./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:59:05,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:05,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-19 04:59:05,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:05,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:05,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:05,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:05,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:05,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:05,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:05,882 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:05,883 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:05,884 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:05,885 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:59:05,886 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:05,886 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:05,886 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:59:05,888 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:59:05,888 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:05,889 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:59:05,889 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:59:05,890 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:59:05,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:59:05,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:59:05,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:05,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:59:05,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:05,893 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:59:05,906 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:59:05,906 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:59:05,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:05,910 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:59:05,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:59:05,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:05,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:05,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:05,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:05,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:05,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:05,912 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:59:05,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:59:05,913 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:05,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:05,913 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_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 [2023-11-19 04:59:06,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:06,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:06,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:06,285 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:06,286 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:06,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-19 04:59:09,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:09,962 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:09,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-19 04:59:10,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/data/27a307e31/9dde851ef4b942d5a27bdeb3ecd93a2c/FLAGa5108d8ec [2023-11-19 04:59:10,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/data/27a307e31/9dde851ef4b942d5a27bdeb3ecd93a2c [2023-11-19 04:59:10,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:10,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:10,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:10,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:10,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:10,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:10" (1/1) ... [2023-11-19 04:59:10,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e49d362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:10, skipping insertion in model container [2023-11-19 04:59:10,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:10" (1/1) ... [2023-11-19 04:59:10,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:11,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:11,789 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) [2023-11-19 04:59:11,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@417d336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:11, skipping insertion in model container [2023-11-19 04:59:11,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:11,791 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:59:11,795 INFO L158 Benchmark]: Toolchain (without parser) took 1749.09ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 120.5MB in the beginning and 174.4MB in the end (delta: -53.9MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2023-11-19 04:59:11,796 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 161.5MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:11,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1743.81ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 120.5MB in the beginning and 174.4MB in the end (delta: -53.9MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2023-11-19 04:59:11,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 161.5MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1743.81ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 120.5MB in the beginning and 174.4MB in the end (delta: -53.9MB). Peak memory consumption was 87.9MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:59:14,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:14,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-19 04:59:14,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:14,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:14,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:14,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:14,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:14,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:14,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:14,699 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:14,700 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:14,701 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:14,702 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:14,702 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:14,703 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:14,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:59:14,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:59:14,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:14,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:59:14,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:14,708 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:59:14,709 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:59:14,710 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:59:14,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:14,711 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:59:14,712 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:59:14,713 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:59:14,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:59:14,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:14,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:14,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:59:14,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:14,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:14,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:14,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:14,718 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:59:14,719 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:59:14,719 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:14,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:14,720 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_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 [2023-11-19 04:59:15,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:15,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:15,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:15,211 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:15,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:15,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-19 04:59:19,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:20,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:20,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-19 04:59:20,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/data/316e04be2/6a6bdde73e894d63ab6f6ce358a22aae/FLAG6e0876505 [2023-11-19 04:59:20,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/data/316e04be2/6a6bdde73e894d63ab6f6ce358a22aae [2023-11-19 04:59:20,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:20,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:20,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:20,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:20,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:20,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1882337e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20, skipping insertion in model container [2023-11-19 04:59:20,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,353 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:21,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:21,897 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:59:21,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:22,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:22,423 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:22,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2595] [2023-11-19 04:59:22,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2603] [2023-11-19 04:59:22,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:22,986 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:22,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22 