./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e --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 d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:48:29,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:48:29,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:48:29,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:48:29,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:48:29,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:48:29,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:48:29,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:48:29,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:48:29,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:48:29,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:48:29,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:48:29,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:48:29,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:48:29,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:48:29,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:48:29,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:48:29,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:48:29,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:48:29,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:48:29,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:48:29,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:48:29,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:48:29,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:48:29,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:48:29,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:48:29,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:48:29,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:48:29,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:48:29,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:48:29,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:48:29,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:48:29,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:48:29,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:48:29,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:48:29,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:48:29,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:48:29,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:48:29,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:48:29,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:48:29,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:48:29,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 22:48:29,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:48:29,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:48:29,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:48:29,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:48:29,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:48:29,461 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:48:29,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:48:29,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:48:29,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:48:29,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:48:29,469 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 22:48:29,469 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 22:48:29,469 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 22:48:29,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:48:29,469 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:48:29,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:48:29,470 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:48:29,470 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:48:29,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:48:29,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:48:29,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:48:29,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:48:29,471 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:48:29,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:48:29,471 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_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 [2021-11-13 22:48:29,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:48:29,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:48:29,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:48:29,799 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:48:29,800 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:48:29,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2021-11-13 22:48:29,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/data/dac300cd5/c1a0a0ed1381431dbb3b76fda71ee9ae/FLAG1c7d9f57c [2021-11-13 22:48:30,416 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:48:30,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2021-11-13 22:48:30,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/data/dac300cd5/c1a0a0ed1381431dbb3b76fda71ee9ae/FLAG1c7d9f57c [2021-11-13 22:48:30,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/data/dac300cd5/c1a0a0ed1381431dbb3b76fda71ee9ae [2021-11-13 22:48:30,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:48:30,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:48:30,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:48:30,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:48:30,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:48:30,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:30" (1/1) ... [2021-11-13 22:48:30,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1887f62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:30, skipping insertion in model container [2021-11-13 22:48:30,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:30" (1/1) ... [2021-11-13 22:48:30,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:48:30,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:48:31,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:48:31,113 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:48:31,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:48:31,220 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:48:31,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31 WrapperNode [2021-11-13 22:48:31,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:48:31,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:48:31,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:48:31,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:48:31,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:48:31,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:48:31,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:48:31,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:48:31,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:48:31,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:48:31,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:48:31,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:48:31,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:48:31,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:48:31,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:48:31,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:48:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:48:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:48:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:48:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:48:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:48:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:48:31,739 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:48:31,740 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 22:48:31,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:31 BoogieIcfgContainer [2021-11-13 22:48:31,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:48:31,743 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:48:31,743 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:48:31,761 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:48:31,762 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:31" (1/1) ... [2021-11-13 22:48:31,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:48:31,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-13 22:48:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-13 22:48:31,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:48:31,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:31,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:48:31,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 22:48:31,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:48:32,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:48:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-11-13 22:48:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-13 22:48:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:48:32,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:32,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:48:32,166 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 22:48:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:48:32,194 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-13 22:48:32,212 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:793) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportCounterexampleResult(CodeCheckObserver.java:763) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:524) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 22:48:32,216 INFO L158 Benchmark]: Toolchain (without parser) took 1499.98ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 48.0MB in the beginning and 44.3MB in the end (delta: 3.7MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-11-13 22:48:32,217 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 81.8MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:48:32,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.17ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 47.8MB in the beginning and 78.4MB in the end (delta: -30.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 22:48:32,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.43ms. Allocated memory is still 107.0MB. Free memory was 78.4MB in the beginning and 76.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:48:32,220 INFO L158 Benchmark]: Boogie Preprocessor took 52.67ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:48:32,220 INFO L158 Benchmark]: RCFGBuilder took 391.59ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 61.1MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 22:48:32,221 INFO L158 Benchmark]: CodeCheck took 472.04ms. Allocated memory is still 107.0MB. Free memory was 61.1MB in the beginning and 44.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-13 22:48:32,225 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, 16 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 45.54ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 42.82ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 6 mSolverCounterSat, 0.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 3 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 6 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 81.8MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.17ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 47.8MB in the beginning and 78.4MB in the end (delta: -30.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.43ms. Allocated memory is still 107.0MB. Free memory was 78.4MB in the beginning and 76.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.67ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.59ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 61.1MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 472.04ms. Allocated memory is still 107.0MB. Free memory was 61.1MB in the beginning and 44.