./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--net--ethernet--broadcom--bnx2x--bnx2x.ko-ldv_main0_sequence_infinite_withcheck_stateful.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_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--net--ethernet--broadcom--bnx2x--bnx2x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/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 77505be774723a9d683bd0e0c3af74448158a5c9 .......................................................................................................................................................................................................... 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_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--net--ethernet--broadcom--bnx2x--bnx2x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/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 77505be774723a9d683bd0e0c3af74448158a5c9 .............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:18:24,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:18:24,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:18:24,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:18:24,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:18:24,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:18:24,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:18:24,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:18:24,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:18:24,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:18:24,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:18:24,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:18:24,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:18:24,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:18:24,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:18:24,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:18:24,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:18:24,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:18:24,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:18:24,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:18:24,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:18:24,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:18:24,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:18:24,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:18:24,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:18:24,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:18:24,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:18:24,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:18:24,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:18:24,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:18:24,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:18:24,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:18:24,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:18:24,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:18:24,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:18:24,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:18:24,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:18:24,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:18:24,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:18:24,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:18:24,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:18:24,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-12-07 20:18:24,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:18:24,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:18:24,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:18:24,960 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:18:24,960 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:18:24,960 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:18:24,960 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:18:24,961 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:18:24,961 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:18:24,961 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:18:24,961 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:18:24,961 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:18:24,961 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:18:24,961 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:18:24,961 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:18:24,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:18:24,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:18:24,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:18:24,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:18:24,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:18:24,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:18:24,962 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:18:24,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:18:24,963 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:18:24,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:18:24,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:18:24,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:18:24,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:18:24,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:18:24,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:18:24,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:18:24,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:18:24,964 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:18:24,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:18:24,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:18:24,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:18:24,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:18:24,964 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-12-07 20:18:24,964 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_a2f825d8-55ad-4c9f-9155-08d59361247c/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 -> 77505be774723a9d683bd0e0c3af74448158a5c9 [2019-12-07 20:18:25,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:18:25,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:18:25,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:18:25,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:18:25,072 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:18:25,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--net--ethernet--broadcom--bnx2x--bnx2x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-12-07 20:18:25,110 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/data/1073b68d9/3c54755fe7cb4210b35b644e980c25bd/FLAG0e764a165 [2019-12-07 20:18:26,169 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:18:26,170 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--net--ethernet--broadcom--bnx2x--bnx2x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-12-07 20:18:26,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/data/1073b68d9/3c54755fe7cb4210b35b644e980c25bd/FLAG0e764a165 [2019-12-07 20:18:26,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/data/1073b68d9/3c54755fe7cb4210b35b644e980c25bd [2019-12-07 20:18:26,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:18:26,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:18:26,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:18:26,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:18:26,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:18:26,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:18:26" (1/1) ... [2019-12-07 20:18:26,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43250466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:18:26, skipping insertion in model container [2019-12-07 20:18:26,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:18:26" (1/1) ... [2019-12-07 20:18:26,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:18:27,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:18:42,131 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 20:18:43,898 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 20:18:43,925 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 20:18:44,028 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 20:18:44,029 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 20:18:44,722 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 20:18:44,722 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 20:18:44,747 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 20:18:44,773 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 20:18:44,774 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 20:18:45,536 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 20:18:58,549 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 20:19:03,551 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 20:19:03,551 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 20:19:05,094 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 20:19:05,649 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 20:19:05,650 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 20:19:05,700 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 20:19:05,750 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 20:19:06,192 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 20:19:06,193 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 20:19:06,218 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 20:19:06,219 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 20:19:06,244 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 20:19:06,244 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 20:19:06,269 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 20:19:06,270 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 20:19:06,295 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 20:19:06,295 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 20:19:06,320 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 20:19:06,320 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 20:19:06,346 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 20:19:06,346 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 20:19:06,694 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 20:19:06,695 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 20:19:06,720 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 20:19:06,720 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 20:19:06,745 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 20:19:06,745 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 20:19:06,770 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 20:19:06,771 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 20:19:07,024 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 20:19:07,025 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 20:19:07,025 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 20:19:07,026 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 20:19:07,026 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 20:19:07,027 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 20:19:07,079 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 