./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/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_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/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 32bit --witnessprinter.graph.data.programhash eec160cf4b60485a1055f4c0493c31fb16faea97df24f3bbd4c282065dca8c74 --- 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 21:47:42,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:47:42,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:47:42,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:47:42,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:47:42,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:47:42,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:47:42,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:47:42,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:47:42,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:47:42,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:47:42,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:47:42,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:47:42,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:47:42,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:47:42,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:47:42,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:47:42,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:47:42,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:47:42,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:47:42,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:47:42,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:47:42,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:47:42,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:47:42,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:47:42,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:47:42,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:47:42,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:47:42,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:47:42,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:47:42,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:47:42,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:47:42,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:47:42,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:47:42,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:47:42,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:47:42,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:47:42,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:47:42,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:47:42,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:47:42,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:47:42,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 21:47:42,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:47:42,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:47:42,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:47:42,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:47:42,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:47:42,860 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:47:42,860 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:47:42,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:47:42,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:47:42,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:47:42,861 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 21:47:42,861 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 21:47:42,861 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 21:47:42,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:47:42,861 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:47:42,861 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:47:42,862 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:47:42,862 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:47:42,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:47:42,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:47:42,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:47:42,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:47:42,862 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:47:42,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:47:42,863 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_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec160cf4b60485a1055f4c0493c31fb16faea97df24f3bbd4c282065dca8c74 [2022-12-14 21:47:43,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:47:43,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:47:43,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:47:43,074 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:47:43,074 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:47:43,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2022-12-14 21:47:45,765 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:47:45,875 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:47:45,876 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2022-12-14 21:47:45,880 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/data/798c0610c/239d12d8873343e2bae095ecdae5a939/FLAG3cfef4269 [2022-12-14 21:47:45,890 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/data/798c0610c/239d12d8873343e2bae095ecdae5a939 [2022-12-14 21:47:45,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:47:45,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:47:45,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:47:45,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:47:45,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:47:45,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:47:45" (1/1) ... [2022-12-14 21:47:45,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295831e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:45, skipping insertion in model container [2022-12-14 21:47:45,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:47:45" (1/1) ... [2022-12-14 21:47:45,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:47:45,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:47:46,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:47:46,022 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:47:46,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:47:46,043 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:47:46,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46 WrapperNode [2022-12-14 21:47:46,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:47:46,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:47:46,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:47:46,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:47:46,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,067 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2022-12-14 21:47:46,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:47:46,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:47:46,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:47:46,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:47:46,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,082 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:47:46,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:47:46,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:47:46,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:47:46,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:47:46,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:47:46,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:47:46,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:47:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:47:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:47:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:47:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:47:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:47:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:47:46,191 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:47:46,193 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:47:46,326 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:47:46,367 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:47:46,367 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 21:47:46,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:47:46 BoogieIcfgContainer [2022-12-14 21:47:46,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:47:46,370 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:47:46,371 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:47:46,380 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:47:46,381 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:47:46" (1/1) ... [2022-12-14 21:47:46,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:47:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:47:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-12-14 21:47:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-14 21:47:46,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:47:46,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:47:46,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:47:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:47:46,592 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 21:47:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:47:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-12-14 21:47:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-12-14 21:47:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:47:46,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:47:46,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:47:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:47:46,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:47:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:47:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:47:46,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:47:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:47:46,713 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-12-14 21:47:46,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:47:46 ImpRootNode [2022-12-14 21:47:46,729 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:47:46,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:47:46,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:47:46,730 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:47:46,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:47:46" (3/4) ... [2022-12-14 21:47:46,732 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 21:47:46,755 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:47:46,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:47:46,755 INFO L158 Benchmark]: Toolchain (without parser) took 862.54ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 96.7MB in the beginning and 154.8MB in the end (delta: -58.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:47:46,756 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:47:46,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.03ms. Allocated memory is still 132.1MB. Free memory was 96.7MB in the beginning and 86.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 21:47:46,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.67ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 85.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:47:46,757 INFO L158 Benchmark]: Boogie Preprocessor took 15.66ms. Allocated memory is still 132.1MB. Free memory was 85.1MB in the beginning and 84.1MB in the end (delta: 992.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:47:46,757 INFO L158 Benchmark]: RCFGBuilder took 285.30ms. Allocated memory is still 132.1MB. Free memory was 84.1MB in the beginning and 70.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 21:47:46,758 INFO L158 Benchmark]: CodeCheck took 358.94ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 70.4MB in the beginning and 155.9MB in the end (delta: -85.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:47:46,758 INFO L158 Benchmark]: Witness Printer took 24.92ms. Allocated memory is still 188.7MB. Free memory was 155.9MB in the beginning and 154.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:47:46,761 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, 19 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 15]: array index can be out of bounds array index can be out of bounds We found a FailurePath: [L21] int i, b[100]; [L22] i = 0 VAL [b={2:0}, i=0] [L22] COND TRUE i < 100 [L23] CALL foo(i, b, i + 1) [L13] int a[n], i; [L14] i = 0 VAL [\old(n)=0, \old(size)=1, b={2:0}, b={2:0}, i=0, n=0, size=1] [L14] COND TRUE i < size VAL [\old(n)=0, \old(size)=1, b={2:0}, b={2:0}, i=0, n=0, size=1] [L15] a[i] VAL [\old(n)=0, \old(size)=1, b={2:0}, b={2:0}, i=0, n=0, size=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.03ms. Allocated memory is still 132.1MB. Free memory was 96.7MB in the beginning and 86.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.67ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 85.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.66ms. Allocated memory is still 132.1MB. Free memory was 85.1MB in the beginning and 84.1MB in the end (delta: 992.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.30ms. Allocated memory is still 132.1MB. Free memory was 84.1MB in the beginning and 70.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 358.94ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 70.4MB in the beginning and 155.9MB in the end (delta: -85.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 24.92ms. Allocated memory is still 188.7MB. Free memory was 155.9MB in the beginning and 154.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 21:47:46,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e86713ad-4a78-4c0e-8bce-c4f1a8cc72a1/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)