./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:07:51,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:07:51,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-25 00:07:51,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:07:51,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:07:51,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:07:51,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:07:51,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:07:51,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:07:51,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:07:51,504 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:07:51,505 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:07:51,506 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:07:51,506 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:07:51,507 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:07:51,507 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:07:51,508 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:07:51,509 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:07:51,509 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:07:51,510 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:07:51,511 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:07:51,511 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:07:51,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-25 00:07:51,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-25 00:07:51,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:07:51,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:07:51,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:07:51,515 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-25 00:07:51,515 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-25 00:07:51,516 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-25 00:07:51,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:07:51,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:07:51,517 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:07:51,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:07:51,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:07:51,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:07:51,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:07:51,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:51,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:07:51,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:07:51,521 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:07:51,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:07:51,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:07:51,523 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:07:51,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:07:51,523 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_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2023-11-25 00:07:51,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:07:51,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:07:51,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:07:51,795 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:07:51,796 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:07:51,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2023-11-25 00:07:54,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:07:55,500 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:07:55,501 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2023-11-25 00:07:55,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/data/aa72bbf28/837d8f2bd3eb4d0d8b36f86b94239024/FLAG44ce46e45 [2023-11-25 00:07:55,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/data/aa72bbf28/837d8f2bd3eb4d0d8b36f86b94239024 [2023-11-25 00:07:55,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:07:55,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:07:55,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:55,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:07:55,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:07:55,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:55" (1/1) ... [2023-11-25 00:07:55,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c10d4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:55, skipping insertion in model container [2023-11-25 00:07:55,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:55" (1/1) ... [2023-11-25 00:07:55,719 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:07:56,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:56,933 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) [2023-11-25 00:07:56,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@582e405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:56, skipping insertion in model container [2023-11-25 00:07:56,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:56,935 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:07:56,936 INFO L158 Benchmark]: Toolchain (without parser) took 1349.24ms. Allocated memory is still 151.0MB. Free memory was 98.1MB in the beginning and 98.4MB in the end (delta: -352.7kB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-25 00:07:56,937 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:07:56,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1346.36ms. Allocated memory is still 151.0MB. Free memory was 97.8MB in the beginning and 98.4MB in the end (delta: -630.7kB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-25 00:07:56,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1346.36ms. Allocated memory is still 151.0MB. Free memory was 97.8MB in the beginning and 98.4MB in the end (delta: -630.7kB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4186]: 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_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:07:59,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:07:59,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-25 00:07:59,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:07:59,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:07:59,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:07:59,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:07:59,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:07:59,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:07:59,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:07:59,748 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:07:59,749 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:07:59,749 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:07:59,751 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:07:59,751 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:07:59,752 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:07:59,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-25 00:07:59,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-25 00:07:59,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:07:59,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:07:59,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:07:59,756 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-25 00:07:59,756 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-25 00:07:59,757 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-25 00:07:59,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:07:59,757 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:07:59,758 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:07:59,758 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:07:59,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:07:59,759 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:07:59,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:07:59,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:07:59,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:07:59,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:07:59,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:59,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:07:59,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:07:59,763 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:07:59,764 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:07:59,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:07:59,764 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:07:59,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:07:59,765 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_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2023-11-25 00:08:00,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:00,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:00,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:00,251 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:00,252 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:00,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2023-11-25 00:08:03,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:04,140 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:04,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2023-11-25 00:08:04,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/data/3223804d6/7490a35c4c7047eeb5fee31bb0d1f228/FLAG8c89d6a72 [2023-11-25 00:08:04,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/data/3223804d6/7490a35c4c7047eeb5fee31bb0d1f228 [2023-11-25 00:08:04,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:04,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:04,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:04,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:04,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:04,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:04,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa4988b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:04, skipping insertion in model container [2023-11-25 00:08:04,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:04" (1/1) ... [2023-11-25 00:08:04,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:05,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:05,395 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-25 00:08:05,426 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:05,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:05,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:05,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:06,045 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:06,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06 WrapperNode [2023-11-25 00:08:06,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:06,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:06,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:06,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:06,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,227 INFO L138 Inliner]: procedures = 122, calls = 424, calls flagged for inlining = 51, calls inlined = 47, statements flattened = 1194 [2023-11-25 00:08:06,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:06,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:06,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:06,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:06,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:06,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:06,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:06,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:06,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (1/1) ... [2023-11-25 00:08:06,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:06,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:06,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:06,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure raw_open [2023-11-25 00:08:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_open [2023-11-25 00:08:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-25 00:08:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-25 00:08:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-25 00:08:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-25 00:08:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-25 00:08:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:08:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:08:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:08:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:08:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_read_iter [2023-11-25 00:08:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_read_iter [2023-11-25 00:08:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:08:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:08:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-25 00:08:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-25 00:08:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure bind_get [2023-11-25 00:08:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_get [2023-11-25 00:08:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-25 00:08:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-25 00:08:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-25 00:08:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-25 00:08:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-25 00:08:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-25 00:08:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:08:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:08:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure bind_set [2023-11-25 00:08:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_set [2023-11-25 00:08:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2023-11-25 00:08:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2023-11-25 00:08:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-25 00:08:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-25 00:08:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:08:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:08:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:08:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-25 00:08:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-25 00:08:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-25 00:08:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-25 00:08:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:08:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:08:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:08:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:08:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:08:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-25 00:08:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-25 00:08:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-25 00:08:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:08:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-25 00:08:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:08:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_fsync [2023-11-25 00:08:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_fsync [2023-11-25 00:08:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:08:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:08:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:08:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-25 00:08:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-25 00:08:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-25 00:08:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-25 00:08:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-25 00:08:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-25 00:08:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-11-25 00:08:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-11-25 00:08:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-25 00:08:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-25 00:08:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_write_iter [2023-11-25 00:08:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_write_iter [2023-11-25 00:08:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2023-11-25 00:08:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2023-11-25 00:08:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-25 00:08:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-25 00:08:06,885 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:06,888 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:07,889 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:08:10,621 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:10,851 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:10,852 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:08:10,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:10 BoogieIcfgContainer [2023-11-25 00:08:10,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:10,855 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:10,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:10,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:10,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:04" (1/3) ... [2023-11-25 00:08:10,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1305d11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:10, skipping insertion in model container [2023-11-25 00:08:10,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:06" (2/3) ... [2023-11-25 00:08:10,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1305d11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:10, skipping insertion in model container [2023-11-25 00:08:10,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:10" (3/3) ... [2023-11-25 00:08:10,865 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2023-11-25 00:08:10,885 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:10,885 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 146 error locations. [2023-11-25 00:08:10,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:08:10,974 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;@6e6d26cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:08:10,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 146 error locations. [2023-11-25 00:08:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 549 states, 289 states have (on average 1.820069204152249) internal successors, (526), 443 states have internal predecessors, (526), 85 states have call successors, (85), 29 states have call predecessors, (85), 28 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-25 00:08:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-25 00:08:10,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:11,000 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:11,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_memsetErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [raw_openErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2023-11-25 00:08:11,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:11,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1524901803, now seen corresponding path program 1 times [2023-11-25 00:08:11,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:11,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284668292] [2023-11-25 00:08:11,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:11,028 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 [2023-11-25 00:08:11,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:11,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:11,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:08:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:11,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:08:11,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-25 00:08:11,755 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:11,756 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:11,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284668292] [2023-11-25 00:08:11,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [284668292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:11,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:11,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:08:11,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737965251] [2023-11-25 00:08:11,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:11,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:08:11,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:11,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:08:11,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:08:11,798 INFO L87 Difference]: Start difference. First operand has 549 states, 289 states have (on average 1.820069204152249) internal successors, (526), 443 states have internal predecessors, (526), 85 states have call successors, (85), 29 states have call predecessors, (85), 28 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-25 00:08:13,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:08:14,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:14,651 INFO