./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:52:19,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:52:19,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:52:19,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:52:19,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:52:19,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:52:19,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:52:19,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:52:19,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:52:19,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:52:19,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:52:19,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:52:19,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:52:19,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:52:19,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:52:19,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:52:19,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:52:19,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:52:19,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:52:19,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:52:19,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:52:19,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:52:19,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:52:19,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:52:19,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:52:19,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:52:19,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:52:19,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:52:19,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:52:19,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:52:19,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:52:19,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:52:19,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:52:19,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:52:19,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:52:19,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:52:19,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:52:19,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:52:19,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:52:19,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:52:19,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:52:19,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 00:52:19,962 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:52:19,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:52:19,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:52:19,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:52:19,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:52:19,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:52:19,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:52:19,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:52:19,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:52:19,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:52:19,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:52:19,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:52:19,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:52:19,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:52:19,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:52:19,978 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:52:19,978 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:52:19,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:52:19,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:19,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:52:19,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:52:19,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:52:19,980 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:52:19,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:52:19,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:52:19,982 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_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb [2021-11-23 00:52:20,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:52:20,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:52:20,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:52:20,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:52:20,293 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:52:20,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2021-11-23 00:52:20,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/data/190698af3/fccd4e9d17454f45a5b0243e452d0619/FLAG10fec6e21 [2021-11-23 00:52:21,033 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:52:21,034 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2021-11-23 00:52:21,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/data/190698af3/fccd4e9d17454f45a5b0243e452d0619/FLAG10fec6e21 [2021-11-23 00:52:21,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/data/190698af3/fccd4e9d17454f45a5b0243e452d0619 [2021-11-23 00:52:21,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:52:21,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:52:21,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:21,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:52:21,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:52:21,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:21" (1/1) ... [2021-11-23 00:52:21,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226b3886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:21, skipping insertion in model container [2021-11-23 00:52:21,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:21" (1/1) ... [2021-11-23 00:52:21,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:52:21,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:52:22,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2021-11-23 00:52:22,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:22,452 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:52:22,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2021-11-23 00:52:22,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:22,883 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:52:22,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22 WrapperNode [2021-11-23 00:52:22,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:22,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:22,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:52:22,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:52:22,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2021-11-23 00:52:22,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2021-11-23 00:52:23,045 INFO L137 Inliner]: procedures = 143, calls = 514, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 484 [2021-11-23 00:52:23,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:23,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:52:23,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:52:23,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:52:23,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2021-11-23 00:52:23,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2021-11-23 00:52:23,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2021-11-23 00:52:23,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2021-11-23 00:52:23,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2021-11-23 00:52:23,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2021-11-23 00:52:23,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2021-11-23 00:52:23,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:52:23,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:52:23,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:52:23,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:52:23,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:22" (1/1) ... [2021-11-23 00:52:23,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:23,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:52:23,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:52:23,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:52:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2021-11-23 00:52:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2021-11-23 00:52:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:52:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-23 00:52:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-23 00:52:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 00:52:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 00:52:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:52:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 00:52:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 00:52:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 00:52:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 00:52:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:52:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:52:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2021-11-23 00:52:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2021-11-23 00:52:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:52:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:52:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 00:52:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 00:52:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 00:52:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 00:52:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:52:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:52:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:52:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 00:52:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 00:52:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:52:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:52:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 00:52:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 00:52:23,595 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:52:23,597 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:52:24,156 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:52:24,333 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:52:24,333 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:52:24,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:24 BoogieIcfgContainer [2021-11-23 00:52:24,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:52:24,340 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:52:24,340 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:52:24,351 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:52:24,352 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:24,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:52:24,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 80 states and 101 transitions. [2021-11-23 00:52:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2021-11-23 00:52:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:52:24,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:24,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:24,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 100 transitions. [2021-11-23 00:52:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2021-11-23 00:52:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:52:24,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:24,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:52:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 108 transitions. [2021-11-23 00:52:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2021-11-23 00:52:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:52:25,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:25,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:52:25,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 87 states and 111 transitions. [2021-11-23 00:52:25,280 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2021-11-23 00:52:25,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:52:25,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:25,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:52:25,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 93 states and 120 transitions. [2021-11-23 00:52:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2021-11-23 00:52:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:52:25,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:25,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:25,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:52:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 97 states and 125 transitions. [2021-11-23 00:52:25,638 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2021-11-23 00:52:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:52:25,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:25,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:52:25,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 136 transitions. [2021-11-23 00:52:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 136 transitions. [2021-11-23 00:52:25,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:52:25,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:25,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:52:25,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:25,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 108 states and 141 transitions. [2021-11-23 00:52:25,893 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 141 transitions. [2021-11-23 00:52:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:52:25,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:25,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:52:25,981 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:52:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:52:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:52:26,316 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:52:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:52:26,521 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2021-11-23 00:52:26,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:52:26 ImpRootNode [2021-11-23 00:52:26,636 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:52:26,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:52:26,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:52:26,637 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:52:26,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:24" (3/4) ... [2021-11-23 00:52:26,641 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 00:52:26,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:52:26,642 INFO L158 Benchmark]: Toolchain (without parser) took 5444.38ms. Allocated memory was 136.3MB in the beginning and 257.9MB in the end (delta: 121.6MB). Free memory was 90.1MB in the beginning and 161.9MB in the end (delta: -71.8MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2021-11-23 00:52:26,643 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:52:26,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1683.37ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 89.9MB in the beginning and 106.7MB in the end (delta: -16.8MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2021-11-23 00:52:26,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.62ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 101.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:52:26,645 INFO L158 Benchmark]: Boogie Preprocessor took 102.59ms. Allocated memory is still 163.6MB. Free memory was 101.8MB in the beginning and 97.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:52:26,646 INFO L158 Benchmark]: RCFGBuilder took 1185.72ms. Allocated memory is still 163.6MB. Free memory was 97.6MB in the beginning and 101.3MB in the end (delta: -3.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2021-11-23 00:52:26,647 INFO L158 Benchmark]: CodeCheck took 2295.78ms. Allocated memory was 163.6MB in the beginning and 257.9MB in the end (delta: 94.4MB). Free memory was 101.3MB in the beginning and 161.9MB in the end (delta: -60.