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 22:48:32,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e --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 d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:48:34,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:48:34,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:48:34,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:48:34,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:48:34,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:48:34,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:48:34,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:48:34,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:48:34,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:48:34,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:48:34,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:48:34,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:48:34,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:48:34,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:48:34,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:48:34,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:48:34,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:48:34,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:48:34,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:48:34,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:48:34,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:48:34,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:48:34,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:48:34,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:48:34,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:48:34,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:48:34,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:48:34,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:48:34,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:48:34,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:48:34,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:48:34,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:48:34,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:48:34,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:48:34,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:48:34,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:48:34,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:48:34,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:48:34,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:48:34,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:48:34,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-13 22:48:34,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:48:34,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:48:34,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:48:34,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:48:34,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:48:34,933 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:48:34,933 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:48:34,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:48:34,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:48:34,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:48:34,935 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 22:48:34,935 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 22:48:34,935 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 22:48:34,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:48:34,936 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 22:48:34,936 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 22:48:34,936 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 22:48:34,936 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:48:34,936 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:48:34,937 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:48:34,937 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:48:34,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:48:34,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:48:34,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:48:34,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:48:34,938 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 22:48:34,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 22:48:34,939 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 22:48:34,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 22:48:34,939 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 [2021-11-13 22:48:35,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:48:35,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:48:35,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:48:35,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:48:35,340 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:48:35,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2021-11-13 22:48:35,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/data/eafa61545/5f60d45b24444615bd66ff8bc56d1c5c/FLAG0b7c8421c [2021-11-13 22:48:36,111 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:48:36,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2021-11-13 22:48:36,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/data/eafa61545/5f60d45b24444615bd66ff8bc56d1c5c/FLAG0b7c8421c [2021-11-13 22:48:36,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/data/eafa61545/5f60d45b24444615bd66ff8bc56d1c5c [2021-11-13 22:48:36,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:48:36,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:48:36,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:48:36,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:48:36,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:48:36,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:36,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63dd1c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36, skipping insertion in model container [2021-11-13 22:48:36,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:36,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:48:36,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:48:36,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:48:36,875 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:48:36,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:48:36,987 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:48:36,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36 WrapperNode [2021-11-13 22:48:36,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:48:36,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:48:36,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:48:36,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:48:36,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:37,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:37,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:48:37,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:48:37,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:48:37,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:48:37,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:37,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:37,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:37,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:37,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:37,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:37,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:37,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:48:37,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:48:37,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:48:37,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:48:37,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:48:36" (1/1) ... [2021-11-13 22:48:37,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:48:37,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:48:37,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:48:37,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:48:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 22:48:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:48:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 22:48:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:48:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:48:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:48:37,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:48:37,914 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 22:48:37,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:37 BoogieIcfgContainer [2021-11-13 22:48:37,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:48:37,918 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:48:37,923 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:48:37,930 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:48:37,930 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:37" (1/1) ... [2021-11-13 22:48:37,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:48:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:48:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-13 22:48:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-13 22:48:37,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:48:37,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:48:37,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:48:38,039 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 22:48:38,043 INFO L158 Benchmark]: Toolchain (without parser) took 1652.31ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.1MB in the beginning and 39.1MB in the end (delta: -4.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-13 22:48:38,044 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:48:38,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.79ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 35.0MB in the end (delta: -40.5kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 22:48:38,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.36ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 32.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:48:38,046 INFO L158 Benchmark]: Boogie Preprocessor took 52.26ms. Allocated memory is still 58.7MB. Free memory was 32.9MB in the beginning and 31.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:48:38,047 INFO L158 Benchmark]: RCFGBuilder took 791.99ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 45.0MB in the end (delta: -13.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-13 22:48:38,048 INFO L158 Benchmark]: CodeCheck took 123.37ms. Allocated memory is still 71.3MB. Free memory was 45.0MB in the beginning and 39.1MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 22:48:38,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.79ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 35.0MB in the end (delta: -40.5kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.36ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 32.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.26ms. Allocated memory is still 58.7MB. Free memory was 32.9MB in the beginning and 31.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 791.99ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 45.0MB in the end (delta: -13.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * CodeCheck took 123.37ms. Allocated memory is still 71.3MB. Free memory was 45.0MB in the beginning and 39.1MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 22:48:38,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35de4a8c-3f79-4f97-91f0-b0f7531ad332/bin/ukojak-2xVlg8857e/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 Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared