./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrchr_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_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/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_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/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_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/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 10a3b461143c2c5d394f7bd34cd6fefed4195b79a5252178f7ede404a303cf96 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:09:09,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:09:09,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:09:09,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:09:09,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:09:09,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:09:09,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:09:09,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:09:09,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:09:09,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:09:09,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:09:09,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:09:09,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:09:09,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:09:09,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:09:09,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:09:09,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:09:09,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:09:09,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:09:09,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:09:09,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:09:09,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:09:09,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:09:09,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:09:09,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:09:09,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:09:09,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:09:09,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:09:09,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:09:09,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:09:09,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:09:09,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:09:09,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:09:09,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:09:09,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:09:09,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:09:09,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:09:09,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:09:09,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:09:09,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:09:09,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:09:09,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:09:09,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:09:09,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:09:09,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:09:09,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:09:09,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:09:09,620 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:09:09,621 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:09:09,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:09:09,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:09:09,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:09:09,621 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:09:09,622 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:09:09,622 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:09:09,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:09:09,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:09:09,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:09:09,622 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:09:09,623 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:09:09,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:09:09,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:09:09,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:09:09,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:09:09,624 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:09:09,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:09:09,624 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_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a3b461143c2c5d394f7bd34cd6fefed4195b79a5252178f7ede404a303cf96 [2021-11-13 23:09:09,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:09:09,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:09:09,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:09:09,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:09:09,958 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:09:09,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2021-11-13 23:09:10,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/data/6c188e3bf/f3741312b48c41c6b307333d0b288c1c/FLAGca7915e46 [2021-11-13 23:09:10,626 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:09:10,626 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2021-11-13 23:09:10,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/data/6c188e3bf/f3741312b48c41c6b307333d0b288c1c/FLAGca7915e46 [2021-11-13 23:09:10,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/data/6c188e3bf/f3741312b48c41c6b307333d0b288c1c [2021-11-13 23:09:10,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:09:10,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:09:10,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:09:10,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:09:10,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:09:10,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:09:10" (1/1) ... [2021-11-13 23:09:10,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425bfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:10, skipping insertion in model container [2021-11-13 23:09:10,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:09:10" (1/1) ... [2021-11-13 23:09:10,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:09:11,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:09:11,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:09:11,358 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:09:11,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:09:11,466 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:09:11,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11 WrapperNode [2021-11-13 23:09:11,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:09:11,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:09:11,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:09:11,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:09:11,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11" (1/1) ... [2021-11-13 23:09:11,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11" (1/1) ... [2021-11-13 23:09:11,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:09:11,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:09:11,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:09:11,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:09:11,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11" (1/1) ... [2021-11-13 23:09:11,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11" (1/1) ... [2021-11-13 23:09:11,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11" (1/1) ... [2021-11-13 23:09:11,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11" (1/1) ... [2021-11-13 23:09:11,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11" (1/1) ... [2021-11-13 23:09:11,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11" (1/1) ... [2021-11-13 23:09:11,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11" (1/1) ... [2021-11-13 23:09:11,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:09:11,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:09:11,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:09:11,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:09:11,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:11" (1/1) ... [2021-11-13 23:09:11,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:09:11,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:09:11,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:09:11,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:09:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:09:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:09:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:09:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:09:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:09:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:09:12,184 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:09:12,184 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:09:12,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:09:12 BoogieIcfgContainer [2021-11-13 23:09:12,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:09:12,188 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:09:12,188 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:09:12,198 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:09:12,199 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:09:12" (1/1) ... [2021-11-13 23:09:12,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:09:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:12,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2021-11-13 23:09:12,263 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-11-13 23:09:12,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:09:12,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:12,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:12,414 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 23:09:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2021-11-13 23:09:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-11-13 23:09:12,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:09:12,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:12,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:12,584 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 23:09:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2021-11-13 23:09:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2021-11-13 23:09:12,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:09:12,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:12,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:12,983 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 