./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:17:44,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:17:44,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-24 23:17:44,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:17:44,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:17:44,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:17:44,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:17:44,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:17:44,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:17:44,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:17:44,700 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:17:44,701 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:17:44,702 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:17:44,703 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:17:44,704 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:17:44,704 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:17:44,704 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:17:44,705 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:17:44,705 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:17:44,706 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:17:44,706 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:17:44,706 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:17:44,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:17:44,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:17:44,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:17:44,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:17:44,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:17:44,709 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:17:44,710 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:17:44,710 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:17:44,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:17:44,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:17:44,712 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:17:44,712 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:17:44,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:17:44,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:17:44,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:17:44,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:17:44,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:17:44,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:17:44,713 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:17:44,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:17:44,714 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:17:44,714 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:17:44,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:17:44,715 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2023-11-24 23:17:44,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:17:45,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:17:45,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:17:45,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:17:45,027 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:17:45,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-24 23:17:48,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:17:48,715 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:17:48,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-24 23:17:48,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/data/234ee4922/9085c96698de4ebebd9b3330446063ea/FLAGc72cc49ae [2023-11-24 23:17:48,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/data/234ee4922/9085c96698de4ebebd9b3330446063ea [2023-11-24 23:17:48,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:17:48,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:17:48,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:17:48,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:17:48,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:17:48,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:17:48" (1/1) ... [2023-11-24 23:17:48,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110c4e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:48, skipping insertion in model container [2023-11-24 23:17:48,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:17:48" (1/1) ... [2023-11-24 23:17:48,947 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:17:49,795 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,223 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,283 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,299 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,303 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,333 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,336 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,411 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,530 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,567 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,572 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,576 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,581 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,582 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,586 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,606 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,608 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,618 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,624 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,625 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,626 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,627 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,628 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,632 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,633 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,634 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-24 23:17:50,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:17:50,748 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-24 23:17:50,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76cee37a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:50, skipping insertion in model container [2023-11-24 23:17:50,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:17:50,750 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:17:50,752 INFO L158 Benchmark]: Toolchain (without parser) took 1960.27ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 58.1MB in the end (delta: 26.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 23:17:50,753 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:17:50,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1955.75ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 58.1MB in the end (delta: 26.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 23:17:50,756 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1955.75ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 58.1MB in the end (delta: 26.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3767]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:17:53,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:17:53,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-24 23:17:53,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:17:53,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:17:53,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:17:53,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:17:53,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:17:53,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:17:53,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:17:53,531 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:17:53,531 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:17:53,532 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:17:53,534 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:17:53,534 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:17:53,534 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:17:53,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:17:53,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:17:53,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:17:53,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:17:53,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:17:53,539 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:17:53,539 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:17:53,540 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:17:53,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:17:53,541 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:17:53,541 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:17:53,542 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:17:53,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:17:53,543 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:17:53,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:17:53,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:17:53,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:17:53,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:17:53,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:17:53,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:17:53,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:17:53,547 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:17:53,548 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:17:53,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:17:53,548 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:17:53,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:17:53,549 INFO L153 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_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2023-11-24 23:17:53,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:17:53,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:17:53,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:17:54,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:17:54,001 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:17:54,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-24 23:17:57,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:17:58,011 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:17:58,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-24 23:17:58,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/data/cce33b44e/ff8c15662d8d490da5f78d0bd17bd635/FLAGb74d17b95 [2023-11-24 23:17:58,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/data/cce33b44e/ff8c15662d8d490da5f78d0bd17bd635 [2023-11-24 23:17:58,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:17:58,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:17:58,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:17:58,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:17:58,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:17:58,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:17:58" (1/1) ... [2023-11-24 23:17:58,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c394a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:58, skipping insertion in model container [2023-11-24 23:17:58,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:17:58" (1/1) ... [2023-11-24 23:17:58,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:18:00,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:00,177 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 23:18:00,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:18:00,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:00,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:18:00,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3641-3642] [2023-11-24 23:18:00,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0\n\tcmovzl %2,%0": "=&r" (r): "rm" (x), "rm" (-1)); [3649] [2023-11-24 23:18:00,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3668] [2023-11-24 23:18:00,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3670] [2023-11-24 23:18:00,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3672] [2023-11-24 23:18:00,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3675] [2023-11-24 23:18:00,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3742] [2023-11-24 23:18:00,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3744] [2023-11-24 23:18:00,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3746] [2023-11-24 23:18:00,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3749] [2023-11-24 23:18:00,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4027] [2023-11-24 23:18:00,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4036] [2023-11-24 23:18:00,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4039] [2023-11-24 23:18:00,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/loop.