./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c71c8ad72880cb84277e62b04a7d1e6999cf259f90883ecbd7f670c614450b6e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:23:43,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:23:43,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:23:43,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:23:43,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:23:43,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:23:43,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:23:43,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:23:43,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:23:43,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:23:43,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:23:43,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:23:43,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:23:43,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:23:43,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:23:43,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:23:43,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:23:43,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:23:43,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:23:43,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:23:43,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:23:43,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:23:43,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:23:43,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:23:43,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:23:43,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:23:43,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:23:43,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:23:43,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:23:43,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:23:43,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:23:43,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:23:43,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:23:43,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:23:43,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:23:43,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:23:43,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:23:43,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:23:43,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:23:43,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:23:43,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:23:43,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:23:43,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:23:43,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:23:43,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:23:43,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:23:43,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:23:43,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:23:43,447 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:23:43,448 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:23:43,448 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:23:43,448 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:23:43,449 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:23:43,449 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:23:43,449 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:23:43,450 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:23:43,450 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:23:43,450 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:23:43,450 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:23:43,450 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:23:43,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:23:43,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:23:43,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:23:43,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:23:43,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:23:43,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:23:43,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:23:43,453 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:23:43,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:23:43,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:23:43,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:23:43,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:43,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:23:43,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:23:43,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:23:43,456 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:23:43,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:23:43,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:23:43,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:23:43,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:23:43,457 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c71c8ad72880cb84277e62b04a7d1e6999cf259f90883ecbd7f670c614450b6e [2021-11-25 18:23:43,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:23:43,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:23:43,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:23:43,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:23:43,767 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:23:43,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2021-11-25 18:23:43,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/data/21d3a7442/cd0357207cf6448fb7dd497824acfa5a/FLAG1b39405d4 [2021-11-25 18:23:44,810 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:23:44,812 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2021-11-25 18:23:44,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/data/21d3a7442/cd0357207cf6448fb7dd497824acfa5a/FLAG1b39405d4 [2021-11-25 18:23:45,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/data/21d3a7442/cd0357207cf6448fb7dd497824acfa5a [2021-11-25 18:23:45,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:23:45,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:23:45,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:45,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:23:45,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:23:45,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:45" (1/1) ... [2021-11-25 18:23:45,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cba1b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:45, skipping insertion in model container [2021-11-25 18:23:45,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:45" (1/1) ... [2021-11-25 18:23:45,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:23:45,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:23:48,385 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_816bf276-a12a-43c9-8535-152b4f9953f6/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i[314638,314651] [2021-11-25 18:23:48,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:48,481 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:23:48,923 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_816bf276-a12a-43c9-8535-152b4f9953f6/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i[314638,314651] [2021-11-25 18:23:48,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:49,074 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:23:49,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49 WrapperNode [2021-11-25 18:23:49,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:49,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:49,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:23:49,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:23:49,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (1/1) ... [2021-11-25 18:23:49,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (1/1) ... [2021-11-25 18:23:49,293 INFO L137 Inliner]: procedures = 448, calls = 3142, calls flagged for inlining = 108, calls inlined = 6, statements flattened = 279 [2021-11-25 18:23:49,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:49,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:23:49,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:23:49,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:23:49,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (1/1) ... [2021-11-25 18:23:49,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (1/1) ... [2021-11-25 18:23:49,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (1/1) ... [2021-11-25 18:23:49,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (1/1) ... [2021-11-25 18:23:49,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (1/1) ... [2021-11-25 18:23:49,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (1/1) ... [2021-11-25 18:23:49,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (1/1) ... [2021-11-25 18:23:49,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:23:49,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:23:49,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:23:49,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:23:49,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (1/1) ... [2021-11-25 18:23:49,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:49,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:49,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:23:49,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:23:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-11-25 18:23:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-11-25 18:23:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:23:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:23:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure index_prepare_for_write [2021-11-25 18:23:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure index_prepare_for_write [2021-11-25 18:23:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure index_check [2021-11-25 18:23:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure index_check [2021-11-25 18:23:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-25 18:23:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-25 18:23:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:23:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:23:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:23:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-11-25 18:23:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-11-25 18:23:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:23:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:23:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 18:23:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 18:23:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bufio_get_block_number [2021-11-25 18:23:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bufio_get_block_number [2021-11-25 18:23:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-11-25 18:23:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-11-25 18:23:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure to_buffer [2021-11-25 18:23:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure to_buffer [2021-11-25 18:23:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:23:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-11-25 18:23:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-11-25 18:23:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-25 18:23:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-25 18:23:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_check [2021-11-25 18:23:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_check [2021-11-25 