./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--drm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta --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 0f3f25ab272778d60a4dd1d458386797c8180d957341967ff1891e4670b1d0f6 --- 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-dbf71c6-m [2022-10-17 17:40:20,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:40:20,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:40:20,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:40:20,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:40:20,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:40:20,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:40:20,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:40:20,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:40:20,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:40:20,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:40:20,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:40:20,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:40:20,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:40:20,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:40:20,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:40:20,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:40:20,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:40:20,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:40:20,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:40:20,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:40:20,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:40:20,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:40:20,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:40:20,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:40:20,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:40:20,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:40:20,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:40:20,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:40:20,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:40:20,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:40:20,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:40:20,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:40:20,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:40:20,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:40:20,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:40:20,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:40:20,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:40:20,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:40:20,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:40:20,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:40:20,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:40:20,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:40:20,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:40:20,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:40:20,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:40:20,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:40:20,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:40:20,868 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:40:20,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:40:20,869 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:40:20,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:40:20,870 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:40:20,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:40:20,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:40:20,870 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:40:20,871 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:40:20,871 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:40:20,871 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:40:20,871 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:40:20,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:40:20,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:40:20,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:40:20,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:40:20,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:40:20,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:40:20,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:40:20,874 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:40:20,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:40:20,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:40:20,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:40:20,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:40:20,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:40:20,875 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:40:20,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:40:20,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:40:20,876 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:40:20,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:40:20,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:40:20,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:40:20,879 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_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3f25ab272778d60a4dd1d458386797c8180d957341967ff1891e4670b1d0f6 [2022-10-17 17:40:21,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:40:21,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:40:21,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:40:21,220 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:40:21,221 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:40:21,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i [2022-10-17 17:40:21,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/data/53fe12ef8/d2adfb80db854044ac5109baede63b7d/FLAG58d5fba55 [2022-10-17 17:40:23,112 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:40:23,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i [2022-10-17 17:40:23,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/data/53fe12ef8/d2adfb80db854044ac5109baede63b7d/FLAG58d5fba55 [2022-10-17 17:40:23,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/data/53fe12ef8/d2adfb80db854044ac5109baede63b7d [2022-10-17 17:40:23,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:40:23,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:40:23,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:40:23,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:40:23,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:40:23,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:40:23" (1/1) ... [2022-10-17 17:40:23,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e06e48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:40:23, skipping insertion in model container [2022-10-17 17:40:23,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:40:23" (1/1) ... [2022-10-17 17:40:23,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:40:24,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:40:26,076 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: drm_ut_debug_printk [2022-10-17 17:40:26,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@355c9d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:40:26, skipping insertion in model container [2022-10-17 17:40:26,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:40:26,078 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 17:40:26,081 INFO L158 Benchmark]: Toolchain (without parser) took 2438.78ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 76.1MB in the beginning and 100.1MB in the end (delta: -24.0MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-10-17 17:40:26,083 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 79.6MB in the beginning and 79.5MB in the end (delta: 117.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:40:26,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2436.25ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 76.1MB in the beginning and 100.1MB in the end (delta: -24.0MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-10-17 17:40:26,088 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 100.7MB. Free memory was 79.6MB in the beginning and 79.5MB in the end (delta: 117.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2436.25ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 76.1MB in the beginning and 100.1MB in the end (delta: -24.0MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7065]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: drm_ut_debug_printk RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta --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 0f3f25ab272778d60a4dd1d458386797c8180d957341967ff1891e4670b1d0f6 --- 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-dbf71c6-m [2022-10-17 17:40:28,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:40:28,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:40:28,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:40:28,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:40:28,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:40:28,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:40:28,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:40:28,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:40:28,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:40:28,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:40:28,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:40:28,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:40:28,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:40:28,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:40:28,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:40:28,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:40:28,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:40:28,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:40:28,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:40:28,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:40:28,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:40:28,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:40:28,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:40:28,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:40:28,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:40:28,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:40:28,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:40:28,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:40:28,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:40:28,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:40:28,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:40:28,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:40:28,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:40:28,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:40:28,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:40:28,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:40:28,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:40:28,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:40:28,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:40:28,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:40:28,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-10-17 17:40:28,663 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:40:28,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:40:28,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:40:28,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:40:28,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:40:28,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:40:28,667 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:40:28,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:40:28,668 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:40:28,668 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:40:28,669 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:40:28,670 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:40:28,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:40:28,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:40:28,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:40:28,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:40:28,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:40:28,672 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:40:28,673 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:40:28,673 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:40:28,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:40:28,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:40:28,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:40:28,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:40:28,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 17:40:28,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:40:28,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:40:28,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:40:28,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:40:28,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:40:28,676 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:40:28,676 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:40:28,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:40:28,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:40:28,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:40:28,677 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_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3f25ab272778d60a4dd1d458386797c8180d957341967ff1891e4670b1d0f6 [2022-10-17 17:40:29,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:40:29,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:40:29,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:40:29,127 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:40:29,128 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:40:29,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i [2022-10-17 17:40:29,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/data/1d1c5bff3/c5d778d3660343e78fe0db3b4af3180e/FLAG7a7a291d0 [2022-10-17 17:40:31,226 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:40:31,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--drm.ko-entry_point.cil.out.i [2022-10-17 17:40:31,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/data/1d1c5bff3/c5d778d3660343e78fe0db3b4af3180e/FLAG7a7a291d0 [2022-10-17 17:40:31,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82bca46-6155-441d-8c7d-2f20b46807c6/bin/utaipan-G1rejxKTta/data/1d1c5bff3/c5d778d3660343e78fe0db3b4af3180e [2022-10-17 17:40:31,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:40:31,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:40:31,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:40:31,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:40:31,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:40:31,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:40:31" (1/1) ... [2022-10-17 17:40:31,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3dbf49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:40:31, skipping insertion in model container [2022-10-17 17:40:31,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:40:31" (1/1) ... [2022-10-17 17:40:31,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:40:32,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:40:33,957 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: drm_ut_debug_printk [2022-10-17 17:40:33,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1122bdc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:40:33, skipping insertion in model container [2022-10-17 17:40:33,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:40:33,959 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 17:40:33,961 INFO L158 Benchmark]: Toolchain (without parser) took 2383.70ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 40.3MB in the beginning and 79.5MB in the end (delta: -39.2MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2022-10-17 17:40:33,962 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 50.5MB in the beginning and 50.5MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:40:33,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2381.45ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 40.1MB in the beginning and 79.5MB in the end (delta: -39.4MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2022-10-17 17:40:33,965 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 69.2MB. Free memory was 50.5MB in the beginning and 50.5MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2381.45ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 40.1MB in the beginning and 79.5MB in the end (delta: -39.4MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7065]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: drm_ut_debug_printk 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