./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c9ab2941e14ddf64746a8e836d07e6a61a74a87e .............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c9ab2941e14ddf64746a8e836d07e6a61a74a87e ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:48:06,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:48:06,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:48:06,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:48:06,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:48:06,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:48:06,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:48:06,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:48:06,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:48:06,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:48:06,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:48:06,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:48:06,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:48:06,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:48:06,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:48:06,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:48:06,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:48:06,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:48:06,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:48:06,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:48:06,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:48:06,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:48:06,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:48:06,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:48:06,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:48:06,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:48:06,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:48:06,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:48:06,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:48:06,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:48:06,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:48:06,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:48:06,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:48:06,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:48:06,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:48:06,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:48:06,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:48:06,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:48:06,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:48:06,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:48:06,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:48:06,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-12-07 16:48:06,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:48:06,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:48:06,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:48:06,509 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:48:06,509 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:48:06,509 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:48:06,509 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:48:06,509 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:48:06,509 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:48:06,510 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:48:06,510 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:48:06,510 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:48:06,510 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:48:06,510 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:48:06,510 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:48:06,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:48:06,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:48:06,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:48:06,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:48:06,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:48:06,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:48:06,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:48:06,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:48:06,512 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:48:06,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:48:06,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:48:06,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:48:06,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:48:06,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:48:06,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:48:06,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:48:06,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:48:06,513 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:48:06,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:48:06,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:48:06,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:48:06,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:48:06,513 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-12-07 16:48:06,514 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> c9ab2941e14ddf64746a8e836d07e6a61a74a87e [2019-12-07 16:48:06,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:48:06,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:48:06,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:48:06,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:48:06,631 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:48:06,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2019-12-07 16:48:06,671 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/data/9a08a694a/33af1f1d87aa4a4d91586d9340eed327/FLAG0dc68ced3 [2019-12-07 16:48:07,321 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:48:07,321 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2019-12-07 16:48:07,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/data/9a08a694a/33af1f1d87aa4a4d91586d9340eed327/FLAG0dc68ced3 [2019-12-07 16:48:07,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/data/9a08a694a/33af1f1d87aa4a4d91586d9340eed327 [2019-12-07 16:48:07,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:48:07,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:48:07,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:48:07,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:48:07,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:48:07,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:48:07" (1/1) ... [2019-12-07 16:48:07,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551126fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:07, skipping insertion in model container [2019-12-07 16:48:07,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:48:07" (1/1) ... [2019-12-07 16:48:07,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:48:07,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:48:08,556 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:48:08,783 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:48:09,521 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:48:09,522 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:48:09,529 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:48:09,530 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:48:09,533 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:48:09,534 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:48:10,026 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:48:10,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:48:10,764 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) [2019-12-07 16:48:10,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fc86a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:10, skipping insertion in model container [2019-12-07 16:48:10,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:48:10,765 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:48:10,767 INFO L168 Benchmark]: Toolchain (without parser) took 3115.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 923.5 MB in the beginning and 905.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 138.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:48:10,767 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:48:10,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3113.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 923.5 MB in the beginning and 905.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 138.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:48:10,769 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3113.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 923.5 MB in the beginning and 905.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 138.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5326]: 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... