./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY --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 0.2.1-dev-4e77c04 [2021-10-13 04:38:22,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:38:22,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:38:22,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:38:22,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:38:22,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:38:22,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:38:22,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:38:22,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:38:22,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:38:22,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:38:22,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:38:22,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:38:22,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:38:22,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:38:22,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:38:22,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:38:22,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:38:22,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:38:22,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:38:22,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:38:22,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:38:22,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:38:22,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:38:22,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:38:22,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:38:22,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:38:22,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:38:22,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:38:22,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:38:22,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:38:22,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:38:22,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:38:22,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:38:22,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:38:22,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:38:22,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:38:22,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:38:22,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:38:22,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:38:22,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:38:22,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-13 04:38:22,821 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:38:22,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:38:22,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:38:22,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:38:22,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:38:22,824 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:38:22,824 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:38:22,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:38:22,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:38:22,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:38:22,826 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 04:38:22,826 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 04:38:22,826 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 04:38:22,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:38:22,827 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:38:22,827 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:38:22,827 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:38:22,828 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:38:22,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:38:22,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:38:22,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:38:22,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:38:22,829 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:38:22,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:38:22,830 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_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dfe0f165ef563fbd088ad0368faf44ddd32870a [2021-10-13 04:38:23,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:38:23,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:38:23,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:38:23,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:38:23,147 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:38:23,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2021-10-13 04:38:23,250 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/data/609f0616e/10477187605342afbc6590eb99d653be/FLAGb62ae332c [2021-10-13 04:38:23,757 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:38:23,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2021-10-13 04:38:23,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/data/609f0616e/10477187605342afbc6590eb99d653be/FLAGb62ae332c [2021-10-13 04:38:24,101 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/data/609f0616e/10477187605342afbc6590eb99d653be [2021-10-13 04:38:24,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:38:24,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:38:24,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:38:24,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:38:24,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:38:24,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c5f361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24, skipping insertion in model container [2021-10-13 04:38:24,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:38:24,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:38:24,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:38:24,317 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:38:24,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:38:24,358 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:38:24,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24 WrapperNode [2021-10-13 04:38:24,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:38:24,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:38:24,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:38:24,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:38:24,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:38:24,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:38:24,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:38:24,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:38:24,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:38:24,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:38:24,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:38:24,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:38:24,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:38:24,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:38:24,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:38:24,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:38:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 04:38:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:38:24,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:38:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 04:38:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:38:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 04:38:24,883 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:38:24,883 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-13 04:38:24,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:38:24 BoogieIcfgContainer [2021-10-13 04:38:24,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:38:24,887 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:38:24,887 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:38:24,899 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:38:24,899 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:38:24" (1/1) ... [2021-10-13 04:38:24,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:38:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:38:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-10-13 04:38:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-10-13 04:38:24,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:38:24,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:38:24,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:38:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:38:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:38:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:38:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-10-13 04:38:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-10-13 04:38:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:38:25,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:38:25,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:38:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:38:25,174 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:38:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:38:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:38:25,244 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:38:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:38:25,276 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-10-13 04:38:25,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:38:25 ImpRootNode [2021-10-13 04:38:25,305 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:38:25,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:38:25,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:38:25,311 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:38:25,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:38:24" (3/4) ... [2021-10-13 04:38:25,314 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 04:38:25,364 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:38:25,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:38:25,367 INFO L168 Benchmark]: Toolchain (without parser) took 1260.08 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 68.4 MB in the beginning and 78.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2021-10-13 04:38:25,368 INFO L168 Benchmark]: CDTParser took 1.49 ms. Allocated memory is still 102.8 MB. Free memory was 73.8 MB in the beginning and 73.8 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:38:25,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.51 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 68.0 MB in the beginning and 110.2 MB in the end (delta: -42.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:38:25,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.39 ms. Allocated memory is still 134.2 MB. Free memory was 110.2 MB in the beginning and 108.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:38:25,372 INFO L168 Benchmark]: Boogie Preprocessor took 26.51 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 107.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:38:25,373 INFO L168 Benchmark]: RCFGBuilder took 447.24 ms. Allocated memory is still 134.2 MB. Free memory was 107.5 MB in the beginning and 93.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 04:38:25,374 INFO L168 Benchmark]: CodeCheck took 418.24 ms. Allocated memory is still 134.2 MB. Free memory was 93.4 MB in the beginning and 79.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 04:38:25,375 INFO L168 Benchmark]: Witness Printer took 54.04 ms. Allocated memory is still 134.2 MB. Free memory was 79.8 MB in the beginning and 78.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:38:25,385 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: 360.9ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 10.0ms SsaConstructionTime, 37.8ms SatisfiabilityAnalysisTime, 60.0ms 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, 0.0ms 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 1.49 ms. Allocated memory is still 102.8 MB. Free memory was 73.8 MB in the beginning and 73.8 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 248.51 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 68.0 MB in the beginning and 110.2 MB in the end (delta: -42.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.39 ms. Allocated memory is still 134.2 MB. Free memory was 110.2 MB in the beginning and 108.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.51 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 107.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 447.24 ms. Allocated memory is still 134.2 MB. Free memory was 107.5 MB in the beginning and 93.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 418.24 ms. Allocated memory is still 134.2 MB. Free memory was 93.4 MB in the beginning and 79.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 54.04 ms. Allocated memory is still 134.2 MB. Free memory was 79.8 MB in the beginning and 78.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 04:38:25,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c9f0431-f1c6-4000-bc3a-46daef191398/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...