./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/config/AutomizerMemDerefMemtrack.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_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:27,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:27,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-21 22:25:27,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:27,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:27,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:27,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:27,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:27,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:27,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:27,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:27,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:27,987 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:27,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:27,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:27,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:27,990 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 22:25:27,990 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 22:25:27,990 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 22:25:27,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:27,991 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:25:27,992 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:25:27,992 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:27,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:27,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:27,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:27,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:27,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:27,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:27,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:27,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:25:27,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:25:27,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:27,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:27,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:27,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:27,999 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2023-11-21 22:25:28,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:28,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:28,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:28,340 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:28,341 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:28,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-21 22:25:31,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:32,225 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:32,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-21 22:25:32,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/data/255998be6/b64b1f43ae7a4b8da002246a45b6a116/FLAGc5cacfbfb [2023-11-21 22:25:32,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/data/255998be6/b64b1f43ae7a4b8da002246a45b6a116 [2023-11-21 22:25:32,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:32,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:32,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:32,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:32,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:32,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:32" (1/1) ... [2023-11-21 22:25:32,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6496732e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:32, skipping insertion in model container [2023-11-21 22:25:32,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:32" (1/1) ... [2023-11-21 22:25:32,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:33,490 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:33,918 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:33,957 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:33,968 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:33,973 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,011 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,012 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,086 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,192 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,249 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,260 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,269 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,275 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,286 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,291 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,307 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,308 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,324 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,334 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,336 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,338 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,339 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,340 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,346 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,347 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,348 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:25:34,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:34,506 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) [2023-11-21 22:25:34,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f2ae9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:34, skipping insertion in model container [2023-11-21 22:25:34,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:34,507 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 22:25:34,510 INFO L158 Benchmark]: Toolchain (without parser) took 2209.65ms. Allocated memory is still 178.3MB. Free memory was 128.5MB in the beginning and 103.8MB in the end (delta: 24.7MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-21 22:25:34,511 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 119.5MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:34,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2206.70ms. Allocated memory is still 178.3MB. Free memory was 128.5MB in the beginning and 103.8MB in the end (delta: 24.7MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-21 22:25:34,514 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 119.5MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2206.70ms. Allocated memory is still 178.3MB. Free memory was 128.5MB in the beginning and 103.8MB in the end (delta: 24.7MB). Peak memory consumption was 45.6MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/config/AutomizerMemDerefMemtrack.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_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:37,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:37,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-21 22:25:37,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:37,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:37,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:37,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:37,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:37,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:37,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:37,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:37,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:37,470 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:37,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:37,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:37,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:37,473 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 22:25:37,473 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 22:25:37,474 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 22:25:37,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:37,476 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:25:37,482 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:25:37,483 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:25:37,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:25:37,484 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:37,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:37,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:37,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:37,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:37,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:37,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:37,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:37,489 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:25:37,489 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:25:37,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:37,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:37,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:37,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:37,491 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:25:37,492 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2023-11-21 22:25:37,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:38,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:38,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:38,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:38,015 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:38,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-21 22:25:41,382 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:42,031 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:42,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-21 22:25:42,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/data/46ba666bd/227b661ddf5a421bb58211ec586c99b4/FLAG64c24cea6 [2023-11-21 22:25:42,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/data/46ba666bd/227b661ddf5a421bb58211ec586c99b4 [2023-11-21 22:25:42,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:42,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:42,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:42,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:42,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:42,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b40dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:42, skipping insertion in model container [2023-11-21 22:25:42,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:42" (1/1) ... [2023-11-21 22:25:42,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:43,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:44,000 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 22:25:44,081 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:44,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:44,468 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:44,582 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] [2023-11-21 22:25:44,588 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] [2023-11-21 22:25:44,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3668] [2023-11-21 22:25:44,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3670] [2023-11-21 22:25:44,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3672] [2023-11-21 22:25:44,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3675] [2023-11-21 22:25:44,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3742] [2023-11-21 22:25:44,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3744] [2023-11-21 22:25:44,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3746] [2023-11-21 22:25:44,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3749] [2023-11-21 22:25:44,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4027] [2023-11-21 22:25:44,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4036] [2023-11-21 22:25:44,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4039] [2023-11-21 22:25:44,646 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] [2023-11-21 22:25:44,650 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] [2023-11-21 22:25:44,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:44,899 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:25:44,899 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:25:44,907 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:44,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44 WrapperNode [2023-11-21 22:25:44,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:44,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:44,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:44,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:44,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,178 INFO L138 Inliner]: procedures = 251, calls = 1214, calls flagged for inlining = 129, calls inlined = 118, statements flattened = 3465 [2023-11-21 22:25:45,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:45,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:45,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:45,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:45,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:45,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:45,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:45,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:45,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (1/1) ... [2023-11-21 22:25:45,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:45,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:45,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:45,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-21 22:25:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-21 22:25:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2023-11-21 22:25:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-21 22:25:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 22:25:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:25:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-21 22:25:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:25:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2023-11-21 22:25:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2023-11-21 22:25:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-21 22:25:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-21 22:25:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-21 22:25:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-21 22:25:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:25:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:25:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2023-11-21 22:25:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2023-11-21 22:25:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2023-11-21 22:25:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2023-11-21 22:25:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-21 22:25:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-21 22:25:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2023-11-21 22:25:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2023-11-21 22:25:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2023-11-21 22:25:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2023-11-21 22:25:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-21 22:25:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-21 22:25:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:25:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:25:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2023-11-21 22:25:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2023-11-21 22:25:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2023-11-21 22:25:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2023-11-21 22:25:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2023-11-21 22:25:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2023-11-21 22:25:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-11-21 22:25:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-11-21 22:25:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2023-11-21 22:25:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2023-11-21 22:25:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:25:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:25:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2023-11-21 22:25:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2023-11-21 22:25:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2023-11-21 22:25:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2023-11-21 22:25:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2023-11-21 22:25:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2023-11-21 22:25:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2023-11-21 22:25:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2023-11-21 22:25:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2023-11-21 22:25:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2023-11-21 22:25:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:25:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:25:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2023-11-21 22:25:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2023-11-21 22:25:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2023-11-21 22:25:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2023-11-21 22:25:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:25:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-21 22:25:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-21 22:25:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-21 22:25:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-21 22:25:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-21 22:25:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:25:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 22:25:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:25:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-21 22:25:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-21 22:25:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:25:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:25:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 22:25:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-21 22:25:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-21 22:25:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 22:25:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-21 22:25:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-21 22:25:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-21 22:25:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 22:25:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 22:25:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2023-11-21 22:25:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2023-11-21 22:25:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2023-11-21 22:25:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2023-11-21 22:25:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-21 22:25:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-21 22:25:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2023-11-21 22:25:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2023-11-21 22:25:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2023-11-21 22:25:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2023-11-21 22:25:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2023-11-21 22:25:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2023-11-21 22:25:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-21 22:25:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-21 22:25:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2023-11-21 22:25:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2023-11-21 22:25:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2023-11-21 22:25:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2023-11-21 22:25:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2023-11-21 22:25:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2023-11-21 22:25:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:25:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:25:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:25:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:25:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-11-21 22:25:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-11-21 22:25:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-21 22:25:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-21 22:25:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-21 22:25:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-21 22:25:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-21 22:25:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-21 22:25:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 22:25:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-21 22:25:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2023-11-21 22:25:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2023-11-21 22:25:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-21 22:25:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-21 22:25:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:25:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-21 22:25:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-21 22:25:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2023-11-21 22:25:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2023-11-21 22:25:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:25:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2023-11-21 22:25:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2023-11-21 22:25:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2023-11-21 22:25:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2023-11-21 22:25:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:25:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-21 22:25:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2023-11-21 22:25:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2023-11-21 22:25:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-21 22:25:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-21 22:25:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-21 22:25:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-21 