./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/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_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:37:05,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:37:05,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:37:05,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:37:05,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:37:05,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:37:05,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:37:05,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:37:05,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:37:06,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:37:06,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:37:06,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:37:06,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:37:06,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:37:06,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:37:06,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:37:06,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:37:06,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:37:06,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:37:06,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:37:06,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:37:06,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:37:06,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:37:06,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:37:06,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:37:06,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:37:06,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:37:06,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:37:06,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:37:06,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:37:06,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:37:06,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:37:06,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:37:06,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:37:06,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:37:06,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:37:06,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:37:06,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:37:06,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:37:06,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:37:06,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:37:06,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:37:06,103 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:37:06,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:37:06,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:37:06,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:37:06,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:37:06,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:37:06,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:37:06,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:37:06,107 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:37:06,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:37:06,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:37:06,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:37:06,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:37:06,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:37:06,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:37:06,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:37:06,109 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:37:06,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:37:06,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:37:06,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:37:06,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:37:06,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:37:06,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:37:06,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:37:06,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:37:06,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:37:06,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:37:06,112 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:37:06,112 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:37:06,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:37:06,113 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_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2c273e06bb3f2b20d720f2b24bf34fef4ffc3064df097c5b3174c65e6b5940 [2022-11-02 20:37:06,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:37:06,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:37:06,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:37:06,438 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:37:06,439 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:37:06,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/../../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 [2022-11-02 20:37:06,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/data/1d3bb22e3/ce38080aca3e4260b04b58a87ef8a21f/FLAG748040608 [2022-11-02 20:37:10,287 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:37:10,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/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 [2022-11-02 20:37:10,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/data/1d3bb22e3/ce38080aca3e4260b04b58a87ef8a21f/FLAG748040608 [2022-11-02 20:37:11,323 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/data/1d3bb22e3/ce38080aca3e4260b04b58a87ef8a21f [2022-11-02 20:37:11,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:37:11,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:37:11,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:37:11,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:37:11,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:37:11,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:37:11" (1/1) ... [2022-11-02 20:37:11,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e76870f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:11, skipping insertion in model container [2022-11-02 20:37:11,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:37:11" (1/1) ... [2022-11-02 20:37:11,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:37:12,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:39:26,200 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2022-11-02 20:39:26,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4babb41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:26, skipping insertion in model container [2022-11-02 20:39:26,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:39:26,201 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-02 20:39:26,204 INFO L158 Benchmark]: Toolchain (without parser) took 134875.57ms. Allocated memory was 272.6MB in the beginning and 1.0GB in the end (delta: 767.6MB). Free memory was 115.2MB in the beginning and 282.1MB in the end (delta: -166.9MB). Peak memory consumption was 655.2MB. Max. memory is 16.1GB. [2022-11-02 20:39:26,205 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:39:26,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 134873.17ms. Allocated memory was 272.6MB in the beginning and 1.0GB in the end (delta: 767.6MB). Free memory was 115.2MB in the beginning and 282.1MB in the end (delta: -166.9MB). Peak memory consumption was 655.2MB. Max. memory is 16.1GB. [2022-11-02 20:39:26,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 134873.17ms. Allocated memory was 272.6MB in the beginning and 1.0GB in the end (delta: 767.6MB). Free memory was 115.2MB in the beginning and 282.1MB in the end (delta: -166.9MB). Peak memory consumption was 655.2MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/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_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:39:28,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:39:28,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:39:28,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:39:28,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:39:28,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:39:28,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:39:28,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:39:28,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:39:28,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:39:28,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:39:28,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:39:28,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:39:28,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:39:28,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:39:28,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:39:28,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:39:28,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:39:28,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:39:28,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:39:28,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:39:28,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:39:28,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:39:28,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:39:28,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:39:28,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:39:28,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:39:28,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:39:28,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:39:28,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:39:28,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:39:28,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:39:28,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:39:28,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:39:28,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:39:28,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:39:28,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:39:28,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:39:28,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:39:28,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:39:28,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:39:28,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:39:28,812 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:39:28,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:39:28,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:39:28,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:39:28,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:39:28,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:39:28,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:39:28,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:39:28,818 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:39:28,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:39:28,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:39:28,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:39:28,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:39:28,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:39:28,820 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:39:28,820 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:39:28,820 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:39:28,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:39:28,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:39:28,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:39:28,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:39:28,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:39:28,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:39:28,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:39:28,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:39:28,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:39:28,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:39:28,823 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:39:28,823 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:39:28,823 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:39:28,823 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:39:28,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:39:28,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:39:28,824 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_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2c273e06bb3f2b20d720f2b24bf34fef4ffc3064df097c5b3174c65e6b5940 [2022-11-02 20:39:29,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:39:29,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:39:29,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:39:29,265 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:39:29,266 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:39:29,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/../../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 [2022-11-02 20:39:29,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/data/356ef2b6c/da5d0880c1c448babc9b9bb6ae51a5a5/FLAGf31891f9d [2022-11-02 20:39:34,935 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:39:34,937 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/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 [2022-11-02 20:39:35,393 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/data/356ef2b6c/da5d0880c1c448babc9b9bb6ae51a5a5/FLAGf31891f9d [2022-11-02 20:39:35,853 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbc4922-5dc7-4d54-b421-f3f47e77e2ad/bin/uautomizer-Dbtcem3rbc/data/356ef2b6c/da5d0880c1c448babc9b9bb6ae51a5a5 [2022-11-02 20:39:35,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:39:35,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:39:35,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:39:35,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:39:35,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:39:35,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:39:35" (1/1) ... [2022-11-02 20:39:35,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a057c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:35, skipping insertion in model container [2022-11-02 20:39:35,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:39:35" (1/1) ... [2022-11-02 20:39:35,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:39:37,288 INFO L178 MainTranslator]: Built tables and reachable declarations