./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/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_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme --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 0.2.4-dev-0e0057c [2023-11-26 11:56:29,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:30,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-26 11:56:30,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:30,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:30,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:30,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:30,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:30,144 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:56:30,149 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:56:30,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:56:30,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:56:30,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:30,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:30,154 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:30,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:30,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:30,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:30,156 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-26 11:56:30,157 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-26 11:56:30,157 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-26 11:56:30,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:56:30,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:56:30,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:56:30,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:30,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:30,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:30,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:56:30,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:56:30,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:30,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:30,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:56:30,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:56:30,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:56:30,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:56:30,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:56:30,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:56:30,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:56:30,167 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_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-26 11:56:30,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:30,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:30,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:30,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:30,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:30,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-26 11:56:33,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:34,451 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:34,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-26 11:56:34,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/data/df059922f/01cb1fd10f274b11bedcb8e784192e6b/FLAG67babcd7d [2023-11-26 11:56:34,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/data/df059922f/01cb1fd10f274b11bedcb8e784192e6b [2023-11-26 11:56:34,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:34,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:34,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:34,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:34,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:34,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:34" (1/1) ... [2023-11-26 11:56:34,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230f7cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:34, skipping insertion in model container [2023-11-26 11:56:34,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:34" (1/1) ... [2023-11-26 11:56:34,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:37,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:37,093 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) [2023-11-26 11:56:37,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d60fa25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:37, skipping insertion in model container [2023-11-26 11:56:37,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:37,094 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 11:56:37,097 INFO L158 Benchmark]: Toolchain (without parser) took 2578.89ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 105.8MB in the beginning and 103.9MB in the end (delta: 1.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-11-26 11:56:37,098 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 153.1MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:56:37,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2575.22ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 105.3MB in the beginning and 103.9MB in the end (delta: 1.4MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-11-26 11:56:37,101 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 153.1MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2575.22ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 105.3MB in the beginning and 103.9MB in the end (delta: 1.4MB). Peak memory consumption was 55.3MB. 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_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/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_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme --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 0.2.4-dev-0e0057c [2023-11-26 11:56:39,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:39,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-26 11:56:39,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:39,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:39,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:39,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:39,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:39,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:56:39,932 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:56:39,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:56:39,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:56:39,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:39,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:39,936 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:39,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:39,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:39,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:39,938 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-26 11:56:39,940 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-26 11:56:39,940 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-26 11:56:39,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:56:39,942 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:56:39,942 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:56:39,943 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:56:39,943 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:56:39,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:39,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:39,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:39,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:56:39,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:56:39,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:39,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:39,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:56:39,949 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:56:39,949 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:56:39,950 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:56:39,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:56:39,951 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:56:39,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:56:39,952 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:56:39,952 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_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-26 11:56:40,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:40,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:40,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:40,460 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:40,461 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:40,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-26 11:56:43,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:44,430 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:44,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-26 11:56:44,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/data/a4b16fb08/f35f67b8db0743caac7f60f5710f170e/FLAG28a5dd1c0 [2023-11-26 11:56:44,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/data/a4b16fb08/f35f67b8db0743caac7f60f5710f170e [2023-11-26 11:56:44,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:44,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:44,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:44,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:44,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:44,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:44" (1/1) ... [2023-11-26 11:56:44,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7984d926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:44, skipping insertion in model container [2023-11-26 11:56:44,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:44" (1/1) ... [2023-11-26 11:56:44,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:47,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:47,230 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-26 11:56:47,329 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:47,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:47,679 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:47,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:48,337 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:48,337 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:48,337 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:48,337 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:48,337 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:48,338 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:48,338 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:48,338 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:48,338 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:48,338 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:48,346 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:48,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48 WrapperNode [2023-11-26 11:56:48,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:48,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:48,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:48,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:48,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:48,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:48,795 INFO L138 Inliner]: procedures = 691, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 3633 [2023-11-26 11:56:48,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:48,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:48,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:48,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:48,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:48,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:48,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:48,895 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-26 