18:23:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:23:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_prepare_for_write [2021-11-25 18:23:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_prepare_for_write [2021-11-25 18:23:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:23:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 18:23:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 18:23:49,742 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:23:49,744 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:23:50,193 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:23:50,309 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:23:50,309 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:23:50,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:50 BoogieIcfgContainer [2021-11-25 18:23:50,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:23:50,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:23:50,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:23:50,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:23:50,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:23:45" (1/3) ... [2021-11-25 18:23:50,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498df5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:23:50, skipping insertion in model container [2021-11-25 18:23:50,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:49" (2/3) ... [2021-11-25 18:23:50,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498df5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:23:50, skipping insertion in model container [2021-11-25 18:23:50,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:50" (3/3) ... [2021-11-25 18:23:50,323 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2021-11-25 18:23:50,331 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:23:50,331 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:23:50,392 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:23:50,399 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:23:50,399 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:23:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 65 states have internal predecessors, (73), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2021-11-25 18:23:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 18:23:50,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:50,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:50,425 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:23:50,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:50,430 INFO L85 PathProgramCache]: Analyzing trace with hash 788173830, now seen corresponding path program 1 times [2021-11-25 18:23:50,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:50,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174938296] [2021-11-25 18:23:50,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:50,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:50,815 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:50,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174938296] [2021-11-25 18:23:50,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174938296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:50,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:50,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:23:50,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116745059] [2021-11-25 18:23:50,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:50,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:23:50,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:50,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:23:50,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:50,861 INFO L87 Difference]: Start difference. First operand has 110 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 65 states have internal predecessors, (73), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:23:50,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:50,976 INFO L93 Difference]: Finished difference Result 118 states and 150 transitions. [2021-11-25 18:23:50,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:23:50,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2021-11-25 18:23:50,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:50,990 INFO L225 Difference]: With dead ends: 118 [2021-11-25 18:23:50,991 INFO L226 Difference]: Without dead ends: 104 [2021-11-25 18:23:50,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:50,998 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 129 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:50,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 120 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:23:51,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-25 18:23:51,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-11-25 18:23:51,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 60 states have internal predecessors, (68), 33 states have call successors, (33), 15 states have call predecessors, (33), 13 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2021-11-25 18:23:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2021-11-25 18:23:51,082 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 10 [2021-11-25 18:23:51,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:51,083 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2021-11-25 18:23:51,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:23:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2021-11-25 18:23:51,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 18:23:51,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:51,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:51,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:23:51,088 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:23:51,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:51,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1336595812, now