23:09:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2021-11-13 23:09:12,999 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-11-13 23:09:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:09:12,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:13,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:13,077 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 23:09:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2021-11-13 23:09:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2021-11-13 23:09:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:09:13,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:13,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:13,479 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 23:09:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:13,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2021-11-13 23:09:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-13 23:09:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:09:13,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:13,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:13,616 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 23:09:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:13,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2021-11-13 23:09:13,954 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2021-11-13 23:09:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:09:13,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:13,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:14,078 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 23:09:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2021-11-13 23:09:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2021-11-13 23:09:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:09:14,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:14,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:14,920 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 23:09:15,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:15,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2021-11-13 23:09:15,237 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 23:09:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:09:15,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:15,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:15,515 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 23:09:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2021-11-13 23:09:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2021-11-13 23:09:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:09:15,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:15,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:15,888 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 23:09:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:15,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2021-11-13 23:09:15,900 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2021-11-13 23:09:15,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:09:15,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:15,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:15,945 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 23:09:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2021-11-13 23:09:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2021-11-13 23:09:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:09:15,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:15,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:16,049 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 23:09:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2021-11-13 23:09:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2021-11-13 23:09:16,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:09:16,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:16,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:16,371 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 23:09:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:16,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-11-13 23:09:16,387 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-11-13 23:09:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:09:16,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:16,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:16,430 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 23:09:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2021-11-13 23:09:16,453 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-11-13 23:09:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:09:16,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:16,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:16,522 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 23:09:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-11-13 23:09:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-11-13 23:09:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:09:16,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:16,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:16,946 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 23:09:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2021-11-13 23:09:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-11-13 23:09:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:09:17,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:17,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:09:17,394 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:09:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:09:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:09:17,483 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:09:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:09:17,533 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2021-11-13 23:09:17,573 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 23:09:17,590 INFO L158 Benchmark]: Toolchain (without parser) took 6674.13ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 53.3MB in the beginning and 79.0MB in the end (delta: -25.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-13 23:09:17,591 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:09:17,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.02ms. Allocated memory is still 96.5MB. Free memory was 53.1MB in the beginning and 64.3MB in the end (delta: -11.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:09:17,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.19ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 62.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:09:17,593 INFO L158 Benchmark]: Boogie Preprocessor took 56.95ms. Allocated memory is still 96.5MB. Free memory was 62.3MB in the beginning and 60.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:09:17,594 INFO L158 Benchmark]: RCFGBuilder took 593.78ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 46.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 23:09:17,595 INFO L158 Benchmark]: CodeCheck took 5401.23ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 46.3MB in the beginning and 79.0MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:09:17,598 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, 31 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 17, 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, 335 SdHoareTripleChecker+Valid, 2597.08ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 285 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 2107.17ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 412 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1361 IncrementalHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 412 mSolverCounterUnsat, 80 mSDtfsCounter, 1361 mSolverCounterSat, 69.67ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 732 GetRequests, 613 SyntacticMatches, 23 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3821 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 1/13 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 0.36ms. Allocated memory is still 96.5MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.02ms. Allocated memory is still 96.5MB. Free memory was 53.1MB in the beginning and 64.3MB in the end (delta: -11.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.19ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 62.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.95ms. Allocated memory is still 96.5MB. Free memory was 62.3MB in the beginning and 60.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.78ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 46.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 5401.23ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 46.3MB in the beginning and 79.0MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:09:17,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/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_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/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_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/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_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/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 10a3b461143c2c5d394f7bd34cd6fefed4195b79a5252178f7ede404a303cf96 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:09:20,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:09:20,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:09:20,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:09:20,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:09:20,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:09:20,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:09:20,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:09:20,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:09:20,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:09:20,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:09:20,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:09:20,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:09:20,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:09:20,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:09:20,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:09:20,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:09:20,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:09:20,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:09:20,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:09:20,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:09:20,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:09:20,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:09:20,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:09:20,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:09:20,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:09:20,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:09:20,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:09:20,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:09:20,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:09:20,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:09:20,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:09:20,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:09:20,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:09:20,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:09:20,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:09:20,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:09:20,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:09:20,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:09:20,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:09:20,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:09:20,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-13 