./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/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_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/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_6e2dce15-68a4-4450-927e-8056c4182018/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 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:32,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:32,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-23 21:14:32,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:32,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:32,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:32,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:32,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:32,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:32,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:32,500 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:32,502 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:32,503 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:32,504 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:32,505 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:32,506 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:32,506 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:32,507 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:32,507 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:32,508 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:32,508 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:32,509 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:32,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:14:32,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:14:32,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:32,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:32,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:32,514 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:14:32,514 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:14:32,515 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:14:32,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:32,538 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:32,538 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:14:32,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:32,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:32,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:32,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:32,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:32,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:32,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:32,541 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:32,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:32,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:32,543 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:32,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:32,544 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_6e2dce15-68a4-4450-927e-8056c4182018/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 [2023-11-23 21:14:32,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:32,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:32,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:32,965 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:32,966 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:32,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-23 21:14:36,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:36,725 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:36,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-23 21:14:36,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/data/63ecee15d/189cce155b214bcb8d4a2ff42c6e65ae/FLAG90a3f5a49 [2023-11-23 21:14:36,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/data/63ecee15d/189cce155b214bcb8d4a2ff42c6e65ae [2023-11-23 21:14:36,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:36,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:36,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:36,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:36,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:36,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbb368f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:36, skipping insertion in model container [2023-11-23 21:14:36,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:36" (1/1) ... [2023-11-23 21:14:36,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:38,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:38,529 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 21:14:38,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@370d5358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:38, skipping insertion in model container [2023-11-23 21:14:38,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:38,531 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:14:38,535 INFO L158 Benchmark]: Toolchain (without parser) took 1749.92ms. Allocated memory is still 182.5MB. Free memory was 144.1MB in the beginning and 131.8MB in the end (delta: 12.4MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:38,536 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:38,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1746.88ms. Allocated memory is still 182.5MB. Free memory was 144.1MB in the beginning and 131.8MB in the end (delta: 12.4MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:38,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1746.88ms. Allocated memory is still 182.5MB. Free memory was 144.1MB in the beginning and 131.8MB in the end (delta: 12.4MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2843]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/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_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/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_6e2dce15-68a4-4450-927e-8056c4182018/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 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:41,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:41,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-23 21:14:41,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:41,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:41,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:41,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:41,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:41,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:41,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:41,660 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:41,661 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:41,661 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:41,664 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:41,664 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:41,665 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:41,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:14:41,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:14:41,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:41,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:41,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:41,670 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:14:41,670 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:14:41,671 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:14:41,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:41,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:41,672 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:41,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:41,673 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:14:41,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:41,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:41,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:41,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:41,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:41,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:41,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:41,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:41,678 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:41,679 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:41,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:41,679 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:41,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:41,680 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_6e2dce15-68a4-4450-927e-8056c4182018/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 [2023-11-23 21:14:42,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:42,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:42,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:42,222 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:42,223 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:42,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-23 21:14:45,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:46,112 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:46,113 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-23 21:14:46,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/data/3c92e02cd/a197f75b14c6401da7e8870600bfe600/FLAGda71fa8af [2023-11-23 21:14:46,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/data/3c92e02cd/a197f75b14c6401da7e8870600bfe600 [2023-11-23 21:14:46,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:46,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:46,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:46,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:46,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:46,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:46,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bfb7954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46, skipping insertion in model container [2023-11-23 21:14:46,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:46,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:47,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:47,818 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 21:14:47,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:48,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:48,280 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:48,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2595] [2023-11-23 21:14:48,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2603] [2023-11-23 21:14:48,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:48,853 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:48,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48 WrapperNode [2023-11-23 21:14:48,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:48,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:48,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:48,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:48,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:48,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:49,235 INFO L138 Inliner]: procedures = 119, calls = 3248, calls flagged for inlining = 28, calls inlined = 27, statements flattened = 4068 [2023-11-23 21:14:49,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:49,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:49,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:49,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:49,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:49,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:49,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:49,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:49,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:49,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:49,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:49,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:49,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:49,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:49,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:49,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:49,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (1/1) ... [2023-11-23 21:14:49,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:49,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:49,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:49,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2023-11-23 21:14:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2023-11-23 21:14:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2023-11-23 