./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 30e01a73 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_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/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_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 20:34:53,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:54,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-23 20:34:54,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:54,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:54,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:54,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:54,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:54,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:54,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:54,081 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:54,082 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:54,083 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:54,084 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:34:54,085 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:54,085 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:54,086 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:34:54,087 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:34:54,087 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:54,088 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:34:54,088 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:34:54,089 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:34:54,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:34:54,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:34:54,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:54,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:34:54,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:54,093 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:34:54,093 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:34:54,094 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:34:54,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:54,096 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:34:54,096 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:34:54,096 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:54,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:54,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:54,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:54,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:54,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:54,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:54,099 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:34:54,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:34:54,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:54,100 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:54,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:54,101 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_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2023-11-23 20:34:54,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:54,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:54,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:54,451 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:54,451 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:54,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-23 20:34:57,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:58,258 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:58,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-23 20:34:58,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/data/b703e41e4/e7ac172fadc148f29210f6044d1e0fc4/FLAG084946c72 [2023-11-23 20:34:58,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/data/b703e41e4/e7ac172fadc148f29210f6044d1e0fc4 [2023-11-23 20:34:58,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:58,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:58,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:58,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:58,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:58,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:58" (1/1) ... [2023-11-23 20:34:58,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a72030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:58, skipping insertion in model container [2023-11-23 20:34:58,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:58" (1/1) ... [2023-11-23 20:34:58,495 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:59,374 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:34:59,763 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:34:59,815 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:34:59,824 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:34:59,829 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:34:59,861 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:34:59,863 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:34:59,915 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,017 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,059 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,064 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,068 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,076 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,078 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,086 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,097 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,105 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,113 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,120 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,121 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,122 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,123 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,123 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,128 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,129 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,130 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-23 20:35:00,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:00,223 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) [2023-11-23 20:35:00,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6dcd3ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:00, skipping insertion in model container [2023-11-23 20:35:00,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:00,225 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 20:35:00,227 INFO L158 Benchmark]: Toolchain (without parser) took 1892.72ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 103.7MB in the beginning and 133.0MB in the end (delta: -29.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2023-11-23 20:35:00,228 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:35:00,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1887.81ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 103.7MB in the beginning and 133.0MB in the end (delta: -29.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2023-11-23 20:35:00,232 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1887.81ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 103.7MB in the beginning and 133.0MB in the end (delta: -29.3MB). Peak memory consumption was 59.7MB. 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_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/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_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 20:35:02,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:02,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-23 20:35:02,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:02,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:02,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:02,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:02,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:02,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:03,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:03,004 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:03,005 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:03,005 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:03,007 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:03,009 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:03,009 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:03,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:35:03,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:35:03,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:03,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:35:03,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:03,013 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:35:03,013 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:35:03,014 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:35:03,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:03,015 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:35:03,015 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:35:03,016 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:35:03,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:35:03,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:03,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:03,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:35:03,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:03,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:03,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:03,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:03,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:03,021 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:35:03,021 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:03,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:03,022 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:03,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:03,022 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_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2023-11-23 20:35:03,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:03,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:03,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:03,563 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:03,564 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:03,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-23 20:35:07,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:35:07,827 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:35:07,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-23 20:35:07,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/data/77e94bf93/01b945b269c04866bb5f8bbedfb592c3/FLAG9679a5be4 [2023-11-23 20:35:07,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/data/77e94bf93/01b945b269c04866bb5f8bbedfb592c3 [2023-11-23 20:35:07,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:35:07,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:35:07,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:07,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:35:07,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:35:07,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:07" (1/1) ... [2023-11-23 20:35:07,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1949b1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:07, skipping insertion in model container [2023-11-23 