./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/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_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/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_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/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_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/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 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:46:38,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:46:38,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-19 04:46:38,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:46:38,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:46:38,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:46:38,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:46:38,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:46:38,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:46:38,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:46:38,629 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:46:38,630 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:46:38,630 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:46:38,631 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:46:38,631 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:46:38,632 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:46:38,633 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:46:38,633 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:46:38,634 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:46:38,634 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:46:38,635 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:46:38,636 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:46:38,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:46:38,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:46:38,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:46:38,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:46:38,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:46:38,640 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:46:38,640 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:46:38,641 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:46:38,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:46:38,642 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:46:38,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:46:38,643 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:46:38,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:46:38,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:46:38,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:38,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:46:38,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:46:38,647 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:46:38,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:46:38,648 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:46:38,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:46:38,649 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_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-19 04:46:38,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:46:39,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:46:39,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:46:39,038 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:46:39,038 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:46:39,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-19 04:46:42,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:46:42,998 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:46:42,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-19 04:46:43,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/data/ae4c4d96d/949cbc1204244342ab387c4bd29a1475/FLAGe5d50e1ce [2023-11-19 04:46:43,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/data/ae4c4d96d/949cbc1204244342ab387c4bd29a1475 [2023-11-19 04:46:43,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:46:43,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:46:43,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:43,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:46:43,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:46:43,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:43" (1/1) ... [2023-11-19 04:46:43,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366357f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:43, skipping insertion in model container [2023-11-19 04:46:43,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:43" (1/1) ... [2023-11-19 04:46:43,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:46:45,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:45,561 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 04:46:45,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1aa3bcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:45, skipping insertion in model container [2023-11-19 04:46:45,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:45,562 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:46:45,565 INFO L158 Benchmark]: Toolchain (without parser) took 2469.84ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 101.6MB in the end (delta: 4.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2023-11-19 04:46:45,566 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:46:45,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2466.63ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 101.6MB in the end (delta: 4.2MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2023-11-19 04:46:45,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2466.63ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 101.6MB in the end (delta: 4.2MB). Peak memory consumption was 62.1MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/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_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/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_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/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_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/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 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:46:48,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:46:48,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-19 04:46:48,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:46:48,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:46:48,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:46:48,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:46:48,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:46:48,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:46:48,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:46:48,198 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:46:48,198 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:46:48,199 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:46:48,200 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:46:48,201 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:46:48,201 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:46:48,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:46:48,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:46:48,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:46:48,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:46:48,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:46:48,206 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:46:48,206 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:46:48,207 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:46:48,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:46:48,208 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:46:48,208 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:46:48,208 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:46:48,209 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:46:48,210 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:46:48,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:46:48,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:46:48,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:46:48,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:48,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:46:48,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:46:48,214 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:46:48,214 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:46:48,214 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:46:48,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:46:48,215 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_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-19 04:46:48,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:46:48,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:46:48,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:46:48,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:46:48,642 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:46:48,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-19 04:46:51,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:46:52,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:46:52,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-19 04:46:52,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/data/5802f84af/a170978dfc904eb0803dfad4cceeffdd/FLAG673004682 [2023-11-19 04:46:52,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/data/5802f84af/a170978dfc904eb0803dfad4cceeffdd [2023-11-19 04:46:52,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:46:52,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:46:52,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:52,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:46:52,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:46:52,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:52" (1/1) ... [2023-11-19 04:46:52,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f89c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:52, skipping insertion in model container [2023-11-19 04:46:52,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:52" (1/1) ... [2023-11-19 04:46:52,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:46:54,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:55,008 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:46:55,070 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:46:55,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:55,457 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:46:55,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:56,065 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:56,066 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:56,066 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:56,066 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:56,066 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:56,066 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:56,066 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:56,067 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:56,067 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:56,067 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:56,075 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:46:56,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56 WrapperNode [2023-11-19 04:46:56,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:56,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:56,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:46:56,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:46:56,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,519 INFO L138 Inliner]: procedures = 691, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 3609 [2023-11-19 