./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--gma500--gma500_gfx.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_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/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_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/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--gma500--gma500_gfx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/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_0b6f8add-b41e-4507-af3d-fd528944b257/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 820791ca4a5b729ea09241fd853f4951361d9ebf5c7978962554702f0e055b46 --- 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 17:21:52,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:21:52,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:21:52,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:21:52,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:21:52,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:21:52,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:21:52,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:21:52,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:21:52,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:21:52,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:21:52,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:21:52,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:21:52,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:21:52,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:21:52,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:21:52,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:21:52,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:21:52,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:21:52,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:21:52,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:21:52,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:21:52,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:21:52,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:21:52,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:21:52,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:21:52,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:21:52,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:21:52,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:21:52,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:21:52,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:21:52,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:21:52,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:21:52,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:21:52,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:21:52,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:21:52,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:21:52,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:21:52,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:21:52,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:21:52,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:21:52,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:21:52,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:21:52,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:21:52,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:21:52,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:21:52,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:21:52,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:21:52,240 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:21:52,240 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:21:52,240 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:21:52,241 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:21:52,242 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:21:52,242 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:21:52,242 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:21:52,243 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:21:52,243 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:21:52,243 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:21:52,243 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:21:52,244 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:21:52,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:21:52,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:21:52,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:21:52,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:21:52,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:21:52,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:21:52,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:21:52,246 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:21:52,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:21:52,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:21:52,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:21:52,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:21:52,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:21:52,249 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:21:52,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:21:52,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:21:52,249 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:21:52,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:21:52,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:21:52,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:21:52,250 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_0b6f8add-b41e-4507-af3d-fd528944b257/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 820791ca4a5b729ea09241fd853f4951361d9ebf5c7978962554702f0e055b46 [2022-10-17 17:21:52,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:21:52,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:21:52,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:21:52,569 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:21:52,570 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:21:52,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--gma500--gma500_gfx.ko-entry_point.cil.out.i [2022-10-17 17:21:52,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/data/619234b41/b95ad2139573468e9c1c9097cb46ff94/FLAG2b1b80982 [2022-10-17 17:21:53,970 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:21:53,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--gma500--gma500_gfx.ko-entry_point.cil.out.i [2022-10-17 17:21:54,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/data/619234b41/b95ad2139573468e9c1c9097cb46ff94/FLAG2b1b80982 [2022-10-17 17:21:54,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/data/619234b41/b95ad2139573468e9c1c9097cb46ff94 [2022-10-17 17:21:54,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:21:54,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:21:54,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:21:54,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:21:54,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:21:54,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:21:54" (1/1) ... [2022-10-17 17:21:54,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e10e57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:21:54, skipping insertion in model container [2022-10-17 17:21:54,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:21:54" (1/1) ... [2022-10-17 17:21:54,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:21:54,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:22:12,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--gma500--gma500_gfx.ko-entry_point.cil.out.i[1174485,1174498] [2022-10-17 17:22:12,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:22:12,942 ERROR L326 MainTranslator]: Incorrect Syntax: Empty initializers are not allowed by the C standard. [2022-10-17 17:22:12,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12492002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:12, skipping insertion in model container [2022-10-17 17:22:12,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:22:12,946 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 17:22:12,949 INFO L158 Benchmark]: Toolchain (without parser) took 18392.88ms. Allocated memory was 140.5MB in the beginning and 308.3MB in the end (delta: 167.8MB). Free memory was 93.5MB in the beginning and 144.2MB in the end (delta: -50.6MB). Peak memory consumption was 161.6MB. Max. memory is 16.1GB. [2022-10-17 17:22:12,950 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:22:12,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 18376.40ms. Allocated memory was 140.5MB in the beginning and 308.3MB in the end (delta: 167.8MB). Free memory was 93.5MB in the beginning and 144.2MB in the end (delta: -50.6MB). Peak memory consumption was 161.6MB. Max. memory is 16.1GB. [2022-10-17 17:22:12,955 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 86.0MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 18376.40ms. Allocated memory was 140.5MB in the beginning and 308.3MB in the end (delta: 167.8MB). Free memory was 93.5MB in the beginning and 144.2MB in the end (delta: -50.6MB). Peak memory consumption was 161.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 14590]: Incorrect Syntax Empty initializers are not allowed by the C standard. RESULT: Ultimate could not prove your program: Incorrect Syntax 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_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/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_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/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--gma500--gma500_gfx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/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_0b6f8add-b41e-4507-af3d-fd528944b257/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 820791ca4a5b729ea09241fd853f4951361d9ebf5c7978962554702f0e055b46 --- 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 17:22:15,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:22:15,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:22:15,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:22:15,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:22:15,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:22:15,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:22:15,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:22:15,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:22:15,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:22:15,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:22:15,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:22:15,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:22:15,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:22:15,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:22:15,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:22:15,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:22:15,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:22:15,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:22:15,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:22:15,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:22:15,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:22:15,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:22:15,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:22:15,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:22:15,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:22:15,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:22:15,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:22:15,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:22:15,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:22:15,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:22:15,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:22:15,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:22:15,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:22:15,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:22:15,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:22:15,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:22:15,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:22:15,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:22:15,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:22:15,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:22:15,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-10-17 17:22:15,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:22:15,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:22:15,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:22:15,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:22:15,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:22:15,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:22:15,402 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:22:15,402 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:22:15,402 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:22:15,403 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:22:15,404 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:22:15,404 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:22:15,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:22:15,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:22:15,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:22:15,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:22:15,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:22:15,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:22:15,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:22:15,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:22:15,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:22:15,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:22:15,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:22:15,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:22:15,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 17:22:15,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:22:15,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:22:15,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:22:15,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:22:15,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:22:15,409 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:22:15,410 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:22:15,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:22:15,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:22:15,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:22:15,411 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_0b6f8add-b41e-4507-af3d-fd528944b257/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 820791ca4a5b729ea09241fd853f4951361d9ebf5c7978962554702f0e055b46 [2022-10-17 17:22:15,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:22:15,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:22:15,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:22:15,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:22:15,798 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:22:15,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--gma500--gma500_gfx.ko-entry_point.cil.out.i [2022-10-17 17:22:15,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/data/fa120ce23/f7283c3f2aa94eef9d8b8811772ebde6/FLAG87cfcd7ab [2022-10-17 17:22:17,502 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:22:17,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--gma500--gma500_gfx.ko-entry_point.cil.out.i [2022-10-17 17:22:17,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/data/fa120ce23/f7283c3f2aa94eef9d8b8811772ebde6/FLAG87cfcd7ab [2022-10-17 17:22:17,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f8add-b41e-4507-af3d-fd528944b257/bin/utaipan-G1rejxKTta/data/fa120ce23/f7283c3f2aa94eef9d8b8811772ebde6 [2022-10-17 17:22:17,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:22:17,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:22:17,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:22:17,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:22:17,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:22:17,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:17" (1/1) ... [2022-10-17 17:22:17,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa849b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:17, skipping insertion in model container [2022-10-17 17:22:17,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:17" (1/1) ... [2022-10-17 17:22:17,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:22:18,234 INFO L178 MainTranslator]: Built tables and reachable declarations