seen corresponding path program 1 times [2021-11-25 18:23:51,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:51,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173341388] [2021-11-25 18:23:51,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:51,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:51,252 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:51,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173341388] [2021-11-25 18:23:51,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173341388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:51,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:51,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:23:51,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420137926] [2021-11-25 18:23:51,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:51,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:23:51,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:51,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:23:51,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:51,264 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:23:51,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:51,355 INFO L93 Difference]: Finished difference Result 104 states and 132 transitions. [2021-11-25 18:23:51,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:23:51,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-25 18:23:51,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:51,356 INFO L225 Difference]: With dead ends: 104 [2021-11-25 18:23:51,357 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 18:23:51,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:51,364 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 121 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:51,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 115 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:23:51,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 18:23:51,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 18:23:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 18:23:51,369 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-11-25 18:23:51,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:51,370 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 18:23:51,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:23:51,370 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 18:23:51,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 18:23:51,374 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 18:23:51,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:23:51,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 18:23:51,605 INFO L861 garLoopResultBuilder]: At program point index_checkENTRY(lines 5903 5941) the Hoare annotation is: true [2021-11-25 18:23:51,605 INFO L861 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2021-11-25 18:23:51,605 INFO L858 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2021-11-25 18:23:51,606 INFO L861 garLoopResultBuilder]: At program point L5915(line 5915) the Hoare annotation is: true [2021-11-25 18:23:51,606 INFO L858 garLoopResultBuilder]: For program point L5915-1(line 5915) no Hoare annotation was computed. [2021-11-25 18:23:51,606 INFO L861 garLoopResultBuilder]: At program point L5917(line 5917) the Hoare annotation is: true [2021-11-25 18:23:51,606 INFO L858 garLoopResultBuilder]: For program point L5917-1(line 5917) no Hoare annotation was computed. [2021-11-25 18:23:51,607 INFO L861 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2021-11-25 18:23:51,607 INFO L858 garLoopResultBuilder]: For program point L5913-1(line 5913) no Hoare annotation was computed. [2021-11-25 18:23:51,607 INFO L861 garLoopResultBuilder]: At program point L5930(line 5930) the Hoare annotation is: true [2021-11-25 18:23:51,607 INFO L858 garLoopResultBuilder]: For program point L5930-1(line 5930) no Hoare annotation was computed. [2021-11-25 18:23:51,607 INFO L858 garLoopResultBuilder]: For program point L5918(lines 5918 5923) no Hoare annotation was computed. [2021-11-25 18:23:51,608 INFO L858 garLoopResultBuilder]: For program point L5916(lines 5916 5926) no Hoare annotation was computed. [2021-11-25 18:23:51,608 INFO L858 garLoopResultBuilder]: For program point L5918-2(lines 5918 5923) no Hoare annotation was computed. [2021-11-25 18:23:51,609 INFO L858 garLoopResultBuilder]: For program point index_checkEXIT(lines 5903 5941) no Hoare annotation was computed. [2021-11-25 18:23:51,609 INFO L861 garLoopResultBuilder]: At program point L5927(lines 5927 5928) the Hoare annotation is: true [2021-11-25 18:23:51,609 INFO L858 garLoopResultBuilder]: For program point index_checkFINAL(lines 5903 5941) no Hoare annotation was computed. [2021-11-25 18:23:51,609 INFO L858 garLoopResultBuilder]: For program point L5927-1(lines 5927 5928) no Hoare annotation was computed. [2021-11-25 18:23:51,609 INFO L858 garLoopResultBuilder]: For program point L5929(lines 5929 5938) no Hoare annotation was computed. [2021-11-25 18:23:51,610 INFO L861 garLoopResultBuilder]: At program point dm_bufio_get_block_numberENTRY(lines 11636 11638) the Hoare annotation is: true [2021-11-25 18:23:51,610 INFO L858 garLoopResultBuilder]: For program point dm_bufio_get_block_numberEXIT(lines 11636 11638) no Hoare annotation was computed. [2021-11-25 18:23:51,610 INFO L861 garLoopResultBuilder]: At program point L5371(line 5371) the Hoare annotation is: true [2021-11-25 18:23:51,610 INFO L861 garLoopResultBuilder]: At program point L11633-1(line 11633) the Hoare annotation is: true [2021-11-25 18:23:51,611 INFO L858 garLoopResultBuilder]: For program point L5371-1(line 5371) no Hoare annotation was computed. [2021-11-25 18:23:51,611 INFO L861 garLoopResultBuilder]: At program point L11633(line 11633) the Hoare annotation is: true [2021-11-25 18:23:51,611 INFO L858 garLoopResultBuilder]: For program point dm_block_dataEXIT(lines 5366 5375) no Hoare annotation was computed. [2021-11-25 18:23:51,611 INFO L861 garLoopResultBuilder]: At program point dm_block_dataENTRY(lines 5366 5375) the Hoare annotation is: true [2021-11-25 18:23:51,611 INFO L861 garLoopResultBuilder]: At program point dm_bm_checksumENTRY(lines 5773 5780) the Hoare annotation is: true [2021-11-25 18:23:51,612 INFO L858 garLoopResultBuilder]: For program point dm_bm_checksumEXIT(lines 5773 5780) no Hoare annotation was computed. [2021-11-25 18:23:51,612 INFO L858 garLoopResultBuilder]: For program point index_prepare_for_writeEXIT(lines 5889 5902) no Hoare annotation was computed. [2021-11-25 18:23:51,613 INFO L861 garLoopResultBuilder]: At program point L5898(lines 5898 5899) the Hoare annotation is: true [2021-11-25 18:23:51,615 INFO L861 garLoopResultBuilder]: At program point index_prepare_for_writeENTRY(lines 5889 5902) the Hoare annotation is: true [2021-11-25 18:23:51,616 INFO L861 garLoopResultBuilder]: At program point L5895(line 5895) the Hoare annotation is: true [2021-11-25 18:23:51,616 INFO L858 garLoopResultBuilder]: For program point L5895-1(line 5895) no Hoare annotation was computed. [2021-11-25 18:23:51,618 INFO L861 garLoopResultBuilder]: At program point L5897(line 5897) the Hoare annotation is: true [2021-11-25 18:23:51,618 INFO L858 garLoopResultBuilder]: For program point L5898-1(lines 5898 5899) no Hoare annotation was computed. [2021-11-25 18:23:51,620 INFO L858 garLoopResultBuilder]: For program point L5897-1(line 5897) no Hoare annotation was computed. [2021-11-25 18:23:51,620 INFO L858 garLoopResultBuilder]: For program point ldv_handler_precallEXIT(lines 11666 11668) no Hoare annotation was computed. [2021-11-25 18:23:51,621 INFO L861 garLoopResultBuilder]: At program point ldv_handler_precallFINAL(lines 11666 11668) the Hoare annotation is: true [2021-11-25 18:23:51,621 INFO L861 garLoopResultBuilder]: At program point L5951(line 5951) the Hoare annotation is: true [2021-11-25 18:23:51,621 INFO L858 garLoopResultBuilder]: For program point L5952-1(lines 5952 5953) no Hoare annotation was computed. [2021-11-25 18:23:51,621 INFO L858 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2021-11-25 18:23:51,621 INFO L861 garLoopResultBuilder]: At program point bitmap_prepare_for_writeENTRY(lines 5943 5956) the Hoare annotation is: true [2021-11-25 18:23:51,622 INFO L861 garLoopResultBuilder]: At program point L5952(lines 5952 5953) the Hoare annotation is: true [2021-11-25 18:23:51,623 INFO L861 garLoopResultBuilder]: At program point L5949(line 5949) the Hoare annotation is: true [2021-11-25 18:23:51,623 INFO L858 garLoopResultBuilder]: For program point L5949-1(line 5949) no Hoare annotation was computed. [2021-11-25 18:23:51,623 INFO L858 garLoopResultBuilder]: For program point bitmap_prepare_for_writeEXIT(lines 5943 5956) no Hoare annotation was computed. [2021-11-25 18:23:51,623 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 4859 4868) the Hoare annotation is: true [2021-11-25 18:23:51,623 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 4859 4868) no Hoare annotation was computed. [2021-11-25 18:23:51,624 INFO L861 garLoopResultBuilder]: At program point L5361(line 5361) the Hoare annotation is: true [2021-11-25 18:23:51,624 INFO L858 garLoopResultBuilder]: For program point L5362-1(line 5362) no Hoare annotation was computed. [2021-11-25 18:23:51,624 INFO L858 garLoopResultBuilder]: For program point dm_block_locationEXIT(lines 5356 5365) no Hoare annotation was computed. [2021-11-25 18:23:51,624 INFO L858 garLoopResultBuilder]: For program point L5361-1(line 5361) no Hoare annotation was computed. [2021-11-25 18:23:51,625 INFO L861 garLoopResultBuilder]: At program point dm_block_locationENTRY(lines 5356 5365) the Hoare annotation is: true [2021-11-25 18:23:51,625 INFO L861 garLoopResultBuilder]: At program point L5362(line 5362) the Hoare annotation is: true [2021-11-25 18:23:51,625 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 11348 11353) the Hoare annotation is: true [2021-11-25 18:23:51,625 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11351) no Hoare annotation was computed. [2021-11-25 18:23:51,625 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 11348 11353) no Hoare annotation was computed. [2021-11-25 18:23:51,626 INFO L858 garLoopResultBuilder]: For program point to_bufferEXIT(lines 5350 5355) no Hoare annotation was computed. [2021-11-25 18:23:51,626 INFO L861 garLoopResultBuilder]: At program point to_bufferENTRY(lines 5350 5355) the Hoare annotation is: true [2021-11-25 18:23:51,626 INFO L861 garLoopResultBuilder]: At program point ldv_check_final_stateENTRY(lines 11583 11596) the Hoare annotation is: true [2021-11-25 18:23:51,626 INFO L854 garLoopResultBuilder]: At program point L11588(line 11588) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_lock~0 1))) [2021-11-25 18:23:51,626 INFO L858 garLoopResultBuilder]: For program point L11588-1(lines 11585 11595) no Hoare annotation was computed. [2021-11-25 18:23:51,627 INFO L854 garLoopResultBuilder]: At program point L11592(line 11592) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_lock~0 1))) [2021-11-25 18:23:51,627 INFO L858 garLoopResultBuilder]: For program point ldv_check_final_stateEXIT(lines 11583 11596) no Hoare annotation was computed. [2021-11-25 18:23:51,627 INFO L858 garLoopResultBuilder]: For program point L11592-1(lines 11583 11596) no Hoare annotation was computed. [2021-11-25 18:23:51,627 INFO L858 garLoopResultBuilder]: For program point L6782(line 6782) no Hoare annotation was computed. [2021-11-25 18:23:51,627 INFO L854 garLoopResultBuilder]: At program point L6795(lines 6769 6804) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,628 