21:14:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2023-11-23 21:14:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:14:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:14:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:14:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2023-11-23 21:14:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2023-11-23 21:14:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 21:14:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 21:14:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:14:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 21:14:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:14:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2023-11-23 21:14:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2023-11-23 21:14:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:14:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:14:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2023-11-23 21:14:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2023-11-23 21:14:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:14:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:14:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:14:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:14:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-11-23 21:14:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-11-23 21:14:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:14:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:14:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2023-11-23 21:14:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2023-11-23 21:14:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:14:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:14:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2023-11-23 21:14:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2023-11-23 21:14:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2023-11-23 21:14:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2023-11-23 21:14:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2023-11-23 21:14:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2023-11-23 21:14:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:14:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:14:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-23 21:14:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2023-11-23 21:14:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2023-11-23 21:14:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2023-11-23 21:14:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2023-11-23 21:14:49,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-23 21:14:49,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 21:14:49,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-23 21:14:49,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:14:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:14:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:14:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2023-11-23 21:14:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2023-11-23 21:14:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2023-11-23 21:14:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2023-11-23 21:14:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2023-11-23 21:14:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2023-11-23 21:14:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:14:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:14:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:14:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-23 21:14:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-23 21:14:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-23 21:14:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:14:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2023-11-23 21:14:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2023-11-23 21:14:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2023-11-23 21:14:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2023-11-23 21:14:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2023-11-23 21:14:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2023-11-23 21:14:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-23 21:14:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:14:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 21:14:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2023-11-23 21:14:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2023-11-23 21:14:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 21:14:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:14:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 21:14:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 21:14:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:14:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:14:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 21:14:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:14:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-11-23 21:14:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-11-23 21:14:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 21:14:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2023-11-23 21:14:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2023-11-23 21:14:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:14:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:14:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:14:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:14:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2023-11-23 21:14:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2023-11-23 21:14:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-23 21:14:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2023-11-23 21:14:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2023-11-23 21:14:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:14:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-23 21:14:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:14:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:14:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2023-11-23 21:14:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2023-11-23 21:14:50,519 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:50,525 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:56,664 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:14:57,834 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:15:12,565 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:13,219 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:13,220 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:15:13,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:13 BoogieIcfgContainer [2023-11-23 21:15:13,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:13,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:13,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:13,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:13,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:46" (1/3) ... [2023-11-23 21:15:13,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7577c493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:13, skipping insertion in model container [2023-11-23 21:15:13,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:48" (2/3) ... [2023-11-23 21:15:13,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7577c493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:13, skipping insertion in model container [2023-11-23 21:15:13,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:13" (3/3) ... [2023-11-23 21:15:13,240 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-23 21:15:13,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:13,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 795 error locations. [2023-11-23 21:15:13,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:13,378 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;@2aaba3a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:13,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 795 error locations. [2023-11-23 21:15:13,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 1879 states, 864 states have (on average 2.1840277777777777) internal successors, (1887), 1673 states have internal predecessors, (1887), 182 states have call successors, (182), 40 states have call predecessors, (182), 39 states have return successors, (179), 175 states have call predecessors, (179), 179 states have call successors, (179) [2023-11-23 21:15:13,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 21:15:13,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:13,410 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:13,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-23 21:15:13,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:13,421 INFO L85 PathProgramCache]: Analyzing trace with hash -93450912, now seen corresponding path program 1 times [2023-11-23 21:15:13,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:13,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574992658] [2023-11-23 21:15:13,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:13,450 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 21:15:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:13,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/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 21:15:13,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e2dce15-68a4-4450-927e-8056c4182018/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 21:15:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:15,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 3065 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:15:15,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:15,481 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 21:15:15,481 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:15,482 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:15,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574992658] [2023-11-23 21:15:15,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574992658] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:15,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:15,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:15,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757650347] [2023-11-23 21:15:15,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:15,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:15,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:15,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:15,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:15,538 INFO L87 Difference]: Start difference. First operand has 1879 states, 864 states have (on average 2.1840277777777777) internal successors, (1887), 1673 states have internal predecessors, (1887), 182 states have call successors, (182), 40 states have call predecessors, (182), 39 states have return successors, (179), 175 states have call predecessors, (179), 179 states have call successors, (179) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 21:15:20,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:20,335 INFO L93 Difference]: Finished difference Result 3463 states and 4114 transitions. [2023-11-23 21:15:20,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:20,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2023-11-23 21:15:20,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:20,393 INFO L225 Difference]: With dead ends: 3463 [2023-11-23 21:15:20,394 INFO L226 Difference]: Without dead ends: 3454 [2023-11-23 21:15:20,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 21:15:20,406 INFO L413 NwaCegarLoop]: 2204 mSDtfsCounter, 2179 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2179 SdHoareTripleChecker+Valid, 4000 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:20,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2179 Valid, 4000 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-23 21:15:20,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3454 states. [2023-11-23 21:15:20,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3454 to 2758. [2023-11-23 21:15:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 1585 states have (on average 2.1930599369085173) internal successors, (3476), 2396 states have internal predecessors, (3476), 310 states have call successors, (310), 73 states have call predecessors, (310), 72 states have return successors, (309), 301 states have call predecessors, (309), 309 states have call successors, (309)