./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36.i -s /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2e6f430d1bede75828ec9336e2d71de262eb203d ......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 11:50:16,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 11:50:17,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 11:50:17,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 11:50:17,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 11:50:17,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 11:50:17,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 11:50:17,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 11:50:17,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 11:50:17,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 11:50:17,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 11:50:17,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 11:50:17,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 11:50:17,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 11:50:17,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 11:50:17,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 11:50:17,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 11:50:17,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 11:50:17,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 11:50:17,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 11:50:17,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 11:50:17,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 11:50:17,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 11:50:17,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 11:50:17,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 11:50:17,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 11:50:17,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 11:50:17,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 11:50:17,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 11:50:17,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 11:50:17,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 11:50:17,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 11:50:17,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 11:50:17,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 11:50:17,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 11:50:17,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 11:50:17,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 11:50:17,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 11:50:17,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 11:50:17,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 11:50:17,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 11:50:17,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-12-01 11:50:17,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 11:50:17,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 11:50:17,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 11:50:17,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 11:50:17,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 11:50:17,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 11:50:17,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 11:50:17,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 11:50:17,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 11:50:17,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 11:50:17,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 11:50:17,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 11:50:17,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 11:50:17,044 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 11:50:17,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 11:50:17,044 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 11:50:17,044 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 11:50:17,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 11:50:17,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 11:50:17,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 11:50:17,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 11:50:17,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 11:50:17,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 11:50:17,045 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 11:50:17,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 11:50:17,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 11:50:17,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-01 11:50:17,045 INFO L138 SettingsManager]: * To the following directory=dump/ 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-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak 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(__VERIFIER_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 -> 2e6f430d1bede75828ec9336e2d71de262eb203d [2019-12-01 11:50:17,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 11:50:17,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 11:50:17,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 11:50:17,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 11:50:17,159 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 11:50:17,160 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36.i [2019-12-01 11:50:17,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/data/de53866c9/73b2eedc05db4ebe9fa73b7f1a792e97/FLAG602afcc6c [2019-12-01 11:50:17,702 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 11:50:17,703 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36.i [2019-12-01 11:50:17,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/data/de53866c9/73b2eedc05db4ebe9fa73b7f1a792e97/FLAG602afcc6c [2019-12-01 11:50:18,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/data/de53866c9/73b2eedc05db4ebe9fa73b7f1a792e97 [2019-12-01 11:50:18,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 11:50:18,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 11:50:18,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 11:50:18,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 11:50:18,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 11:50:18,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cfaf01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18, skipping insertion in model container [2019-12-01 11:50:18,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 11:50:18,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 11:50:18,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 11:50:18,689 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 11:50:18,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 11:50:18,815 INFO L208 MainTranslator]: Completed translation [2019-12-01 11:50:18,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18 WrapperNode [2019-12-01 11:50:18,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 11:50:18,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 11:50:18,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 11:50:18,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 11:50:18,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 11:50:18,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 11:50:18,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 11:50:18,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 11:50:18,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18" (1/1) ... [2019-12-01 11:50:18,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 11:50:18,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 11:50:18,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 11:50:18,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 11:50:18,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:50:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 11:50:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-12-01 11:50:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-12-01 11:50:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 11:50:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 11:50:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 11:50:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 11:50:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-12-01 11:50:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-12-01 11:50:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 11:50:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-01 11:50:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-12-01 11:50:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-12-01 11:50:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure mite_irq [2019-12-01 11:50:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mite_irq [2019-12-01 11:50:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 11:50:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-12-01 11:50:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-12-01 11:50:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 11:50:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-12-01 11:50:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-12-01 11:50:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-12-01 11:50:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-12-01 11:50:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 11:50:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-12-01 11:50:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-12-01 11:50:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 11:50:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 11:50:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-12-01 11:50:30,522 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 11:50:30,522 INFO L287 CfgBuilder]: Removed 91 assume(true) statements. [2019-12-01 11:50:30,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:50:30 BoogieIcfgContainer [2019-12-01 11:50:30,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 11:50:30,524 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 11:50:30,524 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 11:50:30,530 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 11:50:30,531 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:50:30" (1/1) ... [2019-12-01 11:50:30,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 11:50:30,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:50:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 116 states and 165 transitions. [2019-12-01 11:50:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2019-12-01 11:50:30,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 11:50:30,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:50:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:50:30,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:50:30,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:50:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 114 states and 159 transitions. [2019-12-01 11:50:30,812 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2019-12-01 11:50:30,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 11:50:30,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:50:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:50:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:50:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:50:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 113 states and 157 transitions. [2019-12-01 11:50:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2019-12-01 11:50:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 11:50:30,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:50:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:50:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:50:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:50:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 110 states and 154 transitions. [2019-12-01 11:50:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 154 transitions. [2019-12-01 11:50:30,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 11:50:30,977 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-12-01 11:50:30,986 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 11:50:31,028 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,033 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,033 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,033 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,034 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,034 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,034 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,034 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,034 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,034 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,034 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,035 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,035 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,035 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,035 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,035 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,035 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,035 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,035 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,036 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,036 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,036 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,036 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,036 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,036 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,037 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,037 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,037 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,037 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,037 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,037 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,037 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,038 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:50:31,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:50:31 ImpRootNode [2019-12-01 11:50:31,038 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 11:50:31,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 11:50:31,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 11:50:31,039 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 11:50:31,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:50:30" (3/4) ... [2019-12-01 11:50:31,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 11:50:31,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rcu_read_lock_sched_notrace [2019-12-01 11:50:31,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2019-12-01 11:50:31,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_kmalloc [2019-12-01 11:50:31,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure readb [2019-12-01 11:50:31,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2019-12-01 11:50:31,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mite_irq [2019-12-01 11:50:31,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure writeb [2019-12-01 11:50:31,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2019-12-01 11:50:31,065 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 145 nodes and edges [2019-12-01 11:50:31,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2019-12-01 11:50:31,068 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-12-01 11:50:31,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 11:50:31,071 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 11:50:31,190 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_272e13e5-ecc7-4556-be2a-821fd47fa7be/bin/ukojak/witness.graphml [2019-12-01 11:50:31,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 11:50:31,192 INFO L168 Benchmark]: Toolchain (without parser) took 12958.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 226.5 MB. Max. memory is 11.5 GB. [2019-12-01 11:50:31,192 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 11:50:31,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -99.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-12-01 11:50:31,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 11:50:31,193 INFO L168 Benchmark]: Boogie Preprocessor took 61.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 11:50:31,194 INFO L168 Benchmark]: RCFGBuilder took 11570.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 908.9 MB in the end (delta: 113.6 MB). Peak memory consumption was 208.4 MB. Max. memory is 11.5 GB. [2019-12-01 11:50:31,194 INFO L168 Benchmark]: CodeCheck took 514.38 ms. Allocated memory is still 1.1 GB. Free memory was 908.9 MB in the beginning and 841.6 MB in the end (delta: 67.2 MB). Peak memory consumption was 67.2 MB. Max. memory is 11.5 GB. [2019-12-01 11:50:31,195 INFO L168 Benchmark]: Witness Printer took 151.72 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 841.6 MB in the beginning and 1.1 GB in the end (delta: -284.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2019-12-01 11:50:31,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 116 locations, 1 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 100 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 473 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 2319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2328]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1696]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2305]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2272]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2068]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1737]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2054]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2309]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2340]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1488]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -99.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11570.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 908.9 MB in the end (delta: 113.6 MB). Peak memory consumption was 208.4 MB. Max. memory is 11.5 GB. * CodeCheck took 514.38 ms. Allocated memory is still 1.1 GB. Free memory was 908.9 MB in the beginning and 841.6 MB in the end (delta: 67.2 MB). Peak memory consumption was 67.2 MB. Max. memory is 11.5 GB. * Witness Printer took 151.72 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 841.6 MB in the beginning and 1.1 GB in the end (delta: -284.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...