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:48:11,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:48:11,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:48:11,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:48:11,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:48:11,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:48:11,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:48:11,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:48:11,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:48:11,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:48:11,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:48:11,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:48:11,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:48:11,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:48:11,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:48:11,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:48:11,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:48:11,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:48:11,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:48:11,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:48:11,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:48:11,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:48:11,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:48:11,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:48:11,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:48:11,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:48:11,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:48:11,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:48:11,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:48:11,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:48:11,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:48:11,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:48:11,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:48:11,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:48:11,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:48:11,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:48:11,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:48:11,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:48:11,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:48:11,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:48:11,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:48:11,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-12-07 16:48:11,980 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:48:11,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:48:11,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:48:11,981 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:48:11,981 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:48:11,981 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:48:11,981 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:48:11,981 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:48:11,982 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:48:11,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:48:11,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:48:11,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:48:11,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:48:11,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:48:11,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:48:11,983 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:48:11,984 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:48:11,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:48:11,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:48:11,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:48:11,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:48:11,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:48:11,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:48:11,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:48:11,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:48:11,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:48:11,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:48:11,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:48:11,986 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:48:11,986 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:48:11,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:48:11,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:48:11,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:48:11,987 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> c9ab2941e14ddf64746a8e836d07e6a61a74a87e [2019-12-07 16:48:12,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:48:12,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:48:12,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:48:12,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:48:12,169 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:48:12,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2019-12-07 16:48:12,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/data/a93503d73/f073648610d44513ae4f867819b4e8b2/FLAG804feee35 [2019-12-07 16:48:12,898 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:48:12,898 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2019-12-07 16:48:12,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/data/a93503d73/f073648610d44513ae4f867819b4e8b2/FLAG804feee35 [2019-12-07 16:48:13,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/data/a93503d73/f073648610d44513ae4f867819b4e8b2 [2019-12-07 16:48:13,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:48:13,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:48:13,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:48:13,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:48:13,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:48:13,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:48:13" (1/1) ... [2019-12-07 16:48:13,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5258ce92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:13, skipping insertion in model container [2019-12-07 16:48:13,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:48:13" (1/1) ... [2019-12-07 16:48:13,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:48:13,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:48:16,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:48:16,494 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:48:16,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:48:16,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:48:16,891 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:48:17,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:48:17,840 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:48:17,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17 WrapperNode [2019-12-07 16:48:17,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:48:17,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:48:17,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:48:17,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:48:17,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (1/1) ... [2019-12-07 16:48:17,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (1/1) ... [2019-12-07 16:48:19,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:48:19,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:48:19,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:48:19,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:48:19,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (1/1) ... [2019-12-07 16:48:19,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (1/1) ... [2019-12-07 16:48:19,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (1/1) ... [2019-12-07 16:48:19,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (1/1) ... [2019-12-07 16:48:19,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (1/1) ... [2019-12-07 16:48:19,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (1/1) ... [2019-12-07 16:48:20,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (1/1) ... [2019-12-07 16:48:20,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:48:20,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:48:20,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:48:20,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:48:20,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:48:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:48:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-12-07 16:48:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:48:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 16:48:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-12-07 16:48:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 16:48:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 16:48:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2019-12-07 16:48:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2019-12-07 16:48:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 16:48:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2019-12-07 16:48:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:48:20,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:48:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 16:48:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 16:48:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 16:48:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 16:48:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 16:48:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 16:48:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:48:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 16:48:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 