./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_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:34,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:35,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-19 07:42:35,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:35,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:35,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:35,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:35,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:35,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:35,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:35,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:35,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:35,105 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:35,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:35,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:35,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:35,108 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:42:35,108 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:42:35,109 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:42:35,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:35,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:42:35,111 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:42:35,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:35,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:35,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:35,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:35,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:35,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:35,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:35,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:35,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:42:35,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:35,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:35,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:35,117 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:35,117 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-19 07:42:35,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:35,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:35,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:35,444 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:35,445 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:35,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-19 07:42:38,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:39,312 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:39,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-19 07:42:39,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/data/131432667/54292dc9642d414583eaaaaa5d3b8e57/FLAG0b7dd5834 [2023-11-19 07:42:39,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/data/131432667/54292dc9642d414583eaaaaa5d3b8e57 [2023-11-19 07:42:39,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:39,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:39,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:39,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:39,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:39,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:39" (1/1) ... [2023-11-19 07:42:39,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9e6ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:39, skipping insertion in model container [2023-11-19 07:42:39,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:39" (1/1) ... [2023-11-19 07:42:39,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:42,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:42,460 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 07:42:42,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c5b9540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42, skipping insertion in model container [2023-11-19 07:42:42,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:42,462 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:42:42,464 INFO L158 Benchmark]: Toolchain (without parser) took 3070.05ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 75.2MB in the end (delta: 29.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2023-11-19 07:42:42,465 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:42:42,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3064.84ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 75.2MB in the end (delta: 29.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2023-11-19 07:42:42,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3064.84ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 75.2MB in the end (delta: 29.4MB). Peak memory consumption was 69.2MB. 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_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:45,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:45,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-19 07:42:45,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:45,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:45,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:45,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:45,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:45,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:45,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:45,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:45,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:45,250 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:45,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:45,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:45,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:45,253 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:42:45,254 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:42:45,254 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:42:45,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:45,256 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:42:45,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:42:45,257 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:42:45,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:42:45,258 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:45,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:45,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:45,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:45,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:45,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:45,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:45,263 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:42:45,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:42:45,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:45,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:45,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:45,265 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:42:45,265 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:45,265 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-19 07:42:45,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:45,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:45,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:45,745 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:45,746 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:45,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-19 07:42:48,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:49,608 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:49,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-19 07:42:49,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/data/57d399328/75f4e0c9ef89442daaee5f2dc0a1321b/FLAGf02c094ae [2023-11-19 07:42:49,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/data/57d399328/75f4e0c9ef89442daaee5f2dc0a1321b [2023-11-19 07:42:49,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:49,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:49,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:49,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:49,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:49,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:49,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1f5d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:49, skipping insertion in model container [2023-11-19 07:42:49,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:49" (1/1) ... [2023-11-19 07:42:49,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:52,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:52,586 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:42:52,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:52,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:52,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:53,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:53,526 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:53,526 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:53,527 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:53,527 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:53,527 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:53,527 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:53,527 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:53,528 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:53,528 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:53,528 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:53,536 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:53,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53 WrapperNode [2023-11-19 07:42:53,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:53,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:53,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:53,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:53,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:53,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:53,923 INFO L138 Inliner]: procedures = 691, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 3609 [2023-11-19 07:42:53,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:53,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:53,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:53,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:53,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:53,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:53,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:53,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:54,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:54,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:54,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:54,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:54,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:54,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:54,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:54,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:54,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (1/1) ... [2023-11-19 07:42:54,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:54,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:54,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:54,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-19 07:42:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-19 07:42:54,472 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-19 07:42:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-19 07:42:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-19 07:42:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-19 07:42:54,475 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-19 07:42:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-19 07:42:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-19 07:42:54,475 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-19 07:42:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:42:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 07:42:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:42:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 07:42:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:42:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 07:42:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-19 07:42:54,478 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-19 07:42:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-19 07:42:54,478 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-19 07:42:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-19 07:42:54,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-19 07:42:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-19 07:42:54,480 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-19 07:42:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-19 07:42:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-19 07:42:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-19 07:42:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-19 07:42:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-19 07:42:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-19 07:42:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:42:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-19 07:42:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 07:42:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:42:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-19 07:42:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-19 07:42:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-19 07:42:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-19 07:42:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-19 07:42:54,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-19 07:42:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-19 07:42:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-19 07:42:54,484 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-19 07:42:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:54,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 07:42:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 07:42:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 07:42:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 07:42:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 07:42:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 07:42:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:42:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:42:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 07:42:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:42:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-19 07:42:54,488 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-19 07:42:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-19 07:42:54,489 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-19 07:42:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-19 07:42:54,489 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-19 07:42:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-19 07:42:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-19 07:42:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-19 07:42:54,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-19 07:42:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-19 07:42:54,491 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-19 07:42:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:42:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:42:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:42:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:42:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:42:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-19 07:42:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-19 07:42:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:42:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-19 07:42:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-19 07:42:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 07:42:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 07:42:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 07:42:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:42:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:42:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-19 07:42:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-19 07:42:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-19 07:42:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-19 07:42:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-19 07:42:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-19 07:42:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-19 07:42:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-19 07:42:54,497 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-19 07:42:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-19 07:42:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-19 07:42:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-19 07:42:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-19 07:42:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-19 07:42:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-19 07:42:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 07:42:54,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-19 07:42:54,499 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-19 07:42:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-19 07:42:54,499 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-19 07:42:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-19 07:42:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-19 07:42:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-19 07:42:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 07:42:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 07:42:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 07:42:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-19 07:42:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-19 07:42:55,263 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:55,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:43:07,582 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:43:20,944 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:43:20,983 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:43:20,984 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-19 07:43:20,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:20 BoogieIcfgContainer [2023-11-19 07:43:20,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:43:21,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:43:21,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:43:21,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:43:21,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:49" (1/3) ... [2023-11-19 07:43:21,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baaeb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:21, skipping insertion in model container [2023-11-19 07:43:21,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:53" (2/3) ... [2023-11-19 07:43:21,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baaeb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:21, skipping insertion in model container [2023-11-19 07:43:21,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:20" (3/3) ... [2023-11-19 07:43:21,012 INFO L112 eAbstractionObserver]: Analyzing ICFG stty-2.i [2023-11-19 07:43:21,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:43:21,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1293 error locations. [2023-11-19 07:43:21,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:43:21,158 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=PETRI_NET, 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;@1dc61205, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:43:21,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1293 error locations. [2023-11-19 07:43:21,177 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 07:43:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 07:43:21,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:43:21,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 07:43:21,190 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 07:43:21,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:21,201 INFO L85 PathProgramCache]: Analyzing trace with hash 3140926, now seen corresponding path program 1 times [2023-11-19 07:43:21,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:43:21,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784046547] [2023-11-19 07:43:21,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:21,229 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 07:43:21,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:43:21,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/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 07:43:21,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59089d83-f2fa-4c27-9859-3622fd397b22/bin/uautomizer-verify-uCwYo4JHxu/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 07:43:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:24,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:43:24,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:43:24,189 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 07:43:24,227 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 07:43:24,227 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:43:24,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:43:24,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784046547] [2023-11-19 07:43:24,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [784046547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:24,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:24,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:43:24,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262930236] [2023-11-19 07:43:24,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:24,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:43:24,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:43:24,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:43:24,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:43:24,279 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)