./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-dietlibc/wcsstr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/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_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/wcsstr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/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_e08d715e-8ac0-4936-b3f9-40101b04f7c7/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 b18f22aa0242fc741d93005272cc93444d5a107b685bf4453016ed833583be3a --- 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 [2022-12-14 20:34:24,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:34:24,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:34:24,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:34:24,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:34:24,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:34:24,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:34:24,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:34:24,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:34:24,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:34:24,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:34:24,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:34:24,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:34:24,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:34:24,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:34:24,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:34:24,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:34:24,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:34:24,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:34:24,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:34:24,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:34:24,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:34:24,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:34:24,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:34:24,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:34:24,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:34:24,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:34:24,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:34:24,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:34:24,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:34:24,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:34:24,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:34:24,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:34:24,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:34:24,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:34:24,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:34:24,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:34:24,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:34:24,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:34:24,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:34:24,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:34:24,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 20:34:24,892 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:34:24,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:34:24,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:34:24,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:34:24,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:34:24,894 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:34:24,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:34:24,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:34:24,895 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:34:24,895 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:34:24,895 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:34:24,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:34:24,896 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:34:24,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:34:24,896 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:34:24,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:34:24,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:34:24,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:34:24,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:34:24,897 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:34:24,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:34:24,897 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_e08d715e-8ac0-4936-b3f9-40101b04f7c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b18f22aa0242fc741d93005272cc93444d5a107b685bf4453016ed833583be3a [2022-12-14 20:34:25,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:34:25,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:34:25,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:34:25,093 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:34:25,094 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:34:25,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-dietlibc/wcsstr.i [2022-12-14 20:34:27,755 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:34:27,902 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:34:27,903 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/sv-benchmarks/c/termination-dietlibc/wcsstr.i [2022-12-14 20:34:27,912 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/data/1a516a61b/f1ecda7f19de4332b633debaea22574c/FLAGad3d04eb0 [2022-12-14 20:34:27,922 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/data/1a516a61b/f1ecda7f19de4332b633debaea22574c [2022-12-14 20:34:27,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:34:27,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:34:27,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:34:27,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:34:27,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:34:27,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:34:27" (1/1) ... [2022-12-14 20:34:27,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7987519c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:27, skipping insertion in model container [2022-12-14 20:34:27,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:34:27" (1/1) ... [2022-12-14 20:34:27,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:34:27,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:34:28,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:34:28,209 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:34:28,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:34:28,267 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:34:28,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28 WrapperNode [2022-12-14 20:34:28,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:34:28,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:34:28,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:34:28,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:34:28,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,307 INFO L138 Inliner]: procedures = 113, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2022-12-14 20:34:28,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:34:28,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:34:28,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:34:28,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:34:28,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,329 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:34:28,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:34:28,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:34:28,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:34:28,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:34:28,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:34:28,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:34:28,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:34:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:34:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:34:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:34:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:34:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:34:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:34:28,479 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:34:28,481 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:34:28,689 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:34:28,716 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:34:28,717 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:34:28,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:34:28 BoogieIcfgContainer [2022-12-14 20:34:28,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:34:28,720 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:34:28,720 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:34:28,730 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:34:28,731 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:34:28" (1/1) ... [2022-12-14 20:34:28,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:34:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:34:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2022-12-14 20:34:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-12-14 20:34:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:34:28,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:34:28,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:34:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:34:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:34:28,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:34:28,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2022-12-14 20:34:28,941 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-12-14 20:34:28,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:34:28,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:34:28,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:34:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:34:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:34:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:34:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2022-12-14 20:34:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-12-14 20:34:29,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:34:29,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:34:29,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:34:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:34:29,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:34:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:34:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:34:29,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:34:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:34:29,102 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-12-14 20:34:29,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:34:29 ImpRootNode [2022-12-14 20:34:29,117 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:34:29,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:34:29,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:34:29,118 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:34:29,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:34:28" (3/4) ... [2022-12-14 20:34:29,120 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 20:34:29,143 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:34:29,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:34:29,143 INFO L158 Benchmark]: Toolchain (without parser) took 1217.21ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 107.6MB in the beginning and 146.4MB in the end (delta: -38.8MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-12-14 20:34:29,144 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:34:29,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.71ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 90.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:34:29,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.00ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 89.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:34:29,145 INFO L158 Benchmark]: Boogie Preprocessor took 24.23ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 88.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:34:29,146 INFO L158 Benchmark]: RCFGBuilder took 386.86ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 70.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 20:34:29,146 INFO L158 Benchmark]: CodeCheck took 397.13ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 70.6MB in the beginning and 147.5MB in the end (delta: -76.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:34:29,147 INFO L158 Benchmark]: Witness Printer took 24.75ms. Allocated memory is still 180.4MB. Free memory was 147.5MB in the beginning and 146.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:34:29,150 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, 33 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 4 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: [L515] int in_len = __VERIFIER_nondet_int(); [L516] COND FALSE !(in_len < 1) [L517] int* hay = __builtin_alloca (in_len); VAL [__builtin_alloca (in_len)={2:0}, hay={2:0}, in_len=17067] [L518] hay[in_len-1]=0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.71ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 90.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.00ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 89.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.23ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 88.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 386.86ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 70.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 397.13ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 70.6MB in the beginning and 147.5MB in the end (delta: -76.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 24.75ms. Allocated memory is still 180.4MB. Free memory was 147.5MB in the beginning and 146.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 20:34:29,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08d715e-8ac0-4936-b3f9-40101b04f7c7/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)