20:35:07,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:07" (1/1) ... [2023-11-23 20:35:08,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:35:09,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:10,032 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:35:10,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:35:10,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:10,504 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:35:10,621 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] [2023-11-23 20:35:10,623 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] [2023-11-23 20:35:10,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3668] [2023-11-23 20:35:10,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3670] [2023-11-23 20:35:10,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3672] [2023-11-23 20:35:10,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3675] [2023-11-23 20:35:10,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3742] [2023-11-23 20:35:10,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3744] [2023-11-23 20:35:10,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3746] [2023-11-23 20:35:10,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3749] [2023-11-23 20:35:10,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4027] [2023-11-23 20:35:10,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4036] [2023-11-23 20:35:10,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4039] [2023-11-23 20:35:10,746 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] [2023-11-23 20:35:10,781 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] [2023-11-23 20:35:11,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:11,125 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:35:11,125 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:35:11,133 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:35:11,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11 WrapperNode [2023-11-23 20:35:11,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:11,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:11,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:35:11,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:35:11,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,402 INFO L138 Inliner]: procedures = 251, calls = 1214, calls flagged for inlining = 129, calls inlined = 118, statements flattened = 3465 [2023-11-23 20:35:11,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:11,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:35:11,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:35:11,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:35:11,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:35:11,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:35:11,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:35:11,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:35:11,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (1/1) ... [2023-11-23 20:35:11,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:11,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:11,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:35:11,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:35:11,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 20:35:11,861 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-23 20:35:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2023-11-23 20:35:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 20:35:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:35:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:35:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 20:35:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:35:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2023-11-23 20:35:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2023-11-23 20:35:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-23 20:35:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-23 20:35:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 20:35:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 20:35:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:35:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:35:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2023-11-23 20:35:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2023-11-23 20:35:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2023-11-23 20:35:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2023-11-23 20:35:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-23 20:35:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-23 20:35:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2023-11-23 20:35:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2023-11-23 20:35:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2023-11-23 20:35:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2023-11-23 20:35:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-23 20:35:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-23 20:35:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 20:35:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 20:35:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2023-11-23 20:35:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2023-11-23 20:35:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2023-11-23 20:35:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2023-11-23 20:35:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2023-11-23 20:35:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2023-11-23 20:35:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-11-23 20:35:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-11-23 20:35:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2023-11-23 20:35:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2023-11-23 20:35:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:35:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:35:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2023-11-23 20:35:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2023-11-23 20:35:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2023-11-23 20:35:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2023-11-23 20:35:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2023-11-23 20:35:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2023-11-23 20:35:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2023-11-23 20:35:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2023-11-23 20:35:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2023-11-23 20:35:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2023-11-23 20:35:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:35:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 20:35:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2023-11-23 20:35:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2023-11-23 20:35:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2023-11-23 20:35:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2023-11-23 20:35:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:35:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-23 20:35:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 20:35:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 20:35:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-23 20:35:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-23 20:35:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:35:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:35:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:35:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 20:35:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 20:35:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:35:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:35:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:35:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 20:35:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 20:35:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:35:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-23 20:35:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-23 20:35:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-23 20:35:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 20:35:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 20:35:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2023-11-23 20:35:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2023-11-23 20:35:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2023-11-23 20:35:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2023-11-23 20:35:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 20:35:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 20:35:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2023-11-23 20:35:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2023-11-23 20:35:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2023-11-23 20:35:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2023-11-23 20:35:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2023-11-23 20:35:11,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2023-11-23 20:35:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-23 20:35:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-23 20:35:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2023-11-23 20:35:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2023-11-23 20:35:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2023-11-23 20:35:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2023-11-23 20:35:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2023-11-23 20:35:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2023-11-23 20:35:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:35:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:35:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:35:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:35:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-11-23 20:35:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-11-23 20:35:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 20:35:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 20:35:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 20:35:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 20:35:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-23 20:35:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-23 20:35:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:35:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-23 20:35:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2023-11-23 20:35:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2023-11-23 20:35:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 20:35:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 20:35:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:35:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 20:35:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 20:35:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:35:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2023-11-23 20:35:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2023-11-23 20:35:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:35:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2023-11-23 20:35:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2023-11-23 20:35:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2023-11-23 20:35:11,884 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2023-11-23 