04:46:56,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:56,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:46:56,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:46:56,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:46:56,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:46:56,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:46:56,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:46:56,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:46:56,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (1/1) ... [2023-11-19 04:46:56,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:56,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:57,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:46:57,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:46:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-19 04:46:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-19 04:46:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-19 04:46:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-19 04:46:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-19 04:46:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-19 04:46:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-19 04:46:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-19 04:46:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-19 04:46:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-19 04:46:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:46:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 04:46:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:46:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:46:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:46:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:46:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-19 04:46:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-19 04:46:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-19 04:46:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-19 04:46:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-19 04:46:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-19 04:46:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-19 04:46:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-19 04:46:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-19 04:46:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-19 04:46:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-19 04:46:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-19 04:46:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-19 04:46:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-19 04:46:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:46:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-19 04:46:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 04:46:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:46:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:46:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-19 04:46:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-19 04:46:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-19 04:46:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-19 04:46:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-19 04:46:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-19 04:46:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-19 04:46:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-19 04:46:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-19 04:46:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:46:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:46:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 04:46:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 04:46:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:46:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 04:46:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 04:46:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 04:46:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:46:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:46:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:46:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:46:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-19 04:46:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-19 04:46:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-19 04:46:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-19 04:46:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-19 04:46:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-19 04:46:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-19 04:46:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-19 04:46:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-19 04:46:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-19 04:46:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-19 04:46:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-19 04:46:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:46:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:46:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:46:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:46:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:46:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-19 04:46:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-19 04:46:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:46:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-19 04:46:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-19 04:46:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 04:46:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:46:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:46:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:46:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:46:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-19 04:46:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-19 04:46:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-19 04:46:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-19 04:46:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-19 04:46:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-19 04:46:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-19 04:46:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-19 04:46:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-19 04:46:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-19 04:46:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-19 04:46:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-19 04:46:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-19 04:46:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-19 04:46:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-19 04:46:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 04:46:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-19 04:46:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-19 04:46:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-19 04:46:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-19 04:46:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-19 04:46:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-19 04:46:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-19 04:46:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 04:46:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 04:46:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 04:46:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-19 04:46:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-19 04:46:57,776 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:46:57,780 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:10,137 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 04:47:23,536 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:23,572 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:23,572 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-19 04:47:23,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:23 BoogieIcfgContainer [2023-11-19 04:47:23,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:23,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:23,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:23,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:23,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:46:52" (1/3) ... [2023-11-19 04:47:23,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfece41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:23, skipping insertion in model container [2023-11-19 04:47:23,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56" (2/3) ... [2023-11-19 04:47:23,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfece41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:23, skipping insertion in model container [2023-11-19 04:47:23,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:23" (3/3) ... [2023-11-19 04:47:23,606 INFO L112 eAbstractionObserver]: Analyzing ICFG stty-2.i [2023-11-19 04:47:23,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:23,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1293 error locations. [2023-11-19 04:47:23,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:23,742 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;@6f353777, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:23,743 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1293 error locations. [2023-11-19 04:47:23,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 3088 states, 1614 states have (on average 1.9925650557620818) internal successors, (3216), 2947 states have internal predecessors, (3216), 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) [2023-11-19 04:47:23,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:47:23,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:23,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 04:47:23,774 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)] === [2023-11-19 04:47:23,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:23,785 INFO L85 PathProgramCache]: Analyzing trace with hash 3140926, now seen corresponding path program 1 times [2023-11-19 04:47:23,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:23,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906402021] [2023-11-19 04:47:23,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:23,813 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 04:47:23,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:23,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/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 04:47:23,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6de46cd-789e-46ff-8cb3-f5d4552e9a45/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 04:47:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:26,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:47:26,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:27,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-19 04:47:27,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:47:27,119 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:27,120 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:27,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906402021] [2023-11-19 04:47:27,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906402021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:27,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:27,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:47:27,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928860881] [2023-11-19 04:47:27,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:27,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:27,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:27,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:27,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:27,185 INFO L87 Difference]: Start difference. First operand has 3088 states, 1614 states have (on average 1.9925650557620818) internal successors, (3216), 2947 states have internal predecessors, (3216), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)