48:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:48:10,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:10,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:10,837 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 00:48:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2022-12-15 00:48:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2022-12-15 00:48:11,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:48:11,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:11,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:12,039 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 00:48:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:12,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2022-12-15 00:48:12,051 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2022-12-15 00:48:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:48:12,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:12,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:12,285 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 00:48:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:13,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2022-12-15 00:48:13,935 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2022-12-15 00:48:13,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:48:13,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:13,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:14,104 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 00:48:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:15,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 63 states and 116 transitions. [2022-12-15 00:48:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 116 transitions. [2022-12-15 00:48:16,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:48:16,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:16,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:16,106 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 00:48:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 65 states and 120 transitions. [2022-12-15 00:48:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2022-12-15 00:48:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:48:16,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:16,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:17,363 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 00:48:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 71 states and 135 transitions. [2022-12-15 00:48:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2022-12-15 00:48:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:48:21,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:21,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:48:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 74 states and 148 transitions. [2022-12-15 00:48:22,906 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 148 transitions. [2022-12-15 00:48:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:48:22,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:22,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:24,175 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 00:48:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 81 states and 172 transitions. [2022-12-15 00:48:30,255 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 172 transitions. [2022-12-15 00:48:30,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:48:30,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:30,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:48:31,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:31,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 83 states and 173 transitions. [2022-12-15 00:48:31,146 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 173 transitions. [2022-12-15 00:48:31,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:48:31,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:31,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:31,219 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 00:48:32,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 88 states and 186 transitions. [2022-12-15 00:48:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 186 transitions. [2022-12-15 00:48:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:48:32,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:32,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:48:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 89 states and 188 transitions. [2022-12-15 00:48:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 188 transitions. [2022-12-15 00:48:33,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:48:33,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:33,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:48:33,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:48:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:48:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:48:33,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:48:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:48:33,921 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2022-12-15 00:48:33,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:48:33 ImpRootNode [2022-12-15 00:48:33,943 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:48:33,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:48:33,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:48:33,944 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:48:33,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:48:03" (3/4) ... [2022-12-15 00:48:33,946 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 00:48:33,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:48:33,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:48:33,975 INFO L158 Benchmark]: Toolchain (without parser) took 31371.61ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 79.0MB in the beginning and 42.1MB in the end (delta: 36.8MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-12-15 00:48:33,976 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:48:33,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.89ms. Allocated memory is still 121.6MB. Free memory was 78.6MB in the beginning and 62.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 00:48:33,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.66ms. Allocated memory is still 121.6MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:48:33,977 INFO L158 Benchmark]: Boogie Preprocessor took 28.65ms. Allocated memory is still 121.6MB. Free memory was 60.8MB in the beginning and 92.9MB in the end (delta: -32.2MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-12-15 00:48:33,977 INFO L158 Benchmark]: RCFGBuilder took 333.73ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 92.9MB in the beginning and 106.8MB in the end (delta: -13.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-15 00:48:33,978 INFO L158 Benchmark]: CodeCheck took 30669.02ms. Allocated memory is still 146.8MB. Free memory was 106.8MB in the beginning and 45.3MB in the end (delta: 61.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2022-12-15 00:48:33,978 INFO L158 Benchmark]: Witness Printer took 31.14ms. Allocated memory is still 146.8MB. Free memory was 45.3MB in the beginning and 42.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:48:33,980 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, 30 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 30.6s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1584 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1293 mSDsluCounter, 2041 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1777 mSDsCounter, 1334 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5246 IncrementalHoareTripleChecker+Invalid, 6580 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1334 mSolverCounterUnsat, 264 mSDtfsCounter, 5246 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2222 GetRequests, 1884 SyntacticMatches, 12 SemanticMatches, 326 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44002 ImplicationChecksByTransitivity, 27.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 1234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 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 [__builtin_alloca (in_len)={3:0}, in={3:0}, in_len=1] [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 [--n=0, \old(siz)=1, d={3:0}, dst={3:0}, dst={3:0}, n=0, n != 0 && --n != 0=0, s={2:0}, siz=1, src={2:0}, src={2:0}] [L514] COND FALSE !(n != 0 && --n != 0) [L520] COND TRUE n == 0 VAL [\old(siz)=1, d={3:0}, dst={3:0}, dst={3:0}, n=0, s={2:0}, siz=1, src={2:0}, src={2:0}] [L521] COND TRUE siz != 0 VAL [\old(siz)=1, d={3:0}, dst={3:0}, dst={3:0}, n=0, s={2:0}, siz=1, src={2:0}, src={2:0}] [L522] *d = '\0' VAL [\old(siz)=1, d={3:0}, dst={3:0}, dst={3:0}, n=0, s={2:0}, siz=1, src={2:0}, src={2:0}] [L523] EXPR s++ VAL [\old(siz)=1, d={3:0}, dst={3:0}, dst={3:0}, n=0, s={2:1}, s++={2:0}, s++=10, siz=1, src={2:0}, src={2:0}] [L523] COND TRUE *s++ * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.89ms. Allocated memory is still 121.6MB. Free memory was 78.6MB in the beginning and 62.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.66ms. Allocated memory is still 121.6MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.65ms. Allocated memory is still 121.6MB. Free memory was 60.8MB in the beginning and 92.9MB in the end (delta: -32.2MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 333.73ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 92.9MB in the beginning and 106.8MB in the end (delta: -13.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 30669.02ms. Allocated memory is still 146.8MB. Free memory was 106.8MB in the beginning and 45.3MB in the end (delta: 61.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * Witness Printer took 31.14ms. Allocated memory is still 146.8MB. Free memory was 45.3MB in the beginning and 42.1MB 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 00:48:34,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dcdfa2f-c36b-457e-bb64-53eb17d87d87/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)