20:35:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 20:35:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-23 20:35:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2023-11-23 20:35:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2023-11-23 20:35:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-23 20:35:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-23 20:35:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 20:35:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 20:35:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-23 20:35:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-23 20:35:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2023-11-23 20:35:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2023-11-23 20:35:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2023-11-23 20:35:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2023-11-23 20:35:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2023-11-23 20:35:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2023-11-23 20:35:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 20:35:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 20:35:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2023-11-23 20:35:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2023-11-23 20:35:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2023-11-23 20:35:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2023-11-23 20:35:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 20:35:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 20:35:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-23 20:35:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-23 20:35:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-23 20:35:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:35:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:35:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 20:35:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 20:35:12,630 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:35:12,635 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:35:16,721 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 20:35:20,836 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2023-11-23 20:35:20,837 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2023-11-23 20:35:20,904 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-23 20:35:20,904 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-23 20:35:23,262 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 20:35:25,364 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-23 20:35:25,365 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-23 20:35:26,331 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 20:35:27,431 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 20:35:27,433 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 20:35:30,926 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2023-11-23 20:35:30,926 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2023-11-23 20:35:30,926 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2023-11-23 20:35:30,927 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2023-11-23 20:35:31,181 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:35:31,661 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:35:31,661 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:35:31,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:31 BoogieIcfgContainer [2023-11-23 20:35:31,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:35:31,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:35:31,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:35:31,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:35:31,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:35:07" (1/3) ... [2023-11-23 20:35:31,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a52486f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:31, skipping insertion in model container [2023-11-23 20:35:31,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:11" (2/3) ... [2023-11-23 20:35:31,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a52486f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:31, skipping insertion in model container [2023-11-23 20:35:31,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:31" (3/3) ... [2023-11-23 20:35:31,673 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-23 20:35:31,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:35:31,693 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1063 error locations. [2023-11-23 20:35:31,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:35:31,795 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;@65dd559, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:35:31,795 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1063 error locations. [2023-11-23 20:35:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 2393 states, 1086 states have (on average 2.164825046040516) internal successors, (2351), 2117 states have internal predecessors, (2351), 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) [2023-11-23 20:35:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:35:31,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:31,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:31,822 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)] === [2023-11-23 20:35:31,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash -726339294, now seen corresponding path program 1 times [2023-11-23 20:35:31,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:31,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511309329] [2023-11-23 20:35:31,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:31,849 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 [2023-11-23 20:35:31,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:31,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:35:31,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:35:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:32,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:35:32,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:35:32,691 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:32,692 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:32,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511309329] [2023-11-23 20:35:32,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511309329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:32,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:32,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:35:32,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363662289] [2023-11-23 20:35:32,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:32,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:35:32,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:32,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:35:32,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:35:32,738 INFO L87 Difference]: Start difference. First operand has 2393 states, 1086 states have (on average 2.164825046040516) internal successors, (2351), 2117 states have internal predecessors, (2351), 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) [2023-11-23 20:35:42,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:35:42,504 INFO L93 Difference]: Finished difference Result 4780 states and 5574 transitions. [2023-11-23 20:35:42,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:35:42,507 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 [2023-11-23 20:35:42,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:35:42,562 INFO L225 Difference]: With dead ends: 4780 [2023-11-23 20:35:42,562 INFO L226 Difference]: Without dead ends: 4774 [2023-11-23 20:35:42,564 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 [2023-11-23 20:35:42,568 INFO L413 NwaCegarLoop]: 4855 mSDtfsCounter, 2785 mSDsluCounter, 2501 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 7356 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:35:42,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 7356 Invalid, 825 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-11-23 20:35:42,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4774 states. [2023-11-23 20:35:42,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4774 to 2389. [2023-11-23 20:35:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2389 states, 1084 states have (on average 2.158671586715867) internal successors, (2340), 2113 states have internal predecessors, (2340), 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) [2023-11-23 20:35:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 2784 transitions. [2023-11-23 20:35:42,843 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 2784 transitions. Word has length 9 [2023-11-23 20:35:42,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:35:42,843 INFO L495 AbstractCegarLoop]: Abstraction has 2389 states and 2784 transitions. [2023-11-23 20:35:42,844 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) [2023-11-23 20:35:42,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 2784 transitions. [2023-11-23 20:35:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:35:42,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:42,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:42,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/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)] Ended with exit code 0 [2023-11-23 20:35:43,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:35:43,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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)] === [2023-11-23 20:35:43,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:43,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1470432631, now seen corresponding path program 1 times [2023-11-23 20:35:43,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:35:43,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376745569] [2023-11-23 20:35:43,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:43,063 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 [2023-11-23 20:35:43,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:35:43,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:35:43,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9376c-bcfb-403f-a644-69ac18df8cfb/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:35:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:43,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:35:43,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:35:43,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:35:43,888 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:35:43,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376745569] [2023-11-23 20:35:43,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376745569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:43,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:43,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:35:43,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727307619] [2023-11-23 20:35:43,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:43,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:35:43,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:43,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:35:43,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:35:43,893 INFO L87 Difference]: Start difference. First operand 2389 states and 2784 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)