23:09:20,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:09:20,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:09:20,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:09:20,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:09:20,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:09:20,414 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:09:20,414 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:09:20,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:09:20,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:09:20,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:09:20,415 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:09:20,416 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:09:20,416 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:09:20,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:09:20,416 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 23:09:20,416 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 23:09:20,417 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 23:09:20,417 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:09:20,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:09:20,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:09:20,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:09:20,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:09:20,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:09:20,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:09:20,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:09:20,418 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 23:09:20,419 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 23:09:20,419 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 23:09:20,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 23:09:20,419 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_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a3b461143c2c5d394f7bd34cd6fefed4195b79a5252178f7ede404a303cf96 [2021-11-13 23:09:20,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:09:20,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:09:20,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:09:20,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:09:20,818 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:09:20,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2021-11-13 23:09:20,905 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/data/3b00b4811/7e33ac211e1d4ece9845a8a8a6924af2/FLAG79698129b [2021-11-13 23:09:21,583 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:09:21,584 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2021-11-13 23:09:21,605 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/data/3b00b4811/7e33ac211e1d4ece9845a8a8a6924af2/FLAG79698129b [2021-11-13 23:09:21,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/data/3b00b4811/7e33ac211e1d4ece9845a8a8a6924af2 [2021-11-13 23:09:21,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:09:21,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:09:21,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:09:21,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:09:21,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:09:21,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:09:21" (1/1) ... [2021-11-13 23:09:21,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5d960e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:21, skipping insertion in model container [2021-11-13 23:09:21,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:09:21" (1/1) ... [2021-11-13 23:09:21,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:09:21,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:09:22,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:09:22,388 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:09:22,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:09:22,492 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:09:22,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22 WrapperNode [2021-11-13 23:09:22,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:09:22,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:09:22,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:09:22,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:09:22,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22" (1/1) ... [2021-11-13 23:09:22,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22" (1/1) ... [2021-11-13 23:09:22,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:09:22,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:09:22,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:09:22,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:09:22,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22" (1/1) ... [2021-11-13 23:09:22,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22" (1/1) ... [2021-11-13 23:09:22,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22" (1/1) ... [2021-11-13 23:09:22,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22" (1/1) ... [2021-11-13 23:09:22,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22" (1/1) ... [2021-11-13 23:09:22,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22" (1/1) ... [2021-11-13 23:09:22,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22" (1/1) ... [2021-11-13 23:09:22,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:09:22,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:09:22,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:09:22,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:09:22,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:09:22" (1/1) ... [2021-11-13 23:09:22,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:09:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:09:22,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:09:22,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:09:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 23:09:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:09:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 23:09:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:09:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:09:22,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:09:23,288 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:09:23,288 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:09:23,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:09:23 BoogieIcfgContainer [2021-11-13 23:09:23,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:09:23,292 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:09:23,292 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:09:23,303 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:09:23,303 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:09:23" (1/1) ... [2021-11-13 23:09:23,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:09:23,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:23,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2021-11-13 23:09:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-11-13 23:09:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:09:23,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:23,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:23,421 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 23:09:23,424 INFO L158 Benchmark]: Toolchain (without parser) took 1565.17ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.5MB in the beginning and 35.9MB in the end (delta: -2.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-13 23:09:23,425 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:09:23,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.57ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 32.9MB in the end (delta: 331.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 23:09:23,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.31ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 31.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:09:23,428 INFO L158 Benchmark]: Boogie Preprocessor took 63.22ms. Allocated memory is still 56.6MB. Free memory was 31.1MB in the beginning and 29.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:09:23,428 INFO L158 Benchmark]: RCFGBuilder took 657.22ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.5MB in the beginning and 42.0MB in the end (delta: -12.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-13 23:09:23,429 INFO L158 Benchmark]: CodeCheck took 130.56ms. Allocated memory is still 69.2MB. Free memory was 42.0MB in the beginning and 35.9MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:09:23,433 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 0.25ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.57ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 32.9MB in the end (delta: 331.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.31ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 31.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.22ms. Allocated memory is still 56.6MB. Free memory was 31.1MB in the beginning and 29.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.22ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.5MB in the beginning and 42.0MB in the end (delta: -12.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * CodeCheck took 130.56ms. Allocated memory is still 69.2MB. Free memory was 42.0MB in the beginning and 35.9MB 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 23:09:23,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9464a0-8b4b-4aee-bbf9-0dbfc98341b7/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