WrapperNode [2023-11-19 04:59:22,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:22,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:22,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:22,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:22,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:23,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:23,383 INFO L138 Inliner]: procedures = 119, calls = 3248, calls flagged for inlining = 28, calls inlined = 27, statements flattened = 4068 [2023-11-19 04:59:23,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:23,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:23,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:23,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:23,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:23,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:23,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:23,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:23,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:23,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:23,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:24,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:24,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:24,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:24,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:24,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:24,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (1/1) ... [2023-11-19 04:59:24,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:24,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:24,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:24,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2023-11-19 04:59:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2023-11-19 04:59:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2023-11-19 04:59:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2023-11-19 04:59:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:59:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 04:59:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 04:59:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2023-11-19 04:59:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2023-11-19 04:59:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 04:59:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:59:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:59:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:59:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:59:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2023-11-19 04:59:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2023-11-19 04:59:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:59:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:59:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2023-11-19 04:59:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2023-11-19 04:59:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:59:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:59:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:59:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:59:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-11-19 04:59:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-11-19 04:59:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 04:59:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 04:59:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2023-11-19 04:59:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2023-11-19 04:59:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:59:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:59:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2023-11-19 04:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2023-11-19 04:59:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2023-11-19 04:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2023-11-19 04:59:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2023-11-19 04:59:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2023-11-19 04:59:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:59:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-19 04:59:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2023-11-19 04:59:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2023-11-19 04:59:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2023-11-19 04:59:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2023-11-19 04:59:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-19 04:59:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 04:59:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-19 04:59:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:59:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:59:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:59:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:59:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:59:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2023-11-19 04:59:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2023-11-19 04:59:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2023-11-19 04:59:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2023-11-19 04:59:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2023-11-19 04:59:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2023-11-19 04:59:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:59:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:59:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:59:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:59:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-19 04:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-19 04:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-19 04:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:59:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2023-11-19 04:59:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2023-11-19 04:59:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2023-11-19 04:59:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2023-11-19 04:59:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2023-11-19 04:59:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2023-11-19 04:59:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 04:59:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:59:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:59:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2023-11-19 04:59:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2023-11-19 04:59:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:59:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:59:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:59:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 04:59:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 04:59:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:59:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:59:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:59:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:59:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-11-19 04:59:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-11-19 04:59:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:59:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2023-11-19 04:59:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2023-11-19 04:59:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 04:59:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 04:59:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 04:59:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 04:59:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2023-11-19 04:59:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2023-11-19 04:59:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-19 04:59:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2023-11-19 04:59:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2023-11-19 04:59:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 04:59:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 04:59:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:59:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:59:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2023-11-19 04:59:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2023-11-19 04:59:24,895 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:24,899 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:31,505 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:59:32,834 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 04:59:46,902 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:46,940 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:46,940 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:59:46,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:46 BoogieIcfgContainer [2023-11-19 04:59:46,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:46,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:46,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:46,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:46,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:20" (1/3) ... [2023-11-19 04:59:46,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17af93e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:46, skipping insertion in model container [2023-11-19 04:59:46,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:22" (2/3) ... [2023-11-19 04:59:46,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17af93e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:46, skipping insertion in model container [2023-11-19 04:59:46,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:46" (3/3) ... [2023-11-19 04:59:46,978 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-19 04:59:47,002 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:47,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 795 error locations. [2023-11-19 