./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH --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 34bf966f20bc6f9feb974cecb0155491a1c90a8ed47e1bac5cf5212526fd7bea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:06:19,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:06:19,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:06:19,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:06:19,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:06:19,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:06:19,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:06:19,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:06:19,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:06:19,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:06:19,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:06:19,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:06:19,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:06:19,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:06:19,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:06:19,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:06:19,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:06:19,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:06:19,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:06:19,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:06:19,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:06:19,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:06:19,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:06:19,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:06:19,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:06:19,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:06:19,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:06:19,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:06:19,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:06:19,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:06:19,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:06:19,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:06:19,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:06:19,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:06:19,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:06:19,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:06:19,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:06:19,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:06:19,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:06:19,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:06:19,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:06:19,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 05:06:19,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:06:19,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:06:19,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:06:19,205 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:06:19,205 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:06:19,205 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:06:19,206 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:06:19,206 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:06:19,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:06:19,206 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:06:19,206 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:06:19,207 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:06:19,207 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:06:19,207 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:06:19,207 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:06:19,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:06:19,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:06:19,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:06:19,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:06:19,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:06:19,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:06:19,209 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:06:19,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:06:19,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:06:19,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:06:19,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:06:19,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:06:19,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:06:19,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:06:19,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:06:19,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:06:19,211 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:06:19,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:06:19,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:06:19,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:06:19,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:06:19,227 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_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bf966f20bc6f9feb974cecb0155491a1c90a8ed47e1bac5cf5212526fd7bea [2021-11-03 05:06:19,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:06:19,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:06:19,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:06:19,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:06:19,529 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:06:19,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i [2021-11-03 05:06:19,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/data/8d6bb9563/1b675f143642440591b8f09faaec8f54/FLAG63450af2a [2021-11-03 05:06:21,068 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:06:21,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i [2021-11-03 05:06:21,173 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/data/8d6bb9563/1b675f143642440591b8f09faaec8f54/FLAG63450af2a [2021-11-03 05:06:21,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/data/8d6bb9563/1b675f143642440591b8f09faaec8f54 [2021-11-03 05:06:21,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:06:21,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:06:21,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:06:21,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:06:21,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:06:21,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:06:21" (1/1) ... [2021-11-03 05:06:21,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a81f438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:21, skipping insertion in model container [2021-11-03 05:06:21,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:06:21" (1/1) ... [2021-11-03 05:06:21,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:06:21,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:06:28,464 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:28,465 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:29,291 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:29,306 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:30,088 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:30,333 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:30,356 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:31,347 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:31,985 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:31,986 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:32,103 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:32,143 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:32,156 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:32,242 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:33,278 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:33,278 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:33,280 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:33,281 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:33,300 WARN L228 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_2f003068-a226-4734-b302-adc07c6505de/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i[832421,832434] [2021-11-03 05:06:33,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:06:33,666 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 05:06:33,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3da2b382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:33, skipping insertion in model container [2021-11-03 05:06:33,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:06:33,669 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:06:33,672 INFO L168 Benchmark]: Toolchain (without parser) took 12204.39 ms. Allocated memory was 119.5 MB in the beginning and 295.7 MB in the end (delta: 176.2 MB). Free memory was 76.5 MB in the beginning and 164.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 146.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:33,674 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 62.2 MB in the beginning and 62.1 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:06:33,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 12201.68 ms. Allocated memory was 119.5 MB in the beginning and 295.7 MB in the end (delta: 176.2 MB). Free memory was 76.1 MB in the beginning and 164.9 MB in the end (delta: -88.8 MB). Peak memory consumption was 146.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:33,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 62.2 MB in the beginning and 62.1 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 12201.68 ms. Allocated memory was 119.5 MB in the beginning and 295.7 MB in the end (delta: 176.2 MB). Free memory was 76.1 MB in the beginning and 164.9 MB in the end (delta: -88.8 MB). Peak memory consumption was 146.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9081]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH --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 34bf966f20bc6f9feb974cecb0155491a1c90a8ed47e1bac5cf5212526fd7bea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:06:35,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:06:35,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:06:35,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:06:35,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:06:35,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:06:35,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:06:35,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:06:35,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:06:35,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:06:35,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:06:35,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:06:36,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:06:36,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:06:36,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:06:36,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:06:36,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:06:36,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:06:36,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:06:36,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:06:36,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:06:36,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:06:36,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:06:36,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:06:36,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:06:36,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:06:36,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:06:36,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:06:36,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:06:36,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:06:36,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:06:36,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:06:36,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:06:36,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:06:36,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:06:36,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:06:36,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:06:36,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:06:36,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:06:36,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:06:36,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:06:36,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 05:06:36,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:06:36,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:06:36,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:06:36,114 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:06:36,114 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:06:36,115 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:06:36,115 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:06:36,115 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:06:36,115 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:06:36,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:06:36,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:06:36,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:06:36,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:06:36,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:06:36,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:06:36,119 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:06:36,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:06:36,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:06:36,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:06:36,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:06:36,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:06:36,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:06:36,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:06:36,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:06:36,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:06:36,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:06:36,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:06:36,122 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:06:36,122 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:06:36,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:06:36,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:06:36,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:06:36,123 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bf966f20bc6f9feb974cecb0155491a1c90a8ed47e1bac5cf5212526fd7bea [2021-11-03 05:06:36,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:06:36,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:06:36,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:06:36,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:06:36,528 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:06:36,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i [2021-11-03 05:06:36,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/data/b6a71357f/101b41aaa14145eab559846044fcf0bc/FLAG6a1c8209c [2021-11-03 05:06:37,973 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:06:37,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i [2021-11-03 05:06:38,108 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/data/b6a71357f/101b41aaa14145eab559846044fcf0bc/FLAG6a1c8209c [2021-11-03 05:06:38,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f003068-a226-4734-b302-adc07c6505de/bin/utaipan-aC7eJsxGYH/data/b6a71357f/101b41aaa14145eab559846044fcf0bc [2021-11-03 05:06:38,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:06:38,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:06:38,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:06:38,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:06:38,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:06:38,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:06:38" (1/1) ... [2021-11-03 05:06:38,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c6641b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:38, skipping insertion in model container [2021-11-03 05:06:38,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:06:38" (1/1) ... [2021-11-03 05:06:38,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:06:38,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:06:49,897 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:49,946 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:49,964 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:06:51,108 WARN L228 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_2f003068-a226-4734-b302-adc07c6505de/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i[832421,832434] [2021-11-03 05:06:51,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:06:51,438 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:06:51,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:06:52,739 WARN L228 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_2f003068-a226-4734-b302-adc07c6505de/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i[832421,832434] [2021-11-03 05:06:52,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:06:52,894 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:06:54,203 WARN L228 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_2f003068-a226-4734-b302-adc07c6505de/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--emulex--benet--be2net.ko-entry_point.cil.out.i[832421,832434] [2021-11-03 05:06:54,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:06:54,904 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:06:54,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:54 WrapperNode [2021-11-03 05:06:54,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:06:54,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:06:54,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:06:54,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:06:54,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:54" (1/1) ... [2021-11-03 05:06:55,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:54" (1/1) ...