./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-43_2a-drivers--gpu--drm--qxl--qxl.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_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/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_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/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_e5bd321c-ed3b-4c4f-8467-d242a305da72/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 9c916f7cd46f1890dabf82933f4e66c296f8249a4c1906e098bf8506df0bb4e4 ................................................................................................................................ 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_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/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_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/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_e5bd321c-ed3b-4c4f-8467-d242a305da72/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 9c916f7cd46f1890dabf82933f4e66c296f8249a4c1906e098bf8506df0bb4e4 .................................................................................................................................. 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 20:17:55,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:17:55,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:17:55,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:17:55,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:17:55,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:17:55,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:17:55,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:17:55,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:17:55,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:17:55,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:17:55,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:17:55,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:17:55,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:17:55,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:17:55,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:17:55,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:17:55,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:17:55,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:17:55,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:17:55,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:17:55,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:17:55,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:17:55,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:17:55,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:17:55,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:17:55,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:17:55,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:17:55,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:17:55,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:17:55,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:17:55,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:17:55,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:17:55,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:17:55,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:17:55,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:17:55,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:17:55,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:17:55,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:17:55,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:17:55,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:17:55,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-21 20:17:55,632 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:17:55,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:17:55,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:17:55,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:17:55,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:17:55,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:17:55,646 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:17:55,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:17:55,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:17:55,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:17:55,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:17:55,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:17:55,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:17:55,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:17:55,649 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:17:55,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:17:55,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:17:55,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:17:55,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:17:55,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:17:55,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:17:55,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:17:55,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:17:55,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:17:55,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:17:55,653 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:17:55,653 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:17:55,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:17:55,653 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:17:55,656 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_e5bd321c-ed3b-4c4f-8467-d242a305da72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c916f7cd46f1890dabf82933f4e66c296f8249a4c1906e098bf8506df0bb4e4 [2021-10-21 20:17:55,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:17:56,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:17:56,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:17:56,038 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:17:56,039 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:17:56,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2021-10-21 20:17:56,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/data/a5c95adb4/9e1d317dee1c40d79464455ddecbd683/FLAGf9b75fcc2 [2021-10-21 20:17:57,414 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:17:57,415 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2021-10-21 20:17:57,508 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/data/a5c95adb4/9e1d317dee1c40d79464455ddecbd683/FLAGf9b75fcc2 [2021-10-21 20:17:57,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/data/a5c95adb4/9e1d317dee1c40d79464455ddecbd683 [2021-10-21 20:17:57,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:17:57,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:17:57,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:17:57,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:17:57,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:17:57,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:17:57" (1/1) ... [2021-10-21 20:17:57,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581ba037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:17:57, skipping insertion in model container [2021-10-21 20:17:57,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:17:57" (1/1) ... [2021-10-21 20:17:57,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:17:57,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:18:01,810 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: qxl_io_log [2021-10-21 20:18:01,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f84b880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:01, skipping insertion in model container [2021-10-21 20:18:01,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:18:01,813 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-21 20:18:01,817 INFO L168 Benchmark]: Toolchain (without parser) took 4244.38 ms. Allocated memory was 104.9 MB in the beginning and 153.1 MB in the end (delta: 48.2 MB). Free memory was 68.1 MB in the beginning and 100.6 MB in the end (delta: -32.5 MB). Peak memory consumption was 55.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:01,818 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 85.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:18:01,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4238.72 ms. Allocated memory was 104.9 MB in the beginning and 153.1 MB in the end (delta: 48.2 MB). Free memory was 68.1 MB in the beginning and 100.6 MB in the end (delta: -32.5 MB). Peak memory consumption was 55.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:01,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 85.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4238.72 ms. Allocated memory was 104.9 MB in the beginning and 153.1 MB in the end (delta: 48.2 MB). Free memory was 68.1 MB in the beginning and 100.6 MB in the end (delta: -32.5 MB). Peak memory consumption was 55.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8486]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: qxl_io_log 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 20:18:04,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:18:04,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:18:04,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:18:04,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:18:04,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:18:04,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:18:04,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:18:04,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:18:04,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:18:04,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:18:04,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:18:04,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:18:04,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:18:04,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:18:04,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:18:04,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:18:04,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:18:04,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:18:04,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:18:04,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:18:04,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:18:04,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:18:04,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:18:04,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:18:04,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:18:04,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:18:04,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:18:04,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:18:04,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:18:04,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:18:04,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:18:04,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:18:04,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:18:04,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:18:04,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:18:04,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:18:04,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:18:04,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:18:04,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:18:04,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:18:04,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-21 20:18:04,868 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:18:04,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:18:04,869 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:18:04,869 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:18:04,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:18:04,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:18:04,872 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:18:04,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:18:04,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:18:04,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:18:04,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:18:04,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:18:04,874 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:18:04,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:18:04,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:18:04,875 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:18:04,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:18:04,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:18:04,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:18:04,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:18:04,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:18:04,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:18:04,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:18:04,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:18:04,878 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:18:04,878 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:18:04,878 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:18:04,878 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:18:04,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:18:04,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:18:04,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:18:04,880 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_e5bd321c-ed3b-4c4f-8467-d242a305da72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c916f7cd46f1890dabf82933f4e66c296f8249a4c1906e098bf8506df0bb4e4 [2021-10-21 20:18:05,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:18:05,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:18:05,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:18:05,377 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:18:05,378 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:18:05,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2021-10-21 20:18:05,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/data/6864f0dba/a0d0b5a77ce54f06b2e0cfcf36457322/FLAGc20b2ff76 [2021-10-21 20:18:07,047 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:18:07,048 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2021-10-21 20:18:07,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/data/6864f0dba/a0d0b5a77ce54f06b2e0cfcf36457322/FLAGc20b2ff76 [2021-10-21 20:18:07,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bd321c-ed3b-4c4f-8467-d242a305da72/bin/uautomizer-j4sWxH34Be/data/6864f0dba/a0d0b5a77ce54f06b2e0cfcf36457322 [2021-10-21 20:18:07,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:18:07,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:18:07,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:18:07,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:18:07,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:18:07,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:18:07" (1/1) ... [2021-10-21 20:18:07,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ef32ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:07, skipping insertion in model container [2021-10-21 20:18:07,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:18:07" (1/1) ... [2021-10-21 20:18:07,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:18:07,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:18:11,758 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: qxl_io_log [2021-10-21 20:18:11,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ee66414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:18:11, skipping insertion in model container [2021-10-21 20:18:11,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:18:11,761 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-21 20:18:11,764 INFO L168 Benchmark]: Toolchain (without parser) took 4327.14 ms. Allocated memory was 62.9 MB in the beginning and 148.9 MB in the end (delta: 86.0 MB). Free memory was 31.5 MB in the beginning and 102.5 MB in the end (delta: -71.0 MB). Peak memory consumption was 42.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:11,766 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 62.9 MB. Free memory is still 44.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:18:11,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4322.10 ms. Allocated memory was 62.9 MB in the beginning and 148.9 MB in the end (delta: 86.0 MB). Free memory was 31.3 MB in the beginning and 102.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 42.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:18:11,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 62.9 MB. Free memory is still 44.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4322.10 ms. Allocated memory was 62.9 MB in the beginning and 148.9 MB in the end (delta: 86.0 MB). Free memory was 31.3 MB in the beginning and 102.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 42.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8486]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: qxl_io_log RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...