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2021-11-23 00:52:26,647 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 257.9MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:52:26,651 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 11 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 8, 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, 663 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 554 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 266 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 267 IncrementalHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 406 mSDtfsCounter, 267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1463 GetRequests, 1461 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 391 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 36/36 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 - UnprovableResult [Line: 4295]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 4185. Possible FailurePath: [L3648] static int major ; [L3649] static int index ; [L3974-L3975] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4173-L4174] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4175-L4178] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4179-L4180] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4202] struct virtio_device_id const __mod_virtio_device_table ; [L4207] int LDV_IN_INTERRUPT ; [L4348] int ldv_blk_rq = 0; [L4210] struct block_device *var_group1 ; [L4211] fmode_t var_virtblk_ioctl_5_p1 ; [L4212] unsigned int var_virtblk_ioctl_5_p2 ; [L4213] unsigned long var_virtblk_ioctl_5_p3 ; [L4214] struct hd_geometry *var_group2 ; [L4215] int tmp ; [L4216] int tmp___0 ; [L4217] int tmp___1 ; [L4219] LDV_IN_INTERRUPT = 1 [L4220] FCALL ldv_initialize() [L4221] FCALL ldv_handler_precall() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] CALL, EXPR init() [L4183] int tmp ; [L4185] CALL, EXPR register_blkdev(0U, "virtblk") [L4531] return __VERIFIER_nondet_int(); [L4185] RET, EXPR register_blkdev(0U, "virtblk") [L4185] major = register_blkdev(0U, "virtblk") [L4186] COND FALSE !(major < 0) [L4190] CALL, EXPR register_virtio_driver(& virtio_blk) [L4535] return __VERIFIER_nondet_int(); [L4190] RET, EXPR register_virtio_driver(& virtio_blk) [L4190] tmp = register_virtio_driver(& virtio_blk) [L4191] return (tmp); [L4222] RET, EXPR init() [L4222] tmp = init() [L4223] COND FALSE !(tmp != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND TRUE tmp___1 != 0 [L4229] tmp___0 = __VERIFIER_nondet_int() [L4231] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, tmp=0, tmp___0=0, tmp___1=-2147483648, virtblk_fops={12:0}, virtio_blk={15:0}] [L4232] FCALL ldv_handler_precall() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, tmp=0, tmp___0=0, tmp___1=-2147483648, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] CALL virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L3912] struct gendisk *disk ; [L3913] struct virtio_blk *vblk ; [L3914] void *usr_data ; [L3915] char id_str[20U] ; [L3916] int err ; [L3917] int tmp ; [L3918] bool tmp___0 ; [L3919] int tmp___1 ; [L3920] int tmp___2 ; [L3922] EXPR bdev->bd_disk [L3922] disk = bdev->bd_disk [L3923] EXPR disk->private_data [L3923] vblk = (struct virtio_blk *)disk->private_data [L3924] COND TRUE cmd == 1447184708U [L3925] usr_data = (void *)data [L3926] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3879] struct virtio_blk *vblk ; [L3880] struct request *req ; [L3881] struct bio *bio ; [L3882] long tmp ; [L3883] long tmp___0 ; [L3884] long tmp___1 ; [L3885] long tmp___2 ; [L3886] int tmp___3 ; [L3888] EXPR disk->private_data [L3888] vblk = (struct virtio_blk *)disk->private_data [L3889] EXPR vblk->disk [L3889] EXPR (vblk->disk)->queue [L3889] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4427] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [\old(size)=112, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, size=112, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(arg2)=20, \old(arg3)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, arg0={44:53}, arg0={44:53}, arg1={5097:0}, arg1={5097:0}, arg2=20, arg3=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct bio))={0:0}, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] return ldv_malloc(sizeof(struct bio)); [L3889] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3889] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3890] CALL, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3890] RET, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, bio={0:0}, disk={35:0}, disk={35:0}, features={14:0}, id_str={5097:0}, id_str={5097:0}, id_table={13:0}, index=0, IS_ERR((void const *)bio)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, vblk={62:17014}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] tmp___0 = IS_ERR((void const *)bio) [L3891] COND FALSE !(tmp___0 != 0L) [L3896] EXPR vblk->disk [L3896] EXPR (vblk->disk)->queue [L3896] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4283] ldv_func_ret_type___3 ldv_func_res ; [L4284] struct request *tmp ; [L4286] CALL, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4443] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [\old(size)=322, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, size=322, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(arg2)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, arg0={44:53}, arg0={44:53}, arg1={0:0}, arg1={0:0}, arg2=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct request))={0:0}, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] return ldv_malloc(sizeof(struct request)); [L4286] RET, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4286] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4287] ldv_func_res = tmp [L4288] CALL ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4351] long tmp ; VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4353] COND TRUE ldv_blk_rq == 0 VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=1, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4357] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4358] ldv_blk_rq = 1 VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4288] RET ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4289] return (ldv_func_res); [L3896] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3896] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3897] CALL, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, major=1, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3897] RET, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, bio={0:0}, disk={35:0}, disk={35:0}, features={14:0}, id_str={5097:0}, id_str={5097:0}, id_table={13:0}, index=0, IS_ERR((void const *)req)=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, req={0:0}, tmp___0=0, vblk={62:17014}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] tmp___2 = IS_ERR((void const *)req) [L3898] COND FALSE !(tmp___2 != 0L) [L3904] req->cmd_type = 7 [L3905] EXPR vblk->disk [L3905] EXPR (vblk->disk)->queue [L3905] EXPR vblk->disk [L3905] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4437] return __VERIFIER_nondet_int(); [L3905] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3905] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3906] return (tmp___3); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, bio={0:0}, disk={35:0}, disk={35:0}, features={14:0}, id_str={5097:0}, id_str={5097:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, req={0:0}, tmp___0=0, tmp___2=0, tmp___3=0, vblk={62:17014}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3926] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3926] err = virtblk_get_id(disk, (char *)(& id_str)) [L3927] COND TRUE err == 0 [L3928] CALL, EXPR copy_to_user(usr_data, (void const *)(& id_str), 20U) [L3201] unsigned long tmp ; [L3203] FCALL might_fault() [L3204] CALL, EXPR _copy_to_user(dst, src, size) [L4411] return __VERIFIER_nondet_ulong(); [L3204] RET, EXPR _copy_to_user(dst, src, size) [L3204] tmp = _copy_to_user(dst, src, size) [L3205] return ((int )tmp); [L3928] RET, EXPR copy_to_user(usr_data, (void const *)(& id_str), 20U) [L3928] tmp = copy_to_user(usr_data, (void const *)(& id_str), 20U) [L3929] COND FALSE !(tmp != 0) [L3935] return (err); [L3935] return (err); VAL [\old(cmd)=1447184708, \old(data)=9223372036854775807, \old(mode)=71, \result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, bdev={0:0}, bdev={0:0}, cmd=1447184708, copy_to_user(usr_data, (void const *)(& id_str), 20U)=0, data=9223372036854775807, disk={35:0}, err=0, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, mode=71, tmp=0, usr_data={0:9223372036854775807}, vblk={62:17014}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] RET virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND FALSE !(tmp___1 != