./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak --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 0dfe0f165ef563fbd088ad0368faf44ddd32870a ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:43:02,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:02,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:02,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:02,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:02,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:02,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:02,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:02,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:02,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:02,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:02,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:02,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:02,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:02,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:02,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:02,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:02,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:02,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:02,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:02,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:02,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:02,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:02,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:03,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:03,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:03,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:03,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:03,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:03,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:03,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:03,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:03,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:03,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:03,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:03,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:03,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:03,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:03,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:03,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:03,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:03,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:43:03,069 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:03,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:03,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:03,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:03,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:03,072 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:03,073 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:43:03,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:03,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:03,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:03,075 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:43:03,075 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:43:03,075 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:43:03,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:03,076 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:03,076 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:03,076 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:03,077 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:03,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:03,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:03,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:03,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:03,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:03,078 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:03,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:03,079 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-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dfe0f165ef563fbd088ad0368faf44ddd32870a [2020-11-28 04:43:03,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:03,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:03,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:03,436 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:03,437 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:03,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2020-11-28 04:43:03,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/data/881d48ce3/b1bc03a852904688a1812de28ef72ad3/FLAGcf61bb9b5 [2020-11-28 04:43:03,947 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:03,948 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2020-11-28 04:43:03,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/data/881d48ce3/b1bc03a852904688a1812de28ef72ad3/FLAGcf61bb9b5 [2020-11-28 04:43:04,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/data/881d48ce3/b1bc03a852904688a1812de28ef72ad3 [2020-11-28 04:43:04,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:04,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:04,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:04,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:04,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:04,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cd7e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04, skipping insertion in model container [2020-11-28 04:43:04,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:04,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:04,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:04,628 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:04,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:04,663 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:04,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04 WrapperNode [2020-11-28 04:43:04,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:04,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:04,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:04,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:04,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:04,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:04,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:04,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:04,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:04,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:04,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:04,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:04,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:43:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:43:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:43:05,350 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:05,351 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:43:05,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:05 BoogieIcfgContainer [2020-11-28 04:43:05,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:43:05,354 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:43:05,354 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:43:05,379 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:43:05,379 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:05" (1/1) ... [2020-11-28 04:43:05,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:43:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2020-11-28 04:43:05,425 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2020-11-28 04:43:05,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:43:05,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:05,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:05,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2020-11-28 04:43:05,617 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2020-11-28 04:43:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:43:05,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:05,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2020-11-28 04:43:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2020-11-28 04:43:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:43:05,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2020-11-28 04:43:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2020-11-28 04:43:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:43:06,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:06,066 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:06,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:06,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:06,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:06,162 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-11-28 04:43:06,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:43:06 ImpRootNode [2020-11-28 04:43:06,189 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:43:06,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:43:06,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:43:06,191 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:43:06,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:05" (3/4) ... [2020-11-28 04:43:06,194 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:43:06,252 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bde5b148-6fec-49ba-8e81-7dc5dc3b679d/bin/ukojak/witness.graphml [2020-11-28 04:43:06,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:43:06,254 INFO L168 Benchmark]: Toolchain (without parser) took 1927.47 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 55.9 MB in the beginning and 86.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,255 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:06,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.32 ms. Allocated memory is still 88.1 MB. Free memory was 55.7 MB in the beginning and 66.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.40 ms. Allocated memory is still 88.1 MB. Free memory was 66.8 MB in the beginning and 65.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:06,257 INFO L168 Benchmark]: Boogie Preprocessor took 21.49 ms. Allocated memory is still 88.1 MB. Free memory was 65.4 MB in the beginning and 64.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,258 INFO L168 Benchmark]: RCFGBuilder took 627.53 ms. Allocated memory is still 88.1 MB. Free memory was 64.3 MB in the beginning and 42.9 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,259 INFO L168 Benchmark]: CodeCheck took 835.57 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 42.9 MB in the beginning and 50.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,260 INFO L168 Benchmark]: Witness Printer took 61.64 ms. Allocated memory is still 107.0 MB. Free memory was 50.0 MB in the beginning and 86.0 MB in the end (delta: -36.0 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:06,264 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. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 40 SDtfs, 20 SDslu, 8 SDs, 0 SdLazy, 100 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [L22] COND TRUE i < 100 [L13] int a[n], i; [L14] i = 0 [L14] COND TRUE i < size [L15] a[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 337.32 ms. Allocated memory is still 88.1 MB. Free memory was 55.7 MB in the beginning and 66.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.40 ms. Allocated memory is still 88.1 MB. Free memory was 66.8 MB in the beginning and 65.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.49 ms. Allocated memory is still 88.1 MB. Free memory was 65.4 MB in the beginning and 64.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 627.53 ms. Allocated memory is still 88.1 MB. Free memory was 64.3 MB in the beginning and 42.9 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 835.57 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 42.9 MB in the beginning and 50.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Witness Printer took 61.64 ms. Allocated memory is still 107.0 MB. Free memory was 50.0 MB in the beginning and 86.0 MB in the end (delta: -36.0 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...