L93 Difference]: Finished difference Result 547 states and 686 transitions. [2023-11-25 00:08:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:08:14,655 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2023-11-25 00:08:14,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:14,672 INFO L225 Difference]: With dead ends: 547 [2023-11-25 00:08:14,673 INFO L226 Difference]: Without dead ends: 541 [2023-11-25 00:08:14,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:08:14,677 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:14,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 611 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2023-11-25 00:08:14,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2023-11-25 00:08:14,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 541. [2023-11-25 00:08:14,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 287 states have (on average 1.7979094076655053) internal successors, (516), 435 states have internal predecessors, (516), 81 states have call successors, (81), 28 states have call predecessors, (81), 27 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2023-11-25 00:08:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 676 transitions. [2023-11-25 00:08:14,766 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 676 transitions. Word has length 60 [2023-11-25 00:08:14,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:14,767 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 676 transitions. [2023-11-25 00:08:14,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-25 00:08:14,767 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 676 transitions. [2023-11-25 00:08:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-25 00:08:14,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:14,770 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:14,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:14,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:14,976 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_memsetErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [raw_openErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2023-11-25 00:08:14,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:14,976 INFO L85 PathProgramCache]: Analyzing trace with hash -969532749, now seen corresponding path program 1 times [2023-11-25 00:08:14,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:14,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891892500] [2023-11-25 00:08:14,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:14,978 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 [2023-11-25 00:08:14,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:14,980 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:14,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a57d54-fbd3-427b-82fa-0ce7a668ccf8/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-25 00:08:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:16,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-25 00:08:16,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:17,645 INFO L349 Elim1Store]: treesize reduction 390, result has 8.5 percent of original size [2023-11-25 00:08:17,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 19 case distinctions, treesize of input 491 treesize of output 500 [2023-11-25 00:08:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:18,747 INFO L349 Elim1Store]: treesize reduction 560, result has 6.0 percent of original size [2023-11-25 00:08:18,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 1157 treesize of output 1155 [2023-11-25 00:08:19,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:19,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:19,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:20,112 INFO L349 Elim1Store]: treesize reduction 745, result has 4.6 percent of original size [2023-11-25 00:08:20,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 1187 treesize of output 1178 [2023-11-25 00:08:20,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:21,263 INFO L349 Elim1Store]: treesize reduction 560, result has 6.0 percent of original size [2023-11-25 00:08:21,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 1160 treesize of output 1158 [2023-11-25 00:08:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:22,448 INFO L349 Elim1Store]: treesize reduction 560, result has 6.0 percent of original size [2023-11-25 00:08:22,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 521 treesize of output 523 [2023-11-25 00:08:23,416 INFO L349 Elim1Store]: treesize reduction 390, result has 8.5 percent of original size [2023-11-25 00:08:23,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 19 case distinctions, treesize of input 484 treesize of output 493 [2023-11-25 00:08:24,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:24,538 INFO L349 Elim1Store]: treesize reduction 705, result has 4.9 percent of original size [2023-11-25 00:08:24,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 1165 treesize of output 1158 [2023-11-25 00:08:24,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:25,243 INFO L349 Elim1Store]: treesize reduction 560, result has 6.0 percent of original size [2023-11-25 00:08:25,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 1160 treesize of output 1158 [2023-11-25 00:08:26,219 INFO L349 Elim1Store]: treesize reduction 390, result has 8.5 percent of original size [2023-11-25 00:08:26,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 19 case distinctions, treesize of input 484 treesize of output 493 [2023-11-25 00:08:26,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:27,200 INFO L349 Elim1Store]: treesize reduction 560, result has 6.0 percent of original size [2023-11-25 00:08:27,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 517 treesize of output 519 [2023-11-25 00:08:28,270 INFO L349 Elim1Store]: treesize reduction 520, result has 6.5 percent of original size [2023-11-25 00:08:28,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 19 case distinctions, treesize of input 1132 treesize of output 1132 [2023-11-25 00:08:28,843 INFO L349 Elim1Store]: treesize reduction 390, result has 8.5 percent of original size [2023-11-25 00:08:28,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 19 case distinctions, treesize of input 1127 treesize of output 1132 [2023-11-25 00:08:29,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:29,932 INFO L349 Elim1Store]: treesize reduction 560, result has 6.0 percent of original size [2023-11-25 00:08:29,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 514 treesize of output 516 [2023-11-25 00:08:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:31,122 INFO L349 Elim1Store]: treesize reduction 705, result has 4.9 percent of original size [2023-11-25 00:08:31,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 519 treesize of output 516 [2023-11-25 00:08:31,750 INFO L349 Elim1Store]: treesize reduction 390, result has 8.5 percent of original size [2023-11-25 00:08:31,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 19 case distinctions, treesize of input 491 treesize of output 500 [2023-11-25 00:08:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:32,745 INFO L349 Elim1Store]: treesize reduction 560, result has 6.0 percent of original size [2023-11-25 00:08:32,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 514 treesize of output 516 [2023-11-25 00:08:33,601 INFO L349 Elim1Store]: treesize reduction 390, result has 8.5 percent of original size [2023-11-25 00:08:33,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 19 case distinctions, treesize of input 484 treesize of output 493 [2023-11-25 00:08:34,640 INFO L349 Elim1Store]: treesize reduction 520, result has 6.5 percent of original size [2023-11-25 00:08:34,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 19 case distinctions, treesize of input 489 treesize of output 493 [2023-11-25 00:08:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:35,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:35,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:35,536 INFO L349 Elim1Store]: treesize reduction 745, result has 4.6 percent of original size [2023-11-25 00:08:35,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 1187 treesize of output 1178 [2023-11-25 00:08:36,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:36,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:36,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:36,902 INFO L349 Elim1Store]: treesize reduction 905, result has 3.8 percent of original size [2023-11-25 00:08:36,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 1192 treesize of output 1178 [2023-11-25 00:08:37,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:37,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:37,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:37,799 INFO L349 Elim1Store]: treesize reduction 745, result has 4.6 percent of original size [2023-11-25 00:08:37,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 544 treesize of output 539 [2023-11-25 00:08:38,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:38,848 INFO L349 Elim1Store]: treesize reduction 560, result has 6.0 percent of original size [2023-11-25 00:08:38,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 521 treesize of output 523 [2023-11-25 00:08:39,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:40,002 INFO L349 Elim1Store]: treesize reduction 705, result has 4.9 percent of original size [2023-11-25 00:08:40,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 526 treesize of output 523 [2023-11-25 00:08:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:40,737 INFO L349 Elim1Store]: treesize reduction 560, result has 6.0 percent of original size [2023-11-25 00:08:40,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 514 treesize of output 516 [2023-11-25 00:08:41,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:41,733 INFO L349 Elim1Store]: treesize reduction 560, result has 6.0 percent of original size [2023-11-25 00:08:41,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 521 treesize of output 523 [2023-11-25 00:08:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:42,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:42,841 INFO L349 Elim1Store]: treesize reduction 745, result has 4.6 percent of original size [2023-11-25 00:08:42,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 551 treesize of output 546