./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_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/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_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI --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 [2023-11-24 21:59:25,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:59:25,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-24 21:59:25,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:59:25,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:59:25,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:59:25,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:59:25,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:59:25,463 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:59:25,463 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:59:25,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:59:25,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:59:25,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:59:25,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:59:25,467 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:59:25,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:59:25,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:59:25,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:59:25,476 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 21:59:25,476 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 21:59:25,477 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 21:59:25,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:59:25,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 21:59:25,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 21:59:25,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:59:25,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:59:25,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:59:25,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:59:25,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:59:25,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:59:25,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:59:25,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:59:25,484 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 21:59:25,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 21:59:25,485 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:59:25,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:59:25,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:59:25,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:59:25,486 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_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-24 21:59:25,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:59:25,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:59:25,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:59:25,861 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:59:25,861 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:59:25,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-24 21:59:28,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:59:29,540 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:59:29,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-24 21:59:29,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/data/d084c5382/bae19854de494bc7998eb21150c52240/FLAG909815a66 [2023-11-24 21:59:29,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/data/d084c5382/bae19854de494bc7998eb21150c52240 [2023-11-24 21:59:29,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:59:29,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:59:29,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:59:29,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:59:29,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:59:29,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:59:29" (1/1) ... [2023-11-24 21:59:29,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fae6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:29, skipping insertion in model container [2023-11-24 21:59:29,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:59:29" (1/1) ... [2023-11-24 21:59:29,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:59:32,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:59:32,134 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) [2023-11-24 21:59:32,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f6964f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:32, skipping insertion in model container [2023-11-24 21:59:32,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:59:32,136 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 21:59:32,138 INFO L158 Benchmark]: Toolchain (without parser) took 2535.53ms. Allocated memory is still 165.7MB. Free memory was 112.0MB in the beginning and 107.0MB in the end (delta: 5.1MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-11-24 21:59:32,139 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 21:59:32,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2531.22ms. Allocated memory is still 165.7MB. Free memory was 112.0MB in the beginning and 107.0MB in the end (delta: 5.1MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-11-24 21:59:32,142 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 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2531.22ms. Allocated memory is still 165.7MB. Free memory was 112.0MB in the beginning and 107.0MB in the end (delta: 5.1MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3077]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/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_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI --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 [2023-11-24 21:59:34,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:59:34,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-24 21:59:34,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:59:34,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:59:34,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:59:34,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:59:34,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:59:34,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:59:34,748 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:59:34,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:59:34,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:59:34,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:59:34,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:59:34,752 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:59:34,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:59:34,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:59:34,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:59:34,754 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 21:59:34,755 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 21:59:34,755 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 21:59:34,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:59:34,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 21:59:34,757 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 21:59:34,757 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 21:59:34,758 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 21:59:34,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:59:34,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:59:34,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:59:34,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:59:34,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:59:34,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:59:34,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:59:34,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:59:34,763 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-24 21:59:34,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 21:59:34,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:59:34,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:59:34,765 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:59:34,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:59:34,765 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-24 21:59:34,765 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_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-24 21:59:35,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:59:35,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:59:35,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:59:35,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:59:35,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:59:35,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-24 21:59:38,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:59:39,052 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:59:39,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-24 21:59:39,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/data/1ce7015d7/17263bea62434af4a1d1b94b0ef49e77/FLAG2caac808b [2023-11-24 21:59:39,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/data/1ce7015d7/17263bea62434af4a1d1b94b0ef49e77 [2023-11-24 21:59:39,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:59:39,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:59:39,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:59:39,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:59:39,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:59:39,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:59:39" (1/1) ... [2023-11-24 21:59:39,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae16afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:39, skipping insertion in model container [2023-11-24 21:59:39,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:59:39" (1/1) ... [2023-11-24 21:59:39,282 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:59:41,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:59:41,741 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 21:59:41,858 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:59:42,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:59:42,211 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 21:59:42,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:59:42,833 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:59:42,833 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:59:42,833 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:59:42,834 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:59:42,834 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:59:42,834 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:59:42,834 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:59:42,835 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:59:42,835 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:59:42,835 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:59:42,843 INFO L206 MainTranslator]: Completed translation [2023-11-24 21:59:42,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42 WrapperNode [2023-11-24 21:59:42,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:59:42,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 21:59:42,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 21:59:42,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 21:59:42,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,209 INFO L138 Inliner]: procedures = 691, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 3633 [2023-11-24 21:59:43,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 21:59:43,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 21:59:43,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 21:59:43,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 21:59:43,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,274 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,298 