./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:19:22,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:19:22,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:19:22,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:19:22,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:19:22,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:19:22,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:19:22,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:19:22,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:19:22,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:19:22,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:19:22,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:19:22,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:19:22,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:19:22,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:19:22,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:19:22,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:19:22,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:19:22,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:19:22,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:19:22,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:19:22,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:19:22,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:19:22,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:19:22,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:19:22,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:19:22,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:19:22,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:19:22,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:19:22,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:19:22,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:19:22,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:19:22,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:19:22,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:19:22,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:19:22,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:19:22,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:19:22,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:19:22,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:19:22,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:19:22,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:19:22,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:19:22,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:19:22,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:19:22,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:19:22,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:19:22,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:19:22,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:19:22,351 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:19:22,351 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:19:22,352 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:19:22,352 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:19:22,353 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:19:22,353 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:19:22,353 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:19:22,354 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:19:22,354 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:19:22,354 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:19:22,354 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:19:22,355 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:19:22,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:19:22,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:19:22,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:19:22,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:19:22,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:19:22,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:19:22,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:19:22,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:19:22,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:19:22,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:19:22,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:19:22,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:19:22,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:19:22,360 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:19:22,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:19:22,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:19:22,360 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:19:22,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:19:22,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:19:22,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:19:22,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e [2022-11-03 01:19:22,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:19:22,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:19:22,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:19:22,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:19:22,707 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:19:22,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2022-11-03 01:19:22,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/data/774a60ae2/3ac3c65b55dc42f08e4d477590b6bb4d/FLAG30c5aaa17 [2022-11-03 01:19:26,616 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:19:26,617 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2022-11-03 01:19:26,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/data/774a60ae2/3ac3c65b55dc42f08e4d477590b6bb4d/FLAG30c5aaa17 [2022-11-03 01:19:27,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/data/774a60ae2/3ac3c65b55dc42f08e4d477590b6bb4d [2022-11-03 01:19:27,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:19:27,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:19:27,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:19:27,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:19:27,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:19:27,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:19:27" (1/1) ... [2022-11-03 01:19:27,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a65d2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:19:27, skipping insertion in model container [2022-11-03 01:19:27,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:19:27" (1/1) ... [2022-11-03 01:19:27,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:19:28,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:21:26,482 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2022-11-03 01:21:26,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a9e1359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:21:26, skipping insertion in model container [2022-11-03 01:21:26,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:21:26,483 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:21:26,485 INFO L158 Benchmark]: Toolchain (without parser) took 119342.46ms. Allocated memory was 474.0MB in the beginning and 1.1GB in the end (delta: 664.8MB). Free memory was 293.8MB in the beginning and 842.9MB in the end (delta: -549.1MB). Peak memory consumption was 722.9MB. Max. memory is 16.1GB. [2022-11-03 01:21:26,486 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:21:26,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 119337.94ms. Allocated memory was 474.0MB in the beginning and 1.1GB in the end (delta: 664.8MB). Free memory was 293.8MB in the beginning and 842.9MB in the end (delta: -549.1MB). Peak memory consumption was 722.9MB. Max. memory is 16.1GB. [2022-11-03 01:21:26,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 119337.94ms. Allocated memory was 474.0MB in the beginning and 1.1GB in the end (delta: 664.8MB). Free memory was 293.8MB in the beginning and 842.9MB in the end (delta: -549.1MB). Peak memory consumption was 722.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 26370]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:21:28,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:21:28,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:21:28,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:21:28,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:21:28,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:21:28,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:21:28,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:21:28,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:21:28,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:21:28,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:21:28,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:21:28,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:21:28,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:21:28,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:21:28,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:21:28,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:21:28,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:21:28,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:21:28,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:21:28,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:21:28,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:21:28,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:21:28,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:21:28,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:21:28,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:21:28,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:21:28,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:21:28,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:21:28,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:21:28,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:21:28,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:21:28,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:21:28,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:21:28,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:21:28,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:21:28,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:21:28,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:21:28,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:21:28,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:21:28,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:21:28,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 01:21:28,919 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:21:28,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:21:28,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:21:28,921 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:21:28,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:21:28,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:21:28,922 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:21:28,922 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:21:28,922 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:21:28,922 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:21:28,923 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:21:28,924 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:21:28,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:21:28,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:21:28,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:21:28,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:21:28,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:21:28,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:21:28,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:21:28,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:21:28,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:21:28,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:21:28,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:21:28,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:21:28,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:21:28,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:21:28,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:21:28,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:21:28,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:21:28,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:21:28,928 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:21:28,928 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:21:28,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:21:28,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:21:28,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:21:28,930 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e [2022-11-03 01:21:29,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:21:29,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:21:29,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:21:29,399 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:21:29,400 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:21:29,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2022-11-03 01:21:29,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/data/d1d7ad4d9/54c5016b3ad94ff3b54ab14c5ab99442/FLAGc89fa97e6 [2022-11-03 01:21:33,608 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:21:33,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2022-11-03 01:21:33,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/data/d1d7ad4d9/54c5016b3ad94ff3b54ab14c5ab99442/FLAGc89fa97e6 [2022-11-03 01:21:34,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab24a2dc-a75b-4f32-80de-4a464cf767f8/bin/utaipan-7li7fVZpFI/data/d1d7ad4d9/54c5016b3ad94ff3b54ab14c5ab99442 [2022-11-03 01:21:34,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:21:34,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:21:34,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:21:34,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:21:34,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:21:34,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:21:34" (1/1) ... [2022-11-03 01:21:34,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f51f480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:21:34, skipping insertion in model container [2022-11-03 01:21:34,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:21:34" (1/1) ... [2022-11-03 01:21:34,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:21:35,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:22:24,741 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2022-11-03 01:22:24,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65c70a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:22:24, skipping insertion in model container [2022-11-03 01:22:24,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:22:24,742 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:22:24,746 INFO L158 Benchmark]: Toolchain (without parser) took 50387.25ms. Allocated memory was 314.6MB in the beginning and 729.8MB in the end (delta: 415.2MB). Free memory was 130.6MB in the beginning and 474.6MB in the end (delta: -343.9MB). Peak memory consumption was 431.1MB. Max. memory is 16.1GB. [2022-11-03 01:22:24,747 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:22:24,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 50385.14ms. Allocated memory was 314.6MB in the beginning and 729.8MB in the end (delta: 415.2MB). Free memory was 130.6MB in the beginning and 474.6MB in the end (delta: -343.9MB). Peak memory consumption was 431.1MB. Max. memory is 16.1GB. [2022-11-03 01:22:24,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 50385.14ms. Allocated memory was 314.6MB in the beginning and 729.8MB in the end (delta: 415.2MB). Free memory was 130.6MB in the beginning and 474.6MB in the end (delta: -343.9MB). Peak memory consumption was 431.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 26370]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN