./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:47,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:47,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-23 20:31:47,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:47,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:47,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:47,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:47,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:47,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:47,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:47,588 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:47,588 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:47,589 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:47,590 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:47,590 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:47,591 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:47,591 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:47,592 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:47,592 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:47,593 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:47,594 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:47,594 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:47,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:31:47,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:31:47,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:47,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:47,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:47,598 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:31:47,599 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:31:47,599 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:31:47,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:47,600 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:31:47,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:31:47,601 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:47,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:47,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:47,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:47,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:47,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:47,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:47,603 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:47,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:47,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:47,604 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:47,605 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:47,605 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_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-23 20:31:47,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:47,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:47,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:47,979 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:47,980 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:47,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-23 20:31:51,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:51,915 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:51,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-23 20:31:51,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/data/73d046a4c/392088f85f6141b0950b232b1f5106cd/FLAGe82a5ec07 [2023-11-23 20:31:51,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/data/73d046a4c/392088f85f6141b0950b232b1f5106cd [2023-11-23 20:31:51,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:51,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:51,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:51,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:51,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:51,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:51" (1/1) ... [2023-11-23 20:31:51,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d999e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:51, skipping insertion in model container [2023-11-23 20:31:51,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:51" (1/1) ... [2023-11-23 20:31:52,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:54,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:54,906 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-23 20:31:54,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f07ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:54, skipping insertion in model container [2023-11-23 20:31:54,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:54,908 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 20:31:54,910 INFO L158 Benchmark]: Toolchain (without parser) took 2941.64ms. Allocated memory is still 157.3MB. Free memory was 113.5MB in the beginning and 109.9MB in the end (delta: 3.6MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2023-11-23 20:31:54,911 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 109.1MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:54,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2938.62ms. Allocated memory is still 157.3MB. Free memory was 113.0MB in the beginning and 109.9MB in the end (delta: 3.2MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2023-11-23 20:31:54,914 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 109.1MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2938.62ms. Allocated memory is still 157.3MB. Free memory was 113.0MB in the beginning and 109.9MB in the end (delta: 3.2MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3077]: 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_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:57,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:57,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-23 20:31:57,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:57,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:57,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:57,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:57,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:57,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:57,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:57,881 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:57,882 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:57,883 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:57,884 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:57,884 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:57,885 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:57,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:31:57,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:31:57,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:57,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:57,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:57,891 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:31:57,891 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:31:57,892 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:31:57,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:57,893 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:31:57,894 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:31:57,895 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:31:57,895 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:31:57,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:57,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:57,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:31:57,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:57,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:57,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:57,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:57,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:57,902 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:31:57,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:31:57,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:57,904 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:57,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:57,905 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_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-23 20:31:58,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:58,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:58,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:58,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:58,462 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:58,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-23 20:32:01,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:02,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:02,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-23 20:32:02,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/data/cf1f31570/51442dfb155d4bbfb33957491378a93d/FLAG9dc6f4525 [2023-11-23 20:32:02,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/data/cf1f31570/51442dfb155d4bbfb33957491378a93d [2023-11-23 20:32:02,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:02,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:02,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:02,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:02,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:02,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:02" (1/1) ... [2023-11-23 20:32:02,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f637dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:02, skipping insertion in model container [2023-11-23 20:32:02,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:02" (1/1) ... [2023-11-23 20:32:02,835 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:05,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:05,567 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:32:05,616 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:05,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:05,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:06,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:06,551 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:06,551 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:06,552 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:06,552 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:06,552 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:06,552 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:06,552 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:06,553 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:06,553 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:06,553 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:32:06,562 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:06,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06 WrapperNode [2023-11-23 20:32:06,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:06,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:06,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:06,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:06,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:06,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:06,976 INFO L138 Inliner]: procedures = 691, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 3609 [2023-11-23 20:32:06,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:06,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:06,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:06,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:06,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:06,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:07,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:07,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:07,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:07,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:07,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:07,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:07,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:07,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:07,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:07,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:07,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (1/1) ... [2023-11-23 20:32:07,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:07,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:07,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:07,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-23 20:32:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-23 20:32:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-23 20:32:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-23 20:32:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-23 20:32:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-23 20:32:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-23 20:32:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-23 20:32:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-23 20:32:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-23 20:32:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:32:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-23 20:32:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:32:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 20:32:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:32:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:32:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-23 20:32:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-23 20:32:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-23 20:32:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-23 20:32:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-23 20:32:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-23 20:32:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-23 20:32:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-23 20:32:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-23 20:32:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-23 20:32:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-23 20:32:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-23 20:32:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-23 20:32:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-23 20:32:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:32:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-23 20:32:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-23 20:32:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:32:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-23 20:32:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-23 20:32:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-23 20:32:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-23 20:32:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-23 20:32:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-23 20:32:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-23 20:32:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-23 20:32:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-23 20:32:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:32:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:32:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 20:32:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:32:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:32:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 20:32:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:32:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:32:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 20:32:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:32:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-23 20:32:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-23 20:32:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-23 20:32:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-23 20:32:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-23 20:32:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-23 20:32:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-23 20:32:07,513 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-23 20:32:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-23 20:32:07,513 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-23 20:32:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-23 20:32:07,513 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-23 20:32:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:32:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:32:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:32:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-23 20:32:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-23 20:32:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:32:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-23 20:32:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-23 20:32:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-23 20:32:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 20:32:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 20:32:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:32:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:32:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-23 20:32:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-23 20:32:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-23 20:32:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-23 20:32:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-23 20:32:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-23 20:32:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-23 20:32:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-23 20:32:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-23 20:32:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-23 20:32:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-23 20:32:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-23 20:32:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-23 20:32:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-23 20:32:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-23 20:32:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:32:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-23 20:32:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-23 20:32:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-23 20:32:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-23 20:32:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-23 20:32:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-23 20:32:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-23 20:32:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-23 20:32:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-23 20:32:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-23 20:32:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-23 20:32:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-23 20:32:08,377 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:08,382 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:21,165 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 20:32:34,621 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:35,377 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:35,378 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-23 20:32:35,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:35 BoogieIcfgContainer [2023-11-23 20:32:35,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:35,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:35,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:35,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:35,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:02" (1/3) ... [2023-11-23 20:32:35,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cad89ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:35, skipping insertion in model container [2023-11-23 20:32:35,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:06" (2/3) ... [2023-11-23 20:32:35,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cad89ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:35, skipping insertion in model container [2023-11-23 20:32:35,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:35" (3/3) ... [2023-11-23 20:32:35,392 INFO L112 eAbstractionObserver]: Analyzing ICFG stty-2.i [2023-11-23 20:32:35,417 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:35,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1293 error locations. [2023-11-23 20:32:35,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:35,542 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;@56f1d850, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:35,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1293 error locations. [2023-11-23 20:32:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 2685 states, 1211 states have (on average 2.3228736581337737) internal successors, (2813), 2544 states have internal predecessors, (2813), 147 states have call successors, (147), 36 states have call predecessors, (147), 36 states have return successors, (147), 143 states have call predecessors, (147), 147 states have call successors, (147) [2023-11-23 20:32:35,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:32:35,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:35,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-23 20:32:35,568 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 1290 more)] === [2023-11-23 20:32:35,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:35,579 INFO L85 PathProgramCache]: Analyzing trace with hash 165422, now seen corresponding path program 1 times [2023-11-23 20:32:35,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:35,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812142357] [2023-11-23 20:32:35,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:35,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:32:35,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:35,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:32:35,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a70a1c5-4455-4a71-88b8-006b064a0d80/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process