./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-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.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_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/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 c5d42e081b6daa0b97d153ad90df49572b55b191 ......................................................................................................................................................... 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_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/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 c5d42e081b6daa0b97d153ad90df49572b55b191 ........................................................................................................................................................................................................................................................................................... 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 12:47:57,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:47:57,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:47:57,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:47:57,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:47:57,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:47:57,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:47:57,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:47:57,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:47:57,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:47:57,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:47:57,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:47:57,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:47:57,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:47:57,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:47:57,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:47:57,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:47:57,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:47:57,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:47:57,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:47:57,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:47:57,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:47:57,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:47:57,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:47:57,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:47:57,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:47:57,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:47:57,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:47:57,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:47:57,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:47:57,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:47:57,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:47:57,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:47:57,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:47:57,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:47:57,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:47:57,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:47:57,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:47:57,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:47:57,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:47:57,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:47:57,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-12-07 12:47:57,512 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:47:57,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:47:57,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:47:57,513 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:47:57,513 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:47:57,513 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:47:57,513 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:47:57,513 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:47:57,514 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:47:57,514 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:47:57,514 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:47:57,514 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:47:57,514 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:47:57,514 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:47:57,514 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:47:57,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:47:57,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:47:57,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:47:57,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:47:57,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:47:57,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:47:57,515 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:47:57,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:47:57,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:47:57,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:47:57,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:47:57,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:47:57,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:47:57,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:47:57,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:47:57,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:47:57,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:47:57,517 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:47:57,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:47:57,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:47:57,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:47:57,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:47:57,518 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-12-07 12:47:57,518 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_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/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 -> c5d42e081b6daa0b97d153ad90df49572b55b191 [2019-12-07 12:47:57,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:47:57,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:47:57,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:47:57,632 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:47:57,632 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:47:57,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i [2019-12-07 12:47:57,671 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/data/e8ecad5f9/b03d253662e54830b38309a4652495ad/FLAG319ea2a4c [2019-12-07 12:47:58,287 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:47:58,288 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i [2019-12-07 12:47:58,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/data/e8ecad5f9/b03d253662e54830b38309a4652495ad/FLAG319ea2a4c [2019-12-07 12:47:58,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/data/e8ecad5f9/b03d253662e54830b38309a4652495ad [2019-12-07 12:47:58,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:47:58,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:47:58,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:47:58,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:47:58,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:47:58,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:47:58" (1/1) ... [2019-12-07 12:47:58,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a034b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:58, skipping insertion in model container [2019-12-07 12:47:58,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:47:58" (1/1) ... [2019-12-07 12:47:58,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:47:58,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:47:59,845 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 12:47:59,872 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 12:47:59,891 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 12:47:59,901 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 12:47:59,974 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 12:47:59,974 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 12:47:59,980 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 12:47:59,980 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 12:47:59,981 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 12:47:59,981 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 12:47:59,985 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 12:47:59,990 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 12:47:59,994 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 12:47:59,999 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 12:48:00,004 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 12:48:00,091 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 12:48:00,114 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 12:48:00,119 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 12:48:00,124 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 12:48:00,128 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 12:48:00,132 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 12:48:00,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:48:00,213 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 12:48:00,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f56f679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:00, skipping insertion in model container [2019-12-07 12:48:00,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:48:00,214 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:48:00,216 INFO L168 Benchmark]: Toolchain (without parser) took 1552.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 921.9 MB in the beginning and 947.4 MB in the end (delta: -25.5 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:48:00,216 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:48:00,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1549.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 921.9 MB in the beginning and 947.4 MB in the end (delta: -25.5 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:48:00,218 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1549.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 921.9 MB in the beginning and 947.4 MB in the end (delta: -25.5 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4069]: 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 12:48:01,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:48:01,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:48:01,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:48:01,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:48:01,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:48:01,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:48:01,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:48:01,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:48:01,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:48:01,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:48:01,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:48:01,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:48:01,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:48:01,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:48:01,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:48:01,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:48:01,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:48:01,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:48:01,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:48:01,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:48:01,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:48:01,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:48:01,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:48:01,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:48:01,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:48:01,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:48:01,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:48:01,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:48:01,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:48:01,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:48:01,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:48:01,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:48:01,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:48:01,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:48:01,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:48:01,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:48:01,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:48:01,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:48:01,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:48:01,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:48:01,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-12-07 12:48:01,379 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:48:01,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:48:01,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:48:01,380 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:48:01,380 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:48:01,380 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:48:01,380 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:48:01,380 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:48:01,380 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:48:01,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:48:01,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:48:01,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:48:01,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:48:01,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:48:01,382 