20:19:07,080 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 20:19:07,080 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 20:19:07,081 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 20:19:07,081 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 20:19:07,386 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 20:19:07,387 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 20:19:07,537 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 20:19:07,537 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 20:19:07,538 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 20:19:07,612 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 20:19:07,612 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 20:19:07,613 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 20:19:07,637 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 20:19:07,638 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 20:19:07,887 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 20:19:07,888 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 20:19:08,063 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 20:19:08,063 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 20:19:08,088 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 20:19:08,088 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 20:19:08,089 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 20:19:08,140 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 20:19:10,584 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 20:19:11,363 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-12-07 20:19:11,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55bb18ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:11, skipping insertion in model container [2019-12-07 20:19:11,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:19:11,364 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:19:11,366 INFO L168 Benchmark]: Toolchain (without parser) took 44699.59 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 795.9 MB). Free memory was 819.6 MB in the beginning and 1.4 GB in the end (delta: -626.2 MB). Peak memory consumption was 798.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:19:11,366 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:19:11,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 44694.62 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 795.9 MB). Free memory was 819.6 MB in the beginning and 1.4 GB in the end (delta: -626.2 MB). Peak memory consumption was 798.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:19:11,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 44694.62 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 795.9 MB). Free memory was 819.6 MB in the beginning and 1.4 GB in the end (delta: -626.2 MB). Peak memory consumption was 798.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 71623]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays 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 20:19:12,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:19:12,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:19:12,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:19:12,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:19:12,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:19:12,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:19:12,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:19:12,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:19:12,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:19:12,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:19:12,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:19:12,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:19:12,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:19:12,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:19:12,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:19:12,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:19:12,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:19:12,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:19:12,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:19:12,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:19:12,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:19:12,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:19:12,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:19:12,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:19:12,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:19:12,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:19:12,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:19:12,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:19:12,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:19:12,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:19:12,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:19:12,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:19:12,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:19:12,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:19:12,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:19:12,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:19:12,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:19:12,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:19:12,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:19:12,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:19:12,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-12-07 20:19:12,576 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:19:12,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:19:12,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:19:12,577 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:19:12,577 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:19:12,578 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:19:12,578 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:19:12,578 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:19:12,578 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:19:12,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:19:12,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:19:12,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:19:12,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:19:12,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:19:12,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:19:12,580 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:19:12,580 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:19:12,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:19:12,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:19:12,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:19:12,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:19:12,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:19:12,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:19:12,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:19:12,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:19:12,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:19:12,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:19:12,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:19:12,583 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:19:12,583 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:19:12,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:19:12,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:19:12,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:19:12,583 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_a2f825d8-55ad-4c9f-9155-08d59361247c/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 -> 77505be774723a9d683bd0e0c3af74448158a5c9 [2019-12-07 20:19:12,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:19:12,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:19:12,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:19:12,775 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:19:12,776 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:19:12,776 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--net--ethernet--broadcom--bnx2x--bnx2x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-12-07 20:19:12,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/data/aff7d65cd/27731d47cbdd41b1a1779c832c7c098e/FLAGbba9fb3c7 [2019-12-07 20:19:13,909 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:19:13,910 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--net--ethernet--broadcom--bnx2x--bnx2x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-12-07 20:19:14,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/data/aff7d65cd/27731d47cbdd41b1a1779c832c7c098e/FLAGbba9fb3c7 [2019-12-07 20:19:14,095 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2f825d8-55ad-4c9f-9155-08d59361247c/bin/utaipan/data/aff7d65cd/27731d47cbdd41b1a1779c832c7c098e [2019-12-07 20:19:14,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:19:14,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:19:14,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:19:14,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:19:14,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:19:14,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:19:14" (1/1) ... [2019-12-07 20:19:14,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f866e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:14, skipping insertion in model container [2019-12-07 20:19:14,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:19:14" (1/1) ... [2019-12-07 20:19:14,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:19:14,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:19:59,774 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-12-07 20:19:59,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bf7dbe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:19:59, skipping insertion in model container [2019-12-07 20:19:59,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:19:59,775 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:19:59,776 INFO L168 Benchmark]: Toolchain (without parser) took 45677.47 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 567.3 MB). Free memory was 823.1 MB in the beginning and 991.7 MB in the end (delta: -168.5 MB). Peak memory consumption was 733.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:19:59,777 INFO L168 Benchmark]: CDTParser took 0.18 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 20:19:59,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 45675.75 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 567.3 MB). Free memory was 823.1 MB in the beginning and 991.7 MB in the end (delta: -168.5 MB). Peak memory consumption was 733.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:19:59,779 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 45675.75 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 567.3 MB). Free memory was 823.1 MB in the beginning and 991.7 MB in the end (delta: -168.5 MB). Peak memory consumption was 733.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 71623]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...