11:56:48,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:48,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:49,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:49,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:49,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:49,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:49,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:49,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:49,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:49,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:49,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (1/1) ... [2023-11-26 11:56:49,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:49,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-26 11:56:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-26 11:56:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-26 11:56:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-26 11:56:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-26 11:56:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-26 11:56:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-26 11:56:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-26 11:56:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-26 11:56:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-26 11:56:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-26 11:56:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-26 11:56:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:56:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-26 11:56:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-26 11:56:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-26 11:56:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-26 11:56:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-26 11:56:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-26 11:56:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-26 11:56:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-26 11:56:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-26 11:56:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-26 11:56:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-26 11:56:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-26 11:56:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-26 11:56:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-26 11:56:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-26 11:56:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-26 11:56:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-26 11:56:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:56:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-26 11:56:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-26 11:56:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:56:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-26 11:56:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-26 11:56:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-26 11:56:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-26 11:56:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-26 11:56:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-26 11:56:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-26 11:56:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-26 11:56:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-26 11:56:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-26 11:56:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-26 11:56:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-26 11:56:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-26 11:56:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-26 11:56:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-26 11:56:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-26 11:56:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-26 11:56:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-26 11:56:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-26 11:56:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-26 11:56:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-26 11:56:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-26 11:56:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-26 11:56:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-26 11:56:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-26 11:56:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-26 11:56:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-26 11:56:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-26 11:56:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-26 11:56:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-26 11:56:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-26 11:56:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-26 11:56:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-26 11:56:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-26 11:56:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:56:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:56:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:56:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-26 11:56:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-26 11:56:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-26 11:56:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-26 11:56:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-26 11:56:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-26 11:56:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-26 11:56:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-26 11:56:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-26 11:56:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-26 11:56:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-26 11:56:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-26 11:56:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-26 11:56:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-26 11:56:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-26 11:56:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-26 11:56:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-26 11:56:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-26 11:56:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-26 11:56:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-26 11:56:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-26 11:56:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-26 11:56:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-26 11:56:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-26 11:56:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-26 11:56:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-26 11:56:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-26 11:56:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-26 11:56:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-26 11:56:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-26 11:56:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-26 11:56:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-26 11:56:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-26 11:56:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-26 11:56:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-26 11:56:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-26 11:56:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-26 11:56:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-26 11:56:50,001 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:50,005 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:57:04,878 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 11:57:18,351 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:57:19,013 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:57:19,014 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-26 11:57:19,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:19 BoogieIcfgContainer [2023-11-26 11:57:19,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:57:19,018 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:57:19,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:57:19,022 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:57:19,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:56:44" (1/3) ... [2023-11-26 11:57:19,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ac42b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:19, skipping insertion in model container [2023-11-26 11:57:19,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:48" (2/3) ... [2023-11-26 11:57:19,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ac42b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:19, skipping insertion in model container [2023-11-26 11:57:19,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:19" (3/3) ... [2023-11-26 11:57:19,027 INFO L112 eAbstractionObserver]: Analyzing ICFG stty-2.i [2023-11-26 11:57:19,050 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:57:19,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1293 error locations. [2023-11-26 11:57:19,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:57:19,166 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;@5b93b84c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:57:19,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1293 error locations. [2023-11-26 11:57:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 2688 states, 1214 states have (on average 2.3196046128500822) internal successors, (2816), 2546 states have internal predecessors, (2816), 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) [2023-11-26 11:57:19,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-26 11:57:19,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:19,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-26 11:57:19,190 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)] === [2023-11-26 11:57:19,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:19,199 INFO L85 PathProgramCache]: Analyzing trace with hash 165515, now seen corresponding path program 1 times [2023-11-26 11:57:19,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:57:19,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102482955] [2023-11-26 11:57:19,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:19,222 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 [2023-11-26 11:57:19,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:57:19,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:57:19,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_600a7218-8bcb-41ee-83fc-d05e093733ca/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:57:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:21,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:57:21,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:22,047 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 [2023-11-26 11:57:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:22,070 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:22,071 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:57:22,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102482955] [2023-11-26 11:57:22,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102482955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:22,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:22,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:57:22,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883716395] [2023-11-26 11:57:22,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:22,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:22,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:57:22,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:22,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:22,116 INFO L87 Difference]: Start difference. First operand has 2688 states, 1214 states have (on average 2.3196046128500822) internal successors, (2816), 2546 states have internal predecessors, (2816), 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 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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)