22:25:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-21 22:25:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-21 22:25:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2023-11-21 22:25:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2023-11-21 22:25:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2023-11-21 22:25:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2023-11-21 22:25:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2023-11-21 22:25:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2023-11-21 22:25:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 22:25:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 22:25:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2023-11-21 22:25:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2023-11-21 22:25:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2023-11-21 22:25:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2023-11-21 22:25:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-21 22:25:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-21 22:25:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-21 22:25:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-21 22:25:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-21 22:25:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 22:25:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 22:25:46,444 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:46,450 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:50,325 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:25:54,138 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2023-11-21 22:25:54,138 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2023-11-21 22:25:54,194 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-21 22:25:54,194 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-21 22:25:56,586 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:25:58,730 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-21 22:25:58,730 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-21 22:25:59,777 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:26:01,033 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:26:01,034 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:26:04,898 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2023-11-21 22:26:04,898 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2023-11-21 22:26:04,898 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2023-11-21 22:26:04,898 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2023-11-21 22:26:05,132 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:26:06,187 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:26:06,187 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:26:06,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:06 BoogieIcfgContainer [2023-11-21 22:26:06,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:26:06,196 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:26:06,196 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:26:06,200 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:26:06,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:42" (1/3) ... [2023-11-21 22:26:06,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a50342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:06, skipping insertion in model container [2023-11-21 22:26:06,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:44" (2/3) ... [2023-11-21 22:26:06,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a50342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:06, skipping insertion in model container [2023-11-21 22:26:06,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:06" (3/3) ... [2023-11-21 22:26:06,203 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-21 22:26:06,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:26:06,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1063 error locations. [2023-11-21 22:26:06,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:26:06,329 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=PETRI_NET, 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;@7970440e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:26:06,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1063 error locations. [2023-11-21 22:26:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 2342 states, 1035 states have (on average 2.18743961352657) internal successors, (2264), 2066 states have internal predecessors, (2264), 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) [2023-11-21 22:26:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 22:26:06,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:26:06,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:26:06,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2023-11-21 22:26:06,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:26:06,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1006168755, now seen corresponding path program 1 times [2023-11-21 22:26:06,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:26:06,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741848148] [2023-11-21 22:26:06,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:06,383 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 [2023-11-21 22:26:06,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:26:06,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:26:06,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:26:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:07,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:26:07,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:26:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:26:07,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:26:07,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:26:07,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741848148] [2023-11-21 22:26:07,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741848148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:26:07,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:26:07,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:26:07,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849997056] [2023-11-21 22:26:07,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:26:07,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:26:07,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:26:07,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:26:07,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:26:07,412 INFO L87 Difference]: Start difference. First operand has 2342 states, 1035 states have (on average 2.18743961352657) internal successors, (2264), 2066 states have internal predecessors, (2264), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-21 22:26:13,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:26:13,854 INFO L93 Difference]: Finished difference Result 2364 states and 2735 transitions. [2023-11-21 22:26:13,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:26:13,857 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2023-11-21 22:26:13,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:26:13,890 INFO L225 Difference]: With dead ends: 2364 [2023-11-21 22:26:13,890 INFO L226 Difference]: Without dead ends: 2361 [2023-11-21 22:26:13,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:26:13,895 INFO L413 NwaCegarLoop]: 2403 mSDtfsCounter, 2790 mSDsluCounter, 2399 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2790 SdHoareTripleChecker+Valid, 4802 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:26:13,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2790 Valid, 4802 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-11-21 22:26:13,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2361 states. [2023-11-21 22:26:14,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2361 to 2338. [2023-11-21 22:26:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2338 states, 1033 states have (on average 2.18296224588577) internal successors, (2255), 2062 states have internal predecessors, (2255), 223 states have call successors, (223), 64 states have call predecessors, (223), 63 states have return successors, (221), 220 states have call predecessors, (221), 221 states have call successors, (221) [2023-11-21 22:26:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2338 states and 2699 transitions. [2023-11-21 22:26:14,104 INFO L78 Accepts]: Start accepts. Automaton has 2338 states and 2699 transitions. Word has length 6 [2023-11-21 22:26:14,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:26:14,105 INFO L495 AbstractCegarLoop]: Abstraction has 2338 states and 2699 transitions. [2023-11-21 22:26:14,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-21 22:26:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 2699 transitions. [2023-11-21 22:26:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 22:26:14,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:26:14,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:26:14,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:26:14,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:26:14,317 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)] === [2023-11-21 22:26:14,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:26:14,318 INFO L85 PathProgramCache]: Analyzing trace with hash -261683928, now seen corresponding path program 1 times [2023-11-21 22:26:14,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:26:14,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589806878] [2023-11-21 22:26:14,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:14,319 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 [2023-11-21 22:26:14,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:26:14,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:26:14,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca66b89a-3b6f-4dbe-a530-732609d73a99/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:26:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:15,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:26:15,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:26:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:26:15,080 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:26:15,080 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:26:15,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589806878] [2023-11-21 22:26:15,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589806878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:26:15,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:26:15,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:26:15,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192842122] [2023-11-21 22:26:15,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:26:15,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:26:15,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:26:15,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:26:15,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:26:15,082 INFO L87 Difference]: Start difference. First operand 2338 states and 2699 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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)