16:48:20,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 16:48:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 16:48:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 16:48:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 16:48:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 16:48:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2019-12-07 16:48:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-12-07 16:48:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2019-12-07 16:57:18,661 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2019-12-07 16:57:18,661 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0bv32; [2019-12-07 16:57:18,662 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0bv32; [2019-12-07 16:57:18,662 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0bv32; [2019-12-07 16:57:18,662 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0bv32; [2019-12-07 16:57:18,662 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#5: ldv_switch_2_#res := 0bv32; [2019-12-07 16:57:18,662 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#6: ldv_switch_2_#res := 0bv32; [2019-12-07 16:57:18,662 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#7: ldv_switch_2_#res := 0bv32; [2019-12-07 16:57:18,662 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#8: ldv_switch_2_#res := 0bv32; [2019-12-07 16:57:18,662 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#9: ldv_switch_2_#res := 0bv32; [2019-12-07 16:57:18,662 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2019-12-07 16:57:18,662 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2019-12-07 16:57:18,663 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0bv32; [2019-12-07 16:57:18,665 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-12-07 16:57:18,668 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#10: ldv_switch_2_#res := 0bv32; [2019-12-07 16:57:18,669 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2019-12-07 16:57:18,670 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:57:18,670 INFO L287 CfgBuilder]: Removed 18843 assume(true) statements. [2019-12-07 16:57:18,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:57:18 BoogieIcfgContainer [2019-12-07 16:57:18,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:57:18,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:57:18,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:57:18,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:57:18,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:48:13" (1/3) ... [2019-12-07 16:57:18,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750405ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:57:18, skipping insertion in model container [2019-12-07 16:57:18,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:48:17" (2/3) ... [2019-12-07 16:57:18,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750405ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:57:18, skipping insertion in model container [2019-12-07 16:57:18,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:57:18" (3/3) ... [2019-12-07 16:57:18,682 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2019-12-07 16:57:18,689 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:57:18,699 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-12-07 16:57:18,707 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-12-07 16:57:18,762 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:57:18,763 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:57:18,763 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:57:18,763 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:57:18,763 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:57:18,763 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:57:18,763 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:57:18,763 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:57:18,883 INFO L276 IsEmpty]: Start isEmpty. Operand 16771 states. [2019-12-07 16:57:18,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-07 16:57:18,901 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:57:18,902 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:57:18,902 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:57:18,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:57:18,907 INFO L82 PathProgramCache]: Analyzing trace with hash -258267135, now seen corresponding path program 1 times [2019-12-07 16:57:18,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:57:18,922 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664455817] [2019-12-07 16:57:18,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b0e3d8f-611c-42ac-81d4-e13dfec8385c/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:57:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:57:58,806 INFO L264 TraceCheckSpWp]: Trace formula consists of 5445 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:57:58,816 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:57:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:57:58,849 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:57:58,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:57:58,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664455817] [2019-12-07 16:57:58,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:57:58,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:57:58,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992855733] [2019-12-07 16:57:58,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:57:58,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:57:58,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:57:58,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:57:58,889 INFO L87 Difference]: Start difference. First operand 16771 states. Second operand 4 states. [2019-12-07 16:58:06,943 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-12-07 16:58:07,145 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:58:07,146 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:100) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:130) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:660) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:279) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:161) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:714) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:627) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:454) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 31 more [2019-12-07 16:58:07,153 INFO L168 Benchmark]: Toolchain (without parser) took 593912.21 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.5 GB). Free memory was 930.9 MB in the beginning and 874.2 MB in the end (delta: 56.7 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2019-12-07 16:58:07,154 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:58:07,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4600.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.8 MB). Free memory was 930.9 MB in the beginning and 986.4 MB in the end (delta: -55.5 MB). Peak memory consumption was 459.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:58:07,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 1184.23 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 343.9 MB). Free memory was 986.4 MB in the beginning and 1.4 GB in the end (delta: -412.3 MB). Peak memory consumption was 410.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:58:07,155 INFO L168 Benchmark]: Boogie Preprocessor took 1165.29 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 999.5 MB in the end (delta: 399.2 MB). Peak memory consumption was 399.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:58:07,156 INFO L168 Benchmark]: RCFGBuilder took 538485.39 ms. Allocated memory was 1.7 GB in the beginning and 4.5 GB in the end (delta: 2.8 GB). Free memory was 999.5 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2019-12-07 16:58:07,156 INFO L168 Benchmark]: TraceAbstraction took 48473.09 ms. Allocated memory is still 4.5 GB. Free memory was 2.0 GB in the beginning and 874.2 MB in the end (delta: 1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2019-12-07 16:58:07,159 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 4600.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.8 MB). Free memory was 930.9 MB in the beginning and 986.4 MB in the end (delta: -55.5 MB). Peak memory consumption was 459.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 1184.23 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 343.9 MB). Free memory was 986.4 MB in the beginning and 1.4 GB in the end (delta: -412.3 MB). Peak memory consumption was 410.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 1165.29 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 999.5 MB in the end (delta: 399.2 MB). Peak memory consumption was 399.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 538485.39 ms. Allocated memory was 1.7 GB in the beginning and 4.5 GB in the end (delta: 2.8 GB). Free memory was 999.5 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * TraceAbstraction took 48473.09 ms. Allocated memory is still 4.5 GB. Free memory was 2.0 GB in the beginning and 874.2 MB in the end (delta: 1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...