./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrpbrk_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_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/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_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/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_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/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 ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:07:19,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:07:19,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:07:19,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:07:19,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:07:19,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:07:19,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:07:19,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:07:19,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:07:19,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:07:19,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:07:19,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:07:19,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:07:19,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:07:19,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:07:19,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:07:19,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:07:19,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:07:19,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:07:19,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:07:19,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:07:19,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:07:19,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:07:19,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:07:19,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:07:19,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:07:19,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:07:19,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:07:19,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:07:19,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:07:19,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:07:19,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:07:19,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:07:19,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:07:19,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:07:19,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:07:19,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:07:19,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:07:19,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:07:19,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:07:19,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:07:19,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:07:19,376 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:07:19,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:07:19,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:07:19,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:07:19,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:07:19,379 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:07:19,379 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:07:19,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:07:19,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:07:19,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:07:19,381 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:07:19,381 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:07:19,381 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:07:19,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:07:19,382 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:07:19,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:07:19,382 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:07:19,382 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:07:19,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:07:19,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:07:19,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:07:19,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:07:19,384 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:07:19,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:07:19,384 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_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 [2021-11-13 23:07:19,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:07:19,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:07:19,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:07:19,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:07:19,724 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:07:19,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-11-13 23:07:19,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/data/abfd2c74e/04e7cf72d9f54ee2abdb8808f4cf9a99/FLAGf022f5cc5 [2021-11-13 23:07:20,382 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:07:20,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-11-13 23:07:20,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/data/abfd2c74e/04e7cf72d9f54ee2abdb8808f4cf9a99/FLAGf022f5cc5 [2021-11-13 23:07:20,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/data/abfd2c74e/04e7cf72d9f54ee2abdb8808f4cf9a99 [2021-11-13 23:07:20,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:07:20,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:07:20,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:07:20,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:07:20,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:07:20,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:20" (1/1) ... [2021-11-13 23:07:20,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b62c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:20, skipping insertion in model container [2021-11-13 23:07:20,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:20" (1/1) ... [2021-11-13 23:07:20,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:07:20,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:07:21,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:07:21,183 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:07:21,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:07:21,279 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:07:21,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21 WrapperNode [2021-11-13 23:07:21,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:07:21,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:07:21,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:07:21,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:07:21,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21" (1/1) ... [2021-11-13 23:07:21,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21" (1/1) ... [2021-11-13 23:07:21,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:07:21,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:07:21,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:07:21,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:07:21,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21" (1/1) ... [2021-11-13 23:07:21,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21" (1/1) ... [2021-11-13 23:07:21,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21" (1/1) ... [2021-11-13 23:07:21,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21" (1/1) ... [2021-11-13 23:07:21,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21" (1/1) ... [2021-11-13 23:07:21,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21" (1/1) ... [2021-11-13 23:07:21,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21" (1/1) ... [2021-11-13 23:07:21,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:07:21,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:07:21,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:07:21,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:07:21,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:21" (1/1) ... [2021-11-13 23:07:21,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:07:21,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:07:21,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:07:21,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:07:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:07:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:07:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:07:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:07:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:07:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:07:22,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:07:22,101 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 23:07:22,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:22 BoogieIcfgContainer [2021-11-13 23:07:22,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:07:22,104 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:07:22,105 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:07:22,114 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:07:22,115 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:22" (1/1) ... [2021-11-13 23:07:22,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:07:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2021-11-13 23:07:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2021-11-13 23:07:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:07:22,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:22,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:22,358 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 23:07:22,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2021-11-13 23:07:22,406 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2021-11-13 23:07:22,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:07:22,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:22,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:22,538 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 23:07:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2021-11-13 23:07:22,801 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-11-13 23:07:22,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:07:22,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:22,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:22,845 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 23:07:22,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 54 states and 63 transitions. [2021-11-13 23:07:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2021-11-13 23:07:22,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:07:22,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:22,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:22,950 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 23:07:23,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2021-11-13 23:07:23,237 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2021-11-13 