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, tmp=0, tmp___0=0, tmp___1=0, var_group1={0:0}, var_virtblk_ioctl_5_p1=71, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=9223372036854775807, virtblk_fops={12:0}, virtio_blk={15:0}] [L4249] FCALL ldv_handler_precall() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, tmp=0, tmp___0=0, tmp___1=0, var_group1={0:0}, var_virtblk_ioctl_5_p1=71, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=9223372036854775807, virtblk_fops={12:0}, virtio_blk={15:0}] [L4250] CALL fini() [L4197] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4198] FCALL unregister_virtio_driver(& virtio_blk) [L4250] RET fini() [L4252] CALL ldv_check_final_state() [L4385] COND FALSE !(ldv_blk_rq == 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4387] CALL ldv_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4295] reach_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={66:17}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=1, virtblk_fops={12:0}, virtio_blk={15:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1683.37ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 89.9MB in the beginning and 106.7MB in the end (delta: -16.8MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.62ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 101.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.59ms. Allocated memory is still 163.6MB. Free memory was 101.8MB in the beginning and 97.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1185.72ms. Allocated memory is still 163.6MB. Free memory was 97.6MB in the beginning and 101.3MB in the end (delta: -3.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * CodeCheck took 2295.78ms. Allocated memory was 163.6MB in the beginning and 257.9MB in the end (delta: 94.4MB). Free memory was 101.3MB in the beginning and 161.9MB in the end (delta: -60.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 257.9MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 00:52:26,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/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_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:52:29,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:52:29,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:52:29,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:52:29,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:52:29,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:52:29,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:52:29,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:52:29,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:52:29,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:52:29,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:52:29,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:52:29,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:52:29,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:52:29,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:52:29,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:52:29,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:52:29,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:52:29,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:52:29,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:52:29,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:52:29,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:52:29,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:52:29,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:52:29,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:52:29,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:52:29,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:52:29,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:52:29,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:52:29,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:52:29,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:52:29,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:52:29,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:52:29,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:52:29,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:52:29,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:52:29,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:52:29,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:52:29,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:52:29,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:52:29,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:52:29,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 00:52:29,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:52:29,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:52:29,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:52:29,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:52:29,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:52:29,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:52:29,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:52:29,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:52:29,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:52:29,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:52:29,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:52:29,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:52:29,323 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:52:29,323 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:52:29,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:52:29,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:52:29,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:52:29,324 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:52:29,324 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:52:29,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:52:29,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:29,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:52:29,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:52:29,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:52:29,326 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:52:29,326 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:52:29,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:52:29,326 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:52:29,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:52:29,327 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_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb [2021-11-23 00:52:29,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:52:29,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:52:29,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:52:29,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:52:29,718 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:52:29,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2021-11-23 00:52:29,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/data/9f84eee77/7f1d1dd48bf14c2e995d622ef433d0d9/FLAGd7fa4a4bf [2021-11-23 00:52:30,597 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:52:30,598 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2021-11-23 00:52:30,644 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/data/9f84eee77/7f1d1dd48bf14c2e995d622ef433d0d9/FLAGd7fa4a4bf [2021-11-23 00:52:30,673 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/data/9f84eee77/7f1d1dd48bf14c2e995d622ef433d0d9 [2021-11-23 00:52:30,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:52:30,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:52:30,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:30,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:52:30,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:52:30,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:30" (1/1) ... [2021-11-23 00:52:30,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dbf41d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:30, skipping insertion in model container [2021-11-23 00:52:30,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:30" (1/1) ... [2021-11-23 00:52:30,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:52:30,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:52:31,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2021-11-23 00:52:31,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:31,816 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 00:52:31,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:52:31,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2021-11-23 00:52:32,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:32,006 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:52:32,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2021-11-23 00:52:32,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:32,286 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:52:32,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32 WrapperNode [2021-11-23 00:52:32,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:32,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:32,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:52:32,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:52:32,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32" (1/1) ... [2021-11-23 00:52:32,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32" (1/1) ... [2021-11-23 00:52:32,415 INFO L137 Inliner]: procedures = 150, calls = 514, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 458 [2021-11-23 00:52:32,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:32,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:52:32,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:52:32,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:52:32,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32" (1/1) ... [2021-11-23 00:52:32,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32" (1/1) ... [2021-11-23 00:52:32,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32" (1/1) ... [2021-11-23 00:52:32,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32" (1/1) ... [2021-11-23 00:52:32,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32" (1/1) ... [2021-11-23 00:52:32,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32" (1/1) ... [2021-11-23 00:52:32,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32" (1/1) ... [2021-11-23 00:52:32,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:52:32,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:52:32,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:52:32,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:52:32,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:32" (1/1) ... [2021-11-23 00:52:32,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:32,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:52:32,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:52:32,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:52:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 00:52:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 00:52:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2021-11-23 00:52:32,603 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2021-11-23 00:52:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 00:52:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2021-11-23 00:52:32,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2021-11-23 00:52:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 00:52:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 00:52:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 00:52:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 00:52:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 00:52:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 00:52:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:52:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:52:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2021-11-23 00:52:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2021-11-23 00:52:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:52:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:52:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 00:52:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 00:52:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 00:52:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 00:52:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 00:52:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 00:52:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:52:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:52:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:52:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:52:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 00:52:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 00:52:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 00:52:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:52:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:52:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 00:52:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 00:52:33,010 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:52:33,014 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:52:33,930 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:52:34,126 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:52:34,126 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:52:34,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:34 BoogieIcfgContainer [2021-11-23 00:52:34,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:52:34,131 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:52:34,131 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:52:34,141 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:52:34,142 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:34" (1/1) ... [2021-11-23 00:52:34,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:52:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:34,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 80 states and 101 transitions. [2021-11-23 00:52:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2021-11-23 00:52:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:52:34,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:34,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:34,301 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) [2021-11-23 00:52:34,309 INFO L158 Benchmark]: Toolchain (without parser) took 3628.20ms. Allocated memory was 67.1MB in the beginning and 159.4MB in the end (delta: 92.3MB). Free memory was 42.2MB in the beginning and 98.7MB in the end (delta: -56.6MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2021-11-23 00:52:34,310 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:52:34,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1607.04ms. Allocated memory was 67.1MB in the beginning and 102.8MB in the end (delta: 35.7MB). Free memory was 42.0MB in the beginning and 45.0MB in the end (delta: -3.1MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2021-11-23 00:52:34,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.54ms. Allocated memory is still 102.8MB. Free memory was 45.0MB in the beginning and 40.2MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:52:34,314 INFO L158 Benchmark]: Boogie Preprocessor took 96.70ms. Allocated memory is still 102.8MB. Free memory was 40.2MB in the beginning and 68.7MB in the end (delta: -28.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-23 00:52:34,315 INFO L158 Benchmark]: RCFGBuilder took 1615.72ms. Allocated memory was 102.8MB in the beginning and 159.4MB in the end (delta: 56.6MB). Free memory was 68.7MB in the beginning and 105.0MB in the end (delta: -36.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-11-23 00:52:34,316 INFO L158 Benchmark]: CodeCheck took 175.44ms. Allocated memory is still 159.4MB. Free memory was 105.0MB in the beginning and 98.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:52:34,327 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 0.29ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1607.04ms. Allocated memory was 67.1MB in the beginning and 102.8MB in the end (delta: 35.7MB). Free memory was 42.0MB in the beginning and 45.0MB in the end (delta: -3.1MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.54ms. Allocated memory is still 102.8MB. Free memory was 45.0MB in the beginning and 40.2MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.70ms. Allocated memory is still 102.8MB. Free memory was 40.2MB in the beginning and 68.7MB in the end (delta: -28.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1615.72ms. Allocated memory was 102.8MB in the beginning and 159.4MB in the end (delta: 56.6MB). Free memory was 68.7MB in the beginning and 105.0MB in the end (delta: -36.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * CodeCheck took 175.44ms. Allocated memory is still 159.4MB. Free memory was 105.0MB in the beginning and 98.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:52:34,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0520bf-77a0-4b98-aaed-a0cfb5f9d25f/bin/ukojak-LBtLqBUTdQ/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