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 18:23:51,628 INFO L861 garLoopResultBuilder]: At program point L6771(line 6771) the Hoare annotation is: true [2021-11-25 18:23:51,628 INFO L858 garLoopResultBuilder]: For program point L6788(line 6788) no Hoare annotation was computed. [2021-11-25 18:23:51,628 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 18:23:51,628 INFO L858 garLoopResultBuilder]: For program point L6784(line 6784) no Hoare annotation was computed. [2021-11-25 18:23:51,629 INFO L858 garLoopResultBuilder]: For program point L6780(line 6780) no Hoare annotation was computed. [2021-11-25 18:23:51,629 INFO L858 garLoopResultBuilder]: For program point L6776(line 6776) no Hoare annotation was computed. [2021-11-25 18:23:51,629 INFO L854 garLoopResultBuilder]: At program point L6789-1(line 6789) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,629 INFO L854 garLoopResultBuilder]: At program point L6789(line 6789) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,630 INFO L854 garLoopResultBuilder]: At program point L6785-1(line 6785) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,631 INFO L854 garLoopResultBuilder]: At program point L6785(line 6785) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,631 INFO L854 garLoopResultBuilder]: At program point L6781-1(line 6781) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,632 INFO L854 garLoopResultBuilder]: At program point L6781(line 6781) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,634 INFO L854 garLoopResultBuilder]: At program point L6777-1(line 6777) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,635 INFO L854 garLoopResultBuilder]: At program point L6777(line 6777) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,635 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,635 INFO L854 garLoopResultBuilder]: At program point L6798(lines 6798 6801) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-11-25 18:23:51,635 INFO L854 garLoopResultBuilder]: At program point L6802-1(line 6802) the Hoare annotation is: (= ~ldv_mutex_lock~0 1) [2021-11-25 18:23:51,636 INFO L858 garLoopResultBuilder]: For program point L6790(line 6790) no Hoare annotation was computed. [2021-11-25 18:23:51,637 INFO L861 garLoopResultBuilder]: At program point ldv_initializeENTRY(lines 11575 11582) the Hoare annotation is: true [2021-11-25 18:23:51,640 INFO L858 garLoopResultBuilder]: For program point ldv_initializeEXIT(lines 11575 11582) no Hoare annotation was computed. [2021-11-25 18:23:51,641 INFO L858 garLoopResultBuilder]: For program point ___ratelimitEXIT(lines 11598 11600) no Hoare annotation was computed. [2021-11-25 18:23:51,641 INFO L861 garLoopResultBuilder]: At program point ___ratelimitENTRY(lines 11598 11600) the Hoare annotation is: true [2021-11-25 18:23:51,641 INFO L858 garLoopResultBuilder]: For program point L5983(lines 5983 5992) no Hoare annotation was computed. [2021-11-25 18:23:51,641 INFO L861 garLoopResultBuilder]: At program point L5981(lines 5981 5982) the Hoare annotation is: true [2021-11-25 18:23:51,643 INFO L858 garLoopResultBuilder]: For program point L5981-1(lines 5981 5982) no Hoare annotation was computed. [2021-11-25 18:23:51,643 INFO L861 garLoopResultBuilder]: At program point L5971(line 5971) the Hoare annotation is: true [2021-11-25 18:23:51,646 INFO L861 garLoopResultBuilder]: At program point bitmap_checkENTRY(lines 5957 5995) the Hoare annotation is: true [2021-11-25 18:23:51,647 INFO L858 garLoopResultBuilder]: For program point L5971-1(line 5971) no Hoare annotation was computed. [2021-11-25 18:23:51,648 INFO L861 garLoopResultBuilder]: At program point L5973(line 5973) the Hoare annotation is: true [2021-11-25 18:23:51,649 INFO L858 garLoopResultBuilder]: For program point L5973-1(line 5973) no Hoare annotation was computed. [2021-11-25 18:23:51,649 INFO L861 garLoopResultBuilder]: At program point L5967(line 5967) the Hoare annotation is: true [2021-11-25 18:23:51,649 INFO L858 garLoopResultBuilder]: For program point L5967-1(line 5967) no Hoare annotation was computed. [2021-11-25 18:23:51,649 INFO L861 garLoopResultBuilder]: At program point L5969(line 5969) the Hoare annotation is: true [2021-11-25 18:23:51,649 INFO L858 garLoopResultBuilder]: For program point L5969-1(line 5969) no Hoare annotation was computed. [2021-11-25 18:23:51,650 INFO L858 garLoopResultBuilder]: For program point L5984-1(line 5984) no Hoare annotation was computed. [2021-11-25 18:23:51,650 INFO L858 garLoopResultBuilder]: For program point bitmap_checkEXIT(lines 5957 5995) no Hoare annotation was computed. [2021-11-25 18:23:51,650 INFO L861 garLoopResultBuilder]: At program point L5984(line 5984) the Hoare annotation is: true [2021-11-25 18:23:51,650 INFO L858 garLoopResultBuilder]: For program point L5970(lines 5970 5980) no Hoare annotation was computed. [2021-11-25 18:23:51,651 INFO L858 garLoopResultBuilder]: For program point L5972-2(lines 5972 5977) no Hoare annotation was computed. [2021-11-25 18:23:51,651 INFO L858 garLoopResultBuilder]: For program point L5972(lines 5972 5977) no Hoare annotation was computed. [2021-11-25 18:23:51,651 INFO L858 garLoopResultBuilder]: For program point bitmap_checkFINAL(lines 5957 5995) no Hoare annotation was computed. [2021-11-25 18:23:51,656 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-25 18:23:51,657 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:23:51,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:23:51 BoogieIcfgContainer [2021-11-25 18:23:51,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:23:51,672 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:23:51,672 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:23:51,673 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:23:51,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:50" (3/4) ... [2021-11-25 