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-24 21:59:43,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 21:59:43,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 21:59:43,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 21:59:43,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 21:59:43,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:59:43,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 21:59:43,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-24 21:59:43,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-24 21:59:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-24 21:59:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-24 21:59:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-24 21:59:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-24 21:59:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-24 21:59:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-24 21:59:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-24 21:59:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-24 21:59:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-24 21:59:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-24 21:59:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 21:59:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-24 21:59:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 21:59:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 21:59:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 21:59:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 21:59:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-24 21:59:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-24 21:59:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-24 21:59:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-24 21:59:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-24 21:59:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-24 21:59:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-24 21:59:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-24 21:59:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-24 21:59:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-24 21:59:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-24 21:59:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-24 21:59:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-24 21:59:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-24 21:59:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 21:59:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-24 21:59:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 21:59:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 21:59:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 21:59:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-24 21:59:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-24 21:59:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-24 21:59:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-24 21:59:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-24 21:59:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-24 21:59:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-24 21:59:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-24 21:59:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-24 21:59:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 21:59:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 21:59:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 21:59:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 21:59:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 21:59:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-24 21:59:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-24 21:59:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-24 21:59:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 21:59:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 21:59:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 21:59:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 21:59:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-24 21:59:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-24 21:59:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-24 21:59:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-24 21:59:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-24 21:59:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-24 21:59:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-24 21:59:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-24 21:59:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-24 21:59:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-24 21:59:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-24 21:59:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-24 21:59:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 21:59:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 21:59:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 21:59:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 21:59:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 21:59:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-24 21:59:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-24 21:59:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 21:59:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-24 21:59:43,707 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-24 21:59:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-24 21:59:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 21:59:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 21:59:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 21:59:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 21:59:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-24 21:59:43,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-24 21:59:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-24 21:59:43,709 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-24 21:59:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-24 21:59:43,709 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-24 21:59:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-24 21:59:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-24 21:59:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-24 21:59:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-24 21:59:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-24 21:59:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-24 21:59:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-24 21:59:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-24 21:59:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-24 21:59:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 21:59:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-24 21:59:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-24 21:59:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-24 21:59:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-24 21:59:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-24 21:59:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-24 21:59:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-24 21:59:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-24 21:59:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-24 21:59:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-24 21:59:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-24 21:59:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-24 21:59:44,490 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 21:59:44,493 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 21:59:58,713 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 22:00:12,029 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:00:12,639 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:00:12,639 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-24 22:00:12,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:00:12 BoogieIcfgContainer [2023-11-24 22:00:12,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:00:12,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:00:12,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:00:12,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:00:12,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 09:59:39" (1/3) ... [2023-11-24 22:00:12,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763f8319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:00:12, skipping insertion in model container [2023-11-24 22:00:12,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (2/3) ... [2023-11-24 22:00:12,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763f8319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:00:12, skipping insertion in model container [2023-11-24 22:00:12,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:00:12" (3/3) ... [2023-11-24 22:00:12,651 INFO L112 eAbstractionObserver]: Analyzing ICFG stty-2.i [2023-11-24 22:00:12,670 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:00:12,671 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1293 error locations. [2023-11-24 22:00:12,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 22:00:12,758 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;@40936dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:00:12,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1293 error locations. [2023-11-24 22:00:12,774 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) [2023-11-24 22:00:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:00:12,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:00:12,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-24 22:00:12,781 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)] === [2023-11-24 22:00:12,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:00:12,787 INFO L85 PathProgramCache]: Analyzing trace with hash 165515, now seen corresponding path program 1 times [2023-11-24 22:00:12,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 22:00:12,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361351500] [2023-11-24 22:00:12,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:00:12,808 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 [2023-11-24 22:00:12,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 22:00:12,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/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) [2023-11-24 22:00:12,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97fa5f50-5e90-45cb-9b03-d94cd15383df/bin/uautomizer-verify-NlZe1sFDwI/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 [2023-11-24 22:00:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:00:15,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:00:15,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:00:15,656 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 [2023-11-24 22:00:15,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:00:15,683 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:00:15,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 22:00:15,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361351500] [2023-11-24 22:00:15,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361351500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:00:15,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:00:15,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 22:00:15,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248456358] [2023-11-24 22:00:15,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:00:15,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:00:15,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 22:00:15,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:00:15,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:00:15,744 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)