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/loop.c.p"), "i" (533), "i" (12UL)); [4827-4828] [2023-11-24 23:18:00,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/loop.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/loop.c.p"), "i" (600), "i" (12UL)); [4989-4990] [2023-11-24 23:18:01,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:01,130 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:18:01,130 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:18:01,139 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:18:01,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01 WrapperNode [2023-11-24 23:18:01,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:01,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:01,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:18:01,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:18:01,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,476 INFO L138 Inliner]: procedures = 251, calls = 1214, calls flagged for inlining = 129, calls inlined = 118, statements flattened = 3485 [2023-11-24 23:18:01,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:01,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:18:01,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:18:01,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:18:01,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:18:01,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:18:01,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:18:01,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:18:01,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (1/1) ... [2023-11-24 23:18:01,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:01,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:18:01,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:18:01,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:18:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:18:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-24 23:18:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2023-11-24 23:18:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-24 23:18:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:18:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:18:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:18:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:18:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2023-11-24 23:18:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2023-11-24 23:18:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-24 23:18:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-24 23:18:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-24 23:18:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-24 23:18:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:18:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:18:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2023-11-24 23:18:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2023-11-24 23:18:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2023-11-24 23:18:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2023-11-24 23:18:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-24 23:18:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-24 23:18:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2023-11-24 23:18:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2023-11-24 23:18:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2023-11-24 23:18:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2023-11-24 23:18:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-24 23:18:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-24 23:18:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:18:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:18:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2023-11-24 23:18:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2023-11-24 23:18:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2023-11-24 23:18:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2023-11-24 23:18:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2023-11-24 23:18:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2023-11-24 23:18:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-11-24 23:18:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-11-24 23:18:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2023-11-24 23:18:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2023-11-24 23:18:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:18:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:18:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2023-11-24 23:18:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2023-11-24 23:18:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2023-11-24 23:18:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2023-11-24 23:18:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2023-11-24 23:18:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2023-11-24 23:18:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2023-11-24 23:18:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2023-11-24 23:18:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2023-11-24 23:18:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2023-11-24 23:18:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:18:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:18:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2023-11-24 23:18:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2023-11-24 23:18:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2023-11-24 23:18:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2023-11-24 23:18:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:18:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-24 23:18:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:18:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:18:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-24 23:18:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-24 23:18:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:18:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:18:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:18:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-24 23:18:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-24 23:18:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:18:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:18:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:18:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-24 23:18:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-24 23:18:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:18:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-24 23:18:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-24 23:18:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-24 23:18:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-24 23:18:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-24 23:18:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2023-11-24 23:18:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2023-11-24 23:18:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2023-11-24 23:18:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2023-11-24 23:18:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-24 23:18:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-24 23:18:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2023-11-24 23:18:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2023-11-24 23:18:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2023-11-24 23:18:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2023-11-24 23:18:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2023-11-24 23:18:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2023-11-24 23:18:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-24 23:18:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-24 23:18:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2023-11-24 23:18:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2023-11-24 23:18:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2023-11-24 23:18:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2023-11-24 23:18:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2023-11-24 23:18:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2023-11-24 23:18:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:18:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:18:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:18:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:18:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-11-24 23:18:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-11-24 23:18:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-24 23:18:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-24 23:18:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-24 23:18:01,912 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-24 23:18:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-24 23:18:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-24 23:18:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 23:18:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-24 23:18:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2023-11-24 23:18:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2023-11-24 23:18:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-24 23:18:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-24 23:18:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:18:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-24 23:18:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-24 23:18:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:18:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2023-11-24 23:18:01,914 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2023-11-24 23:18:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:18:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2023-11-24 23:18:01,914 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2023-11-24 23:18:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2023-11-24 23:18:01,915 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2023-11-24 23:18:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:18:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-24 23:18:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2023-11-24 23:18:01,915 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2023-11-24 23:18:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-24 