./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB --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-dbf71c6-m [2022-10-17 16:40:50,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:50,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:50,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:50,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:50,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:50,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:50,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:50,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:50,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:50,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:50,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:50,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:50,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:50,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:50,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:50,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:50,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:50,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:50,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:50,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:50,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:50,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:50,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:50,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:50,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:50,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:50,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:51,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:51,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:51,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:51,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:51,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:51,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:51,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:51,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:51,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:51,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:51,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:51,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:51,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:51,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:40:51,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:51,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:51,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:51,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:51,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:51,047 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:51,047 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:40:51,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:51,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:51,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:51,048 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:40:51,048 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:40:51,048 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:40:51,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:51,049 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:51,049 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:51,049 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:51,049 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:51,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:51,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:51,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:51,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:51,051 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:51,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:51,051 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_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec160cf4b60485a1055f4c0493c31fb16faea97df24f3bbd4c282065dca8c74 [2022-10-17 16:40:51,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:51,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:51,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:51,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:51,435 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:51,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2022-10-17 16:40:51,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/data/cf71ee90a/d2022951c51344d3b5cb3ad42bcad927/FLAG68b14980b [2022-10-17 16:40:51,982 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:51,983 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2022-10-17 16:40:51,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/data/cf71ee90a/d2022951c51344d3b5cb3ad42bcad927/FLAG68b14980b [2022-10-17 16:40:52,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/data/cf71ee90a/d2022951c51344d3b5cb3ad42bcad927 [2022-10-17 16:40:52,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:52,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:52,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:52,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:52,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:52,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dc2b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52, skipping insertion in model container [2022-10-17 16:40:52,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:52,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:52,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:52,604 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:52,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:52,634 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:52,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52 WrapperNode [2022-10-17 16:40:52,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:52,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:52,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:52,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:52,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,673 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2022-10-17 16:40:52,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:52,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:52,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:52,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:52,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,698 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:52,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:52,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:52,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:52,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:52" (1/1) ... [2022-10-17 16:40:52,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:52,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:52,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:52,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:40:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:40:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:40:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:52,862 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:52,865 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:53,070 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:53,162 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:53,163 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:40:53,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:53 BoogieIcfgContainer [2022-10-17 16:40:53,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:53,166 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:53,166 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:53,178 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:53,178 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:53" (1/1) ... [2022-10-17 16:40:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 16:40:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 16:40:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:40:53,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:53,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:53,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 16:40:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 16:40:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:40:53,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:53,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:40:53,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:40:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:40:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:40:53,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:40:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:40:53,693 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 16:40:53,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:40:53 ImpRootNode [2022-10-17 16:40:53,722 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:40:53,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:40:53,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:40:53,725 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:40:53,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:53" (3/4) ... [2022-10-17 16:40:53,728 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:40:53,762 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:40:53,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:40:53,763 INFO L158 Benchmark]: Toolchain (without parser) took 1379.34ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 45.8MB in the beginning and 44.4MB in the end (delta: 1.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-10-17 16:40:53,764 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 61.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:40:53,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.99ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 45.7MB in the beginning and 80.1MB in the end (delta: -34.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:40:53,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.11ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:53,766 INFO L158 Benchmark]: Boogie Preprocessor took 27.36ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 77.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:53,767 INFO L158 Benchmark]: RCFGBuilder took 462.70ms. Allocated memory is still 104.9MB. Free memory was 77.3MB in the beginning and 63.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:40:53,768 INFO L158 Benchmark]: CodeCheck took 556.03ms. Allocated memory is still 104.9MB. Free memory was 63.8MB in the beginning and 46.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:40:53,768 INFO L158 Benchmark]: Witness Printer took 39.36ms. Allocated memory is still 104.9MB. Free memory was 46.4MB in the beginning and 44.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:53,772 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: 0.5s, 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, 0.1s 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 0.33ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 61.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.99ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 45.7MB in the beginning and 80.1MB in the end (delta: -34.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.11ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.36ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 77.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.70ms. Allocated memory is still 104.9MB. Free memory was 77.3MB in the beginning and 63.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 556.03ms. Allocated memory is still 104.9MB. Free memory was 63.8MB in the beginning and 46.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 39.36ms. Allocated memory is still 104.9MB. Free memory was 46.4MB in the beginning and 44.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:40:53,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_111de017-d5c9-4ee2-9813-9d1e1cbb5ba2/bin/ukojak-92XMlrwhuB/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)