23:07:23,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:07:23,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:23,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:23,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2021-11-13 23:07:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2021-11-13 23:07:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:07:23,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:23,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2021-11-13 23:07:24,220 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2021-11-13 23:07:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:07:24,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:24,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:24,267 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 23:07:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2021-11-13 23:07:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2021-11-13 23:07:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:07:24,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:24,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:24,358 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 23:07:24,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2021-11-13 23:07:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-11-13 23:07:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:07:24,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:24,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:24,437 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 23:07:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2021-11-13 23:07:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2021-11-13 23:07:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:07:24,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:24,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:24,502 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 23:07:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:24,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2021-11-13 23:07:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2021-11-13 23:07:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:07:24,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:24,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:24,737 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 23:07:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2021-11-13 23:07:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2021-11-13 23:07:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:07:25,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:25,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:25,320 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 23:07:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2021-11-13 23:07:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-11-13 23:07:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:07:25,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:25,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2021-11-13 23:07:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2021-11-13 23:07:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:07:26,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:26,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2021-11-13 23:07:26,437 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2021-11-13 23:07:26,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:07:26,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:26,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 60 states and 79 transitions. [2021-11-13 23:07:26,704 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2021-11-13 23:07:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:07:26,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:26,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:26,733 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 23:07:26,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2021-11-13 23:07:26,745 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2021-11-13 23:07:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:07:26,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:26,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:26,918 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 23:07:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2021-11-13 23:07:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2021-11-13 23:07:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:07:27,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:27,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:27,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2021-11-13 23:07:27,587 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2021-11-13 23:07:27,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:07:27,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:27,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:28,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:28,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2021-11-13 23:07:28,068 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-11-13 23:07:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:07:28,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:28,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:28,182 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 23:07:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2021-11-13 23:07:28,720 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2021-11-13 23:07:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:07:28,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:28,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:28,871 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 23:07:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2021-11-13 23:07:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2021-11-13 23:07:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:07:29,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:29,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2021-11-13 23:07:30,141 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-11-13 23:07:30,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:07:30,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:30,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:07:30,164 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:07:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:07:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:07:30,227 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:07:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:07:30,293 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 23 iterations. [2021-11-13 23:07:30,334 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 23:07:30,337 INFO L158 Benchmark]: Toolchain (without parser) took 9656.17ms. Allocated memory was 83.9MB in the beginning and 127.9MB in the end (delta: 44.0MB). Free memory was 44.5MB in the beginning and 84.2MB in the end (delta: -39.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:07:30,338 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 83.9MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:07:30,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.02ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 44.3MB in the beginning and 70.1MB in the end (delta: -25.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-13 23:07:30,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.00ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 67.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:07:30,340 INFO L158 Benchmark]: Boogie Preprocessor took 57.56ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:07:30,341 INFO L158 Benchmark]: RCFGBuilder took 692.01ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 48.1MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-13 23:07:30,341 INFO L158 Benchmark]: CodeCheck took 8231.69ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 48.1MB in the beginning and 84.2MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:07:30,345 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, 54 locations, 27 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 23, 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, 726 SdHoareTripleChecker+Valid, 5223.75ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 648 mSDsluCounter, 222 SdHoareTripleChecker+Invalid, 4389.57ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 834 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3050 IncrementalHoareTripleChecker+Invalid, 3884 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 834 mSolverCounterUnsat, 126 mSDtfsCounter, 3050 mSolverCounterSat, 99.74ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1242 GetRequests, 1062 SyntacticMatches, 34 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9421 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 818 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 16 PerfectInterpolantSequences, 3/18 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 83.9MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.02ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 44.3MB in the beginning and 70.1MB in the end (delta: -25.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.00ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 67.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.56ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 692.01ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 48.1MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 8231.69ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 48.1MB in the beginning and 84.2MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:07:30,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/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_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/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_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/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_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/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 ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:07:32,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:07:33,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:07:33,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:07:33,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:07:33,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:07:33,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:07:33,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:07:33,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:07:33,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:07:33,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:07:33,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:07:33,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:07:33,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:07:33,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:07:33,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:07:33,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:07:33,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:07:33,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:07:33,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:07:33,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:07:33,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:07:33,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:07:33,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:07:33,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:07:33,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:07:33,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:07:33,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:07:33,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:07:33,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:07:33,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:07:33,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:07:33,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:07:33,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:07:33,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:07:33,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:07:33,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:07:33,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:07:33,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:07:33,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:07:33,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:07:33,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-13 23:07:33,179 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:07:33,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:07:33,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:07:33,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:07:33,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:07:33,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:07:33,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:07:33,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:07:33,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:07:33,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:07:33,186 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:07:33,186 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:07:33,186 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:07:33,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:07:33,187 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 23:07:33,187 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 23:07:33,187 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 23:07:33,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:07:33,188 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:07:33,188 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:07:33,188 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:07:33,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:07:33,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:07:33,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:07:33,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:07:33,189 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 23:07:33,190 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 23:07:33,190 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 23:07:33,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 23:07:33,190 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_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 [2021-11-13 23:07:33,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:07:33,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:07:33,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:07:33,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:07:33,634 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:07:33,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-11-13 23:07:33,715 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/data/b14fcb664/0acb9c9ad8ab478291064eada8c66f5a/FLAG2a015e384 [2021-11-13 23:07:34,378 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:07:34,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-11-13 23:07:34,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/data/b14fcb664/0acb9c9ad8ab478291064eada8c66f5a/FLAG2a015e384 [2021-11-13 23:07:34,651 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/data/b14fcb664/0acb9c9ad8ab478291064eada8c66f5a [2021-11-13 23:07:34,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:07:34,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:07:34,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:07:34,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:07:34,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:07:34,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:34" (1/1) ... [2021-11-13 23:07:34,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db0081d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:34, skipping insertion in model container [2021-11-13 23:07:34,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:34" (1/1) ... [2021-11-13 23:07:34,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:07:34,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:07:35,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:07:35,143 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:07:35,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:07:35,252 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:07:35,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35 WrapperNode [2021-11-13 23:07:35,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:07:35,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:07:35,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:07:35,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:07:35,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35" (1/1) ... [2021-11-13 23:07:35,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35" (1/1) ... [2021-11-13 23:07:35,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:07:35,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:07:35,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:07:35,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:07:35,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35" (1/1) ... [2021-11-13 23:07:35,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35" (1/1) ... [2021-11-13 23:07:35,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35" (1/1) ... [2021-11-13 23:07:35,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35" (1/1) ... [2021-11-13 23:07:35,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35" (1/1) ... [2021-11-13 23:07:35,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35" (1/1) ... [2021-11-13 23:07:35,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35" (1/1) ... [2021-11-13 23:07:35,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:07:35,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:07:35,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:07:35,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:07:35,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:35" (1/1) ... [2021-11-13 23:07:35,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:07:35,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:07:35,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:07:35,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:07:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 23:07:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:07:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 23:07:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:07:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:07:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:07:36,225 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:07:36,225 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 23:07:36,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:36 BoogieIcfgContainer [2021-11-13 23:07:36,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:07:36,228 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:07:36,228 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:07:36,239 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:07:36,239 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:36" (1/1) ... [2021-11-13 23:07:36,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:07:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2021-11-13 23:07:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2021-11-13 23:07:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:07:36,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:36,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:36,377 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 23:07:36,385 INFO L158 Benchmark]: Toolchain (without parser) took 1726.20ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.8MB in the beginning and 33.8MB in the end (delta: -3.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-13 23:07:36,386 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:07:36,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.71ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.7MB in the beginning and 47.1MB in the end (delta: -16.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-13 23:07:36,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.51ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:07:36,390 INFO L158 Benchmark]: Boogie Preprocessor took 73.83ms. Allocated memory is still 71.3MB. Free memory was 44.8MB in the beginning and 43.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:07:36,391 INFO L158 Benchmark]: RCFGBuilder took 813.08ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 39.9MB in the end (delta: 3.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-13 23:07:36,392 INFO L158 Benchmark]: CodeCheck took 153.31ms. Allocated memory is still 71.3MB. Free memory was 39.9MB in the beginning and 33.8MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:07:36,402 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 0.33ms. Allocated memory is still 54.5MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.71ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.7MB in the beginning and 47.1MB in the end (delta: -16.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.51ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.83ms. Allocated memory is still 71.3MB. Free memory was 44.8MB in the beginning and 43.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 813.08ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 39.9MB in the end (delta: 3.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * CodeCheck took 153.31ms. Allocated memory is still 71.3MB. Free memory was 39.9MB in the beginning and 33.8MB in the end (delta: 6.1MB). 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 23:07:36,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb02bc79-3d8b-4dda-a8c5-52495433cb4f/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