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:48:01,382 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:48:01,382 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:48:01,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:48:01,382 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:48:01,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:48:01,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:48:01,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:48:01,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:48:01,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:48:01,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:48:01,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:48:01,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:48:01,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:48:01,383 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:48:01,383 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:48:01,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:48:01,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:48:01,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:48:01,384 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_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/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 -> c5d42e081b6daa0b97d153ad90df49572b55b191 [2019-12-07 12:48:01,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:48:01,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:48:01,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:48:01,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:48:01,563 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:48:01,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i [2019-12-07 12:48:01,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/data/5e0670d85/0cf0afc96825437fbd8faa43c16bfb9a/FLAGcab9d8a25 [2019-12-07 12:48:02,205 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:48:02,205 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i [2019-12-07 12:48:02,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/data/5e0670d85/0cf0afc96825437fbd8faa43c16bfb9a/FLAGcab9d8a25 [2019-12-07 12:48:02,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/bin/utaipan/data/5e0670d85/0cf0afc96825437fbd8faa43c16bfb9a [2019-12-07 12:48:02,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:48:02,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:48:02,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:48:02,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:48:02,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:48:02,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:48:02" (1/1) ... [2019-12-07 12:48:02,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ce1753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:02, skipping insertion in model container [2019-12-07 12:48:02,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:48:02" (1/1) ... [2019-12-07 12:48:02,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:48:02,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:48:04,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:48:04,364 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:48:04,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:48:04,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:48:04,689 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:48:04,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:48:05,367 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:48:05,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05 WrapperNode [2019-12-07 12:48:05,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:48:05,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:48:05,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:48:05,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:48:05,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (1/1) ... [2019-12-07 12:48:05,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (1/1) ... [2019-12-07 12:48:05,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:48:05,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:48:05,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:48:05,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:48:05,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (1/1) ... [2019-12-07 12:48:05,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (1/1) ... [2019-12-07 12:48:05,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (1/1) ... [2019-12-07 12:48:05,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (1/1) ... [2019-12-07 12:48:05,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (1/1) ... [2019-12-07 12:48:06,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (1/1) ... [2019-12-07 12:48:06,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (1/1) ... [2019-12-07 12:48:06,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:48:06,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:48:06,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:48:06,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:48:06,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/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 12:48:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 12:48:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 12:48:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:48:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 12:48:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:48:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 12:48:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 12:48:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 12:48:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 12:48:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:48:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:48:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 12:48:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-12-07 12:48:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:48:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 12:48:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 12:48:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-12-07 12:48:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 12:48:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:48:06,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:55:33,598 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:55:33,599 INFO L287 CfgBuilder]: Removed 2286 assume(true) statements. [2019-12-07 12:55:33,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:55:33 BoogieIcfgContainer [2019-12-07 12:55:33,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:55:33,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:55:33,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:55:33,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:55:33,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:48:02" (1/3) ... [2019-12-07 12:55:33,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f4d03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:55:33, skipping insertion in model container [2019-12-07 12:55:33,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:48:05" (2/3) ... [2019-12-07 12:55:33,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f4d03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:55:33, skipping insertion in model container [2019-12-07 12:55:33,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:55:33" (3/3) ... [2019-12-07 12:55:33,605 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point.cil.out.i [2019-12-07 12:55:33,612 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:55:33,620 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2019-12-07 12:55:33,630 INFO L249 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2019-12-07 12:55:33,656 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:55:33,657 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:55:33,657 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:55:33,657 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:55:33,657 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:55:33,657 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:55:33,657 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:55:33,657 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:55:33,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states. [2019-12-07 12:55:33,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 12:55:33,693 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:55:33,694 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] [2019-12-07 12:55:33,694 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:55:33,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:55:33,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1707064055, now seen corresponding path program 1 times [2019-12-07 12:55:33,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:55:33,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911902617] [2019-12-07 12:55:33,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3ef6bfe-c6eb-4109-a5b2-f6c8f04fb12c/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 12:59:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:36,232 INFO L264 TraceCheckSpWp]: Trace formula consists of 5227 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:59:36,242 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:36,265 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 12:59:36,265 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:59:36,269 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 12:59:36,270 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911902617] [2019-12-07 12:59:36,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:59:36,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 12:59:36,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381260977] [2019-12-07 12:59:36,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:59:36,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:59:36,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:59:36,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:59:36,284 INFO L87 Difference]: Start difference. First operand 2266 states. Second operand 3 states. [2019-12-07 12:59:52,663 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-12-07 12:59:52,865 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:59:52,866 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.unAssertPrecondition(IncrementalHoareTripleChecker.java:343) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:267) 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 12:59:52,873 INFO L168 Benchmark]: Toolchain (without parser) took 710237.74 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.1 MB). Free memory was 936.2 MB in the beginning and 497.1 MB in the end (delta: 439.2 MB). Peak memory consumption was 710.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:52,874 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 12:59:52,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2733.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 276.8 MB). Free memory was 936.2 MB in the beginning and 923.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 323.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:52,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 347.13 ms. Allocated memory is still 1.3 GB. Free memory was 923.2 MB in the beginning and 819.2 MB in the end (delta: 104.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:52,875 INFO L168 Benchmark]: Boogie Preprocessor took 395.09 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 46.1 MB). Free memory was 819.2 MB in the beginning and 1.1 GB in the end (delta: -325.8 MB). Peak memory consumption was 98.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:52,876 INFO L168 Benchmark]: RCFGBuilder took 447489.78 ms. Allocated memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: -84.9 MB). Free memory was 1.1 GB in the beginning and 774.6 MB in the end (delta: 370.4 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2019-12-07 12:59:52,876 INFO L168 Benchmark]: TraceAbstraction took 259269.13 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 33.0 MB). Free memory was 774.6 MB in the beginning and 497.1 MB in the end (delta: 277.6 MB). Peak memory consumption was 310.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:52,879 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 2733.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 276.8 MB). Free memory was 936.2 MB in the beginning and 923.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 323.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 347.13 ms. Allocated memory is still 1.3 GB. Free memory was 923.2 MB in the beginning and 819.2 MB in the end (delta: 104.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 395.09 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 46.1 MB). Free memory was 819.2 MB in the beginning and 1.1 GB in the end (delta: -325.8 MB). Peak memory consumption was 98.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 447489.78 ms. Allocated memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: -84.9 MB). Free memory was 1.1 GB in the beginning and 774.6 MB in the end (delta: 370.4 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * TraceAbstraction took 259269.13 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 33.0 MB). Free memory was 774.6 MB in the beginning and 497.1 MB in the end (delta: 277.6 MB). Peak memory consumption was 310.6 MB. 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...