18:23:51,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 18:23:51,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure index_check [2021-11-25 18:23:51,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bufio_get_block_number [2021-11-25 18:23:51,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_data [2021-11-25 18:23:51,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_bm_checksum [2021-11-25 18:23:51,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure index_prepare_for_write [2021-11-25 18:23:51,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2021-11-25 18:23:51,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_prepare_for_write [2021-11-25 18:23:51,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-25 18:23:51,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dm_block_location [2021-11-25 18:23:51,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-25 18:23:51,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure to_buffer [2021-11-25 18:23:51,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2021-11-25 18:23:51,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2021-11-25 18:23:51,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ___ratelimit [2021-11-25 18:23:51,684 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_check [2021-11-25 18:23:51,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2021-11-25 18:23:51,706 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-11-25 18:23:51,707 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-25 18:23:51,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 18:23:51,709 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 18:23:51,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 18:23:51,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 18:23:51,835 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 18:23:51,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:23:51,836 INFO L158 Benchmark]: Toolchain (without parser) took 6592.04ms. Allocated memory was 92.3MB in the beginning and 245.4MB in the end (delta: 153.1MB). Free memory was 61.6MB in the beginning and 110.9MB in the end (delta: -49.3MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2021-11-25 18:23:51,837 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:23:51,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3830.12ms. Allocated memory was 92.3MB in the beginning and 163.6MB in the end (delta: 71.3MB). Free memory was 61.6MB in the beginning and 63.2MB in the end (delta: -1.6MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2021-11-25 18:23:51,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 218.04ms. Allocated memory is still 163.6MB. Free memory was 63.2MB in the beginning and 87.9MB in the end (delta: -24.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-25 18:23:51,838 INFO L158 Benchmark]: Boogie Preprocessor took 48.64ms. Allocated memory is still 163.6MB. Free memory was 87.9MB in the beginning and 83.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 18:23:51,838 INFO L158 Benchmark]: RCFGBuilder took 968.42ms. Allocated memory is still 163.6MB. Free memory was 83.7MB in the beginning and 79.4MB in the end (delta: 4.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2021-11-25 18:23:51,839 INFO L158 Benchmark]: TraceAbstraction took 1358.27ms. Allocated memory was 163.6MB in the beginning and 245.4MB in the end (delta: 81.8MB). Free memory was 78.6MB in the beginning and 124.6MB in the end (delta: -45.9MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-11-25 18:23:51,839 INFO L158 Benchmark]: Witness Printer took 162.88ms. Allocated memory is still 245.4MB. Free memory was 124.6MB in the beginning and 110.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 18:23:51,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3830.12ms. Allocated memory was 92.3MB in the beginning and 163.6MB in the end (delta: 71.3MB). Free memory was 61.6MB in the beginning and 63.2MB in the end (delta: -1.6MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 218.04ms. Allocated memory is still 163.6MB. Free memory was 63.2MB in the beginning and 87.9MB in the end (delta: -24.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.64ms. Allocated memory is still 163.6MB. Free memory was 87.9MB in the beginning and 83.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 968.42ms. Allocated memory is still 163.6MB. Free memory was 83.7MB in the beginning and 79.4MB in the end (delta: 4.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1358.27ms. Allocated memory was 163.6MB in the beginning and 245.4MB in the end (delta: 81.8MB). Free memory was 78.6MB in the beginning and 124.6MB in the end (delta: -45.9MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Witness Printer took 162.88ms. Allocated memory is still 245.4MB. Free memory was 124.6MB in the beginning and 110.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 11351]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 235 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 233 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 92 PreInvPairs, 93 NumberOfFragments, 137 HoareAnnotationTreeSize, 92 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 540 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6798]: Loop Invariant Derived loop invariant: 1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1 - InvariantResult [Line: 6769]: Loop Invariant Derived loop invariant: 1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1 - InvariantResult [Line: 6802]: Loop Invariant Derived loop invariant: ldv_mutex_lock == 1 - InvariantResult [Line: 11633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5773]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-25 18:23:51,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816bf276-a12a-43c9-8535-152b4f9953f6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE