./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/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 842dd2d0fe711f35eadb4ba17729a5a32f7af8f5 ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:33:23,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:33:23,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:33:23,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:33:23,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:33:23,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:33:23,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:33:23,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:33:23,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:33:23,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:33:23,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:33:23,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:33:23,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:33:23,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:33:23,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:33:23,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:33:23,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:33:23,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:33:23,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:33:23,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:33:23,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:33:23,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:33:23,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:33:23,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:33:23,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:33:23,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:33:23,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:33:23,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:33:23,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:33:23,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:33:23,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:33:23,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:33:23,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:33:23,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:33:23,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:33:23,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:33:23,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:33:23,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:33:23,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:33:23,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:33:23,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:33:23,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-26 02:33:23,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:33:23,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:33:23,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:33:23,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:33:23,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:33:23,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:33:23,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:33:23,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:33:23,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:33:23,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:33:23,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:33:23,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:33:23,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:33:23,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:33:23,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:33:23,890 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:33:23,891 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:33:23,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:33:23,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:33:23,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:33:23,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:33:23,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:33:23,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:33:23,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:33:23,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:33:23,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:33:23,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:33:23,893 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_b034c2af-9761-4780-88c5-cfacd57ba810/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 -> 842dd2d0fe711f35eadb4ba17729a5a32f7af8f5 [2019-11-26 02:33:24,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:33:24,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:33:24,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:33:24,058 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:33:24,059 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:33:24,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i [2019-11-26 02:33:24,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/data/5d3aaa4bc/e1b89ff803c14ef28c03c533cf2e1215/FLAG9b258bf6b [2019-11-26 02:33:24,715 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:33:24,716 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36.i [2019-11-26 02:33:24,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/data/5d3aaa4bc/e1b89ff803c14ef28c03c533cf2e1215/FLAG9b258bf6b [2019-11-26 02:33:25,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/data/5d3aaa4bc/e1b89ff803c14ef28c03c533cf2e1215 [2019-11-26 02:33:25,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:33:25,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:33:25,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:33:25,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:33:25,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:33:25,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:33:25" (1/1) ... [2019-11-26 02:33:25,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677756f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:25, skipping insertion in model container [2019-11-26 02:33:25,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:33:25" (1/1) ... [2019-11-26 02:33:25,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:33:25,243 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:33:25,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:33:25,866 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:33:26,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:33:26,101 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:33:26,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26 WrapperNode [2019-11-26 02:33:26,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:33:26,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:33:26,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:33:26,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:33:26,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26" (1/1) ... [2019-11-26 02:33:26,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26" (1/1) ... [2019-11-26 02:33:26,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:33:26,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:33:26,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:33:26,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:33:26,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26" (1/1) ... [2019-11-26 02:33:26,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26" (1/1) ... [2019-11-26 02:33:26,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26" (1/1) ... [2019-11-26 02:33:26,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26" (1/1) ... [2019-11-26 02:33:26,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26" (1/1) ... [2019-11-26 02:33:26,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26" (1/1) ... [2019-11-26 02:33:26,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26" (1/1) ... [2019-11-26 02:33:26,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:33:26,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:33:26,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:33:26,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:33:26,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:33:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/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 [2019-11-26 02:33:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-26 02:33:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-26 02:33:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 02:33:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:33:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:33:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 02:33:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-11-26 02:33:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-11-26 02:33:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:33:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 02:33:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-11-26 02:33:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-11-26 02:33:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:33:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-26 02:33:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-26 02:33:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-26 02:33:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-26 02:33:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-11-26 02:33:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-11-26 02:33:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:33:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-26 02:33:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-26 02:33:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:33:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:33:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:33:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-26 02:33:28,988 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:33:28,988 INFO L284 CfgBuilder]: Removed 83 assume(true) statements. [2019-11-26 02:33:28,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:33:28 BoogieIcfgContainer [2019-11-26 02:33:28,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:33:28,990 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:33:28,990 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:33:28,999 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:33:28,999 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:33:28" (1/1) ... [2019-11-26 02:33:29,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:33:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:33:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 94 states and 134 transitions. [2019-11-26 02:33:29,056 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2019-11-26 02:33:29,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:33:29,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:33:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:33:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:33:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:33:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 92 states and 128 transitions. [2019-11-26 02:33:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2019-11-26 02:33:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:33:29,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:33:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:33:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:33:29,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:33:29,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 91 states and 126 transitions. [2019-11-26 02:33:29,561 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2019-11-26 02:33:29,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:33:29,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:33:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:33:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:33:29,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:33:29,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 88 states and 123 transitions. [2019-11-26 02:33:29,683 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2019-11-26 02:33:29,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:33:29,685 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-11-26 02:33:29,694 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:33:29,752 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,756 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,756 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,756 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,756 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,757 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,757 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,757 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,757 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,757 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,757 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,757 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,758 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,758 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,758 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,758 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,758 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,758 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,758 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:33:29,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:33:29 ImpRootNode [2019-11-26 02:33:29,761 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:33:29,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:33:29,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:33:29,762 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:33:29,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:33:28" (3/4) ... [2019-11-26 02:33:29,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:33:29,770 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rcu_read_lock_sched_notrace [2019-11-26 02:33:29,771 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2019-11-26 02:33:29,771 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_kmalloc [2019-11-26 02:33:29,771 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure writel [2019-11-26 02:33:29,771 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2019-11-26 02:33:29,771 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2019-11-26 02:33:29,771 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2019-11-26 02:33:29,786 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2019-11-26 02:33:29,788 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2019-11-26 02:33:29,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-26 02:33:29,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:33:29,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:33:30,040 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b034c2af-9761-4780-88c5-cfacd57ba810/bin/ukojak/witness.graphml [2019-11-26 02:33:30,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:33:30,043 INFO L168 Benchmark]: Toolchain (without parser) took 4885.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 937.9 MB in the beginning and 961.1 MB in the end (delta: -23.2 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:33:30,043 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-26 02:33:30,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:33:30,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:33:30,046 INFO L168 Benchmark]: Boogie Preprocessor took 89.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:33:30,047 INFO L168 Benchmark]: RCFGBuilder took 2674.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.2 MB). Peak memory consumption was 219.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:33:30,047 INFO L168 Benchmark]: CodeCheck took 771.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.8 MB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:33:30,047 INFO L168 Benchmark]: Witness Printer took 279.64 ms. Allocated memory is still 1.2 GB. Free memory was 993.8 MB in the beginning and 961.1 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:33:30,049 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 8 procedures, 94 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 254 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, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 437 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: 2150]: 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: 2036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1402]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1441]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1661]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1460]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2031]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 943.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2674.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.2 MB). Peak memory consumption was 219.7 MB. Max. memory is 11.5 GB. * CodeCheck took 771.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.8 MB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. * Witness Printer took 279.64 ms. Allocated memory is still 1.2 GB. Free memory was 993.8 MB in the beginning and 961.1 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...