04:59:47,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:47,118 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;@2aa3ff9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:47,118 INFO L358 AbstractCegarLoop]: Starting to check reachability of 795 error locations. [2023-11-19 04:59:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 2027 states, 1012 states have (on average 2.010869565217391) internal successors, (2035), 1821 states have internal predecessors, (2035), 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) [2023-11-19 04:59:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:59:47,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:47,150 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, 1, 1] [2023-11-19 04:59:47,151 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)] === [2023-11-19 04:59:47,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:47,160 INFO L85 PathProgramCache]: Analyzing trace with hash -921709571, now seen corresponding path program 1 times [2023-11-19 04:59:47,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:47,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216577083] [2023-11-19 04:59:47,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:47,191 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 [2023-11-19 04:59:47,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:59:47,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:59:47,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:59:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:49,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 3066 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:59:49,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:49,166 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:59:49,166 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:49,167 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:59:49,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216577083] [2023-11-19 04:59:49,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216577083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:49,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:49,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:59:49,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393863187] [2023-11-19 04:59:49,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:49,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:59:49,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:59:49,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:59:49,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:49,220 INFO L87 Difference]: Start difference. First operand has 2027 states, 1012 states have (on average 2.010869565217391) internal successors, (2035), 1821 states have internal predecessors, (2035), 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 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-19 04:59:50,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:50,057 INFO L93 Difference]: Finished difference Result 3734 states and 4385 transitions. [2023-11-19 04:59:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:59:50,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 35 [2023-11-19 04:59:50,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:50,113 INFO L225 Difference]: With dead ends: 3734 [2023-11-19 04:59:50,114 INFO L226 Difference]: Without dead ends: 3724 [2023-11-19 04:59:50,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:50,127 INFO L413 NwaCegarLoop]: 2520 mSDtfsCounter, 2320 mSDsluCounter, 2048 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:50,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 4568 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 04:59:50,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2023-11-19 04:59:50,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3028. [2023-11-19 04:59:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3028 states, 1855 states have (on average 2.019407008086253) internal successors, (3746), 2666 states have internal predecessors, (3746), 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) [2023-11-19 04:59:50,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 4365 transitions. [2023-11-19 04:59:50,405 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 4365 transitions. Word has length 35 [2023-11-19 04:59:50,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:50,406 INFO L495 AbstractCegarLoop]: Abstraction has 3028 states and 4365 transitions. [2023-11-19 04:59:50,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-19 04:59:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 4365 transitions. [2023-11-19 04:59:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:59:50,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:50,410 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, 1, 1, 1] [2023-11-19 04:59:50,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:59:50,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:59:50,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-19 04:59:50,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:50,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1036153603, now seen corresponding path program 1 times [2023-11-19 04:59:50,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:50,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211789972] [2023-11-19 04:59:50,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:50,635 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 [2023-11-19 04:59:50,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:59:50,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:59:50,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:59:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:52,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 3076 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:59:52,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:59:52,431 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:52,431 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:59:52,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211789972] [2023-11-19 04:59:52,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211789972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:52,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:52,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:59:52,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177345462] [2023-11-19 04:59:52,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:52,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:59:52,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:59:52,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:59:52,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:52,435 INFO L87 Difference]: Start difference. First operand 3028 states and 4365 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 04:59:53,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:53,158 INFO L93 Difference]: Finished difference Result 3407 states and 4826 transitions. [2023-11-19 04:59:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:59:53,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2023-11-19 04:59:53,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:53,184 INFO L225 Difference]: With dead ends: 3407 [2023-11-19 04:59:53,185 INFO L226 Difference]: Without dead ends: 3407 [2023-11-19 04:59:53,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:53,186 INFO L413 NwaCegarLoop]: 2455 mSDtfsCounter, 452 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 4717 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:53,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 4717 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 04:59:53,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2023-11-19 04:59:53,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 3270. [2023-11-19 04:59:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3270 states, 2041 states have (on average 1.9965703086722195) internal successors, (4075), 2857 states have internal predecessors, (4075), 355 states have call successors, (355), 84 states have call predecessors, (355), 83 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2023-11-19 04:59:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 3270 states and 4784 transitions. [2023-11-19 04:59:53,374 INFO L78 Accepts]: Start accepts. Automaton has 3270 states and 4784 transitions. Word has length 36 [2023-11-19 04:59:53,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:53,374 INFO L495 AbstractCegarLoop]: Abstraction has 3270 states and 4784 transitions. [2023-11-19 04:59:53,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 04:59:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 4784 transitions. [2023-11-19 04:59:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:59:53,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:53,385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:53,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:53,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:59:53,609 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr142ASSERT_VIOLATIONMEMORY_LEAK === [opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-19 04:59:53,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:53,609 INFO L85 PathProgramCache]: Analyzing trace with hash 2133557286, now seen corresponding path program 1 times [2023-11-19 04:59:53,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:53,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885529013] [2023-11-19 04:59:53,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:53,613 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 [2023-11-19 04:59:53,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:59:53,637 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:59:53,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42b1a16c-1c33-4e9f-a633-b8cdfc5928fe/bin/utaipan-verify-t7M7D8N6sZ/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 (4)] Waiting until timeout for monitored process