./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-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3e2c273e06bb3f2b20d720f2b24bf34fef4ffc3064df097c5b3174c65e6b5940 ................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3e2c273e06bb3f2b20d720f2b24bf34fef4ffc3064df097c5b3174c65e6b5940 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:44:31,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:44:31,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:44:31,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:44:31,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:44:31,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:44:31,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:44:31,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:44:31,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:44:31,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:44:31,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:44:31,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:44:31,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:44:31,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:44:31,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:44:31,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:44:31,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:44:31,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:44:31,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:44:31,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:44:31,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:44:31,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:44:31,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:44:31,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:44:31,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:44:31,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:44:31,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:44:31,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:44:31,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:44:31,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:44:31,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:44:31,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:44:31,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:44:31,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:44:31,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:44:31,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:44:31,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:44:31,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:44:31,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:44:31,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:44:31,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:44:31,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-21 19:44:31,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:44:31,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:44:31,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:44:31,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:44:31,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:44:31,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:44:31,975 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:44:31,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:44:31,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:44:31,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:44:31,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:44:31,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:44:31,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:44:31,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:44:31,978 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:44:31,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:44:31,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:44:31,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:44:31,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:44:31,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:44:31,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:44:31,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:44:31,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:44:31,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:44:31,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:44:31,981 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:44:31,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:44:31,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:44:31,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:44:31,984 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_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2c273e06bb3f2b20d720f2b24bf34fef4ffc3064df097c5b3174c65e6b5940 [2021-10-21 19:44:32,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:44:32,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:44:32,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:44:32,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:44:32,342 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:44:32,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-10-21 19:44:32,429 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/data/64ed10341/b6fb6cd4b9034274888791b23ea9befa/FLAGfbccfa212 [2021-10-21 19:44:37,153 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:44:37,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-10-21 19:44:38,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/data/64ed10341/b6fb6cd4b9034274888791b23ea9befa/FLAGfbccfa212 [2021-10-21 19:44:38,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/data/64ed10341/b6fb6cd4b9034274888791b23ea9befa [2021-10-21 19:44:38,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:44:38,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:44:38,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:44:38,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:44:38,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:44:38,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56054394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:44:38, skipping insertion in model container [2021-10-21 19:44:38,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:44:38" (1/1) ... [2021-10-21 19:44:38,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:44:39,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:46:00,365 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2021-10-21 19:46:00,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17b40f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:00, skipping insertion in model container [2021-10-21 19:46:00,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:46:00,367 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-21 19:46:00,370 INFO L168 Benchmark]: Toolchain (without parser) took 82056.45 ms. Allocated memory was 262.1 MB in the beginning and 899.7 MB in the end (delta: 637.5 MB). Free memory was 96.2 MB in the beginning and 286.8 MB in the end (delta: -190.6 MB). Peak memory consumption was 451.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:00,371 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory is still 79.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:46:00,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 82051.67 ms. Allocated memory was 262.1 MB in the beginning and 899.7 MB in the end (delta: 637.5 MB). Free memory was 96.2 MB in the beginning and 286.8 MB in the end (delta: -190.6 MB). Peak memory consumption was 451.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:00,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory is still 79.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 82051.67 ms. Allocated memory was 262.1 MB in the beginning and 899.7 MB in the end (delta: 637.5 MB). Free memory was 96.2 MB in the beginning and 286.8 MB in the end (delta: -190.6 MB). Peak memory consumption was 451.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 27311]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:46:03,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:46:03,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:46:03,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:46:03,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:46:03,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:46:03,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:46:03,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:46:03,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:46:03,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:46:03,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:46:03,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:46:03,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:46:03,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:46:03,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:46:03,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:46:03,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:46:03,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:46:03,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:46:03,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:46:03,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:46:03,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:46:03,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:46:03,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:46:03,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:46:03,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:46:03,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:46:03,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:46:03,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:46:03,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:46:03,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:46:03,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:46:03,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:46:03,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:46:03,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:46:03,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:46:03,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:46:03,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:46:03,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:46:03,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:46:03,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:46:03,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-21 19:46:03,393 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:46:03,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:46:03,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:46:03,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:46:03,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:46:03,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:46:03,396 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:46:03,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:46:03,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:46:03,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:46:03,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:46:03,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:46:03,398 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:46:03,398 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:46:03,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:46:03,399 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:46:03,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:46:03,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:46:03,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:46:03,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:46:03,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:46:03,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:46:03,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:46:03,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:46:03,402 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:46:03,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:46:03,402 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:46:03,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:46:03,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:46:03,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:46:03,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:46:03,404 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_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2c273e06bb3f2b20d720f2b24bf34fef4ffc3064df097c5b3174c65e6b5940 [2021-10-21 19:46:03,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:46:03,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:46:03,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:46:03,884 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:46:03,885 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:46:03,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-10-21 19:46:03,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/data/7ba9e0b1d/95802f30673142c49006a9e825f2078d/FLAG5238386dc [2021-10-21 19:46:08,752 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:46:08,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-10-21 19:46:09,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/data/7ba9e0b1d/95802f30673142c49006a9e825f2078d/FLAG5238386dc [2021-10-21 19:46:09,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e07ccdc7-8ecf-4428-b732-c0dd90f6a41b/bin/uautomizer-j4sWxH34Be/data/7ba9e0b1d/95802f30673142c49006a9e825f2078d [2021-10-21 19:46:09,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:46:09,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:46:09,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:46:09,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:46:09,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:46:09,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:46:09" (1/1) ... [2021-10-21 19:46:09,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3d15ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:09, skipping insertion in model container [2021-10-21 19:46:09,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:46:09" (1/1) ... [2021-10-21 19:46:09,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:46:11,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:47:34,116 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2021-10-21 19:47:34,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6331e3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:47:34, skipping insertion in model container [2021-10-21 19:47:34,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:47:34,118 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-21 19:47:34,121 INFO L168 Benchmark]: Toolchain (without parser) took 84529.82 ms. Allocated memory was 373.3 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 185.9 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 358.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:47:34,123 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory was 48.9 MB in the beginning and 48.8 MB in the end (delta: 53.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:47:34,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 84524.72 ms. Allocated memory was 373.3 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 185.7 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 358.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:47:34,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory was 48.9 MB in the beginning and 48.8 MB in the end (delta: 53.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 84524.72 ms. Allocated memory was 373.3 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 185.7 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 358.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 27311]: 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...