23:18:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-24 23:18:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-24 23:18:01,916 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-24 23:18:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-24 23:18:01,916 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-24 23:18:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2023-11-24 23:18:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2023-11-24 23:18:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2023-11-24 23:18:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2023-11-24 23:18:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2023-11-24 23:18:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2023-11-24 23:18:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-24 23:18:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-24 23:18:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2023-11-24 23:18:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2023-11-24 23:18:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2023-11-24 23:18:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2023-11-24 23:18:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-24 23:18:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-24 23:18:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-24 23:18:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-24 23:18:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-24 23:18:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:18:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:18:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-24 23:18:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-24 23:18:02,566 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:18:02,571 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:18:07,165 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:18:11,279 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2023-11-24 23:18:11,279 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2023-11-24 23:18:11,345 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-24 23:18:11,345 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-24 23:18:14,237 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:18:16,351 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-24 23:18:16,351 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-24 23:18:17,325 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:18:18,378 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:18:18,380 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:18:22,472 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2023-11-24 23:18:22,473 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2023-11-24 23:18:22,473 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2023-11-24 23:18:22,473 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2023-11-24 23:18:22,707 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:18:23,137 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:18:23,138 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:18:23,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:23 BoogieIcfgContainer [2023-11-24 23:18:23,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:18:23,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:18:23,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:18:23,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:18:23,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:17:58" (1/3) ... [2023-11-24 23:18:23,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113cf559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:23, skipping insertion in model container [2023-11-24 23:18:23,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:01" (2/3) ... [2023-11-24 23:18:23,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113cf559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:23, skipping insertion in model container [2023-11-24 23:18:23,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:23" (3/3) ... [2023-11-24 23:18:23,151 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-24 23:18:23,173 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:18:23,174 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1063 error locations. [2023-11-24 23:18:23,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:18:23,285 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@575ed181, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:18:23,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1063 error locations. [2023-11-24 23:18:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 2399 states, 1092 states have (on average 2.1584249084249083) internal successors, (2357), 2123 states have internal predecessors, (2357), 223 states have call successors, (223), 64 states have call predecessors, (223), 64 states have return successors, (223), 222 states have call predecessors, (223), 223 states have call successors, (223) [2023-11-24 23:18:23,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:18:23,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:23,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:23,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2023-11-24 23:18:23,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:23,320 INFO L85 PathProgramCache]: Analyzing trace with hash 571144627, now seen corresponding path program 1 times [2023-11-24 23:18:23,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:18:23,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972219518] [2023-11-24 23:18:23,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:23,342 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:18:23,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:18:23,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:18:23,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:18:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:24,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:18:24,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:18:24,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:18:24,234 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:18:24,235 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:18:24,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972219518] [2023-11-24 23:18:24,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972219518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:24,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:24,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:18:24,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458834533] [2023-11-24 23:18:24,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:24,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:18:24,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:18:24,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:18:24,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:18:24,287 INFO L87 Difference]: Start difference. First operand has 2399 states, 1092 states have (on average 2.1584249084249083) internal successors, (2357), 2123 states have internal predecessors, (2357), 223 states have call successors, (223), 64 states have call predecessors, (223), 64 states have return successors, (223), 222 states have call predecessors, (223), 223 states have call successors, (223) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:18:28,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:18:28,562 INFO L93 Difference]: Finished difference Result 2388 states and 2779 transitions. [2023-11-24 23:18:28,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:18:28,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-24 23:18:28,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:18:28,598 INFO L225 Difference]: With dead ends: 2388 [2023-11-24 23:18:28,598 INFO L226 Difference]: Without dead ends: 2385 [2023-11-24 23:18:28,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:18:28,604 INFO L413 NwaCegarLoop]: 2496 mSDtfsCounter, 2778 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2778 SdHoareTripleChecker+Valid, 2496 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:18:28,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2778 Valid, 2496 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-24 23:18:28,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states. [2023-11-24 23:18:28,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 2385. [2023-11-24 23:18:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 1084 states have (on average 2.154059040590406) internal successors, (2335), 2113 states have internal predecessors, (2335), 220 states have call successors, (220), 63 states have call predecessors, (220), 62 states have return successors, (218), 217 states have call predecessors, (218), 218 states have call successors, (218) [2023-11-24 23:18:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 2773 transitions. [2023-11-24 23:18:28,859 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 2773 transitions. Word has length 9 [2023-11-24 23:18:28,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:18:28,860 INFO L495 AbstractCegarLoop]: Abstraction has 2385 states and 2773 transitions. [2023-11-24 23:18:28,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:18:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 2773 transitions. [2023-11-24 23:18:28,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:18:28,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:28,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:28,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:18:29,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:18:29,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2023-11-24 23:18:29,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:29,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1176845812, now seen corresponding path program 1 times [2023-11-24 23:18:29,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:18:29,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607917906] [2023-11-24 23:18:29,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:29,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:18:29,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:18:29,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:18:29,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e5349e-f165-4bcc-aec1-b1d55c0ae71f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:18:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:29,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:18:29,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:18:29,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:18:29,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:18:29,946 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:18:29,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607917906] [2023-11-24 23:18:29,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607917906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:29,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:29,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:18:29,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420998862] [2023-11-24 23:18:29,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:29,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:18:29,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:18:29,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:18:29,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:18:29,958 INFO L87 Difference]: Start difference. First operand 2385 states and 2773 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)