./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 527bcce2 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_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/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_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:21,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:21,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-21 22:05:21,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:21,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:21,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:21,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:21,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:21,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:21,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:21,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:21,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:21,579 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:21,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:21,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:05:21,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:21,582 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 22:05:21,583 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 22:05:21,584 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 22:05:21,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:21,586 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:05:21,587 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:05:21,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:21,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:21,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:21,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:21,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:21,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:21,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:21,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:21,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:05:21,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:05:21,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:21,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:21,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:21,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:21,596 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_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-21 22:05:21,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:21,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:21,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:21,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:21,904 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:21,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-21 22:05:25,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:26,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:26,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-21 22:05:26,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/data/40c7c7721/2d477cedb8104aacaa549ff0bdacab58/FLAG2248b95ff [2023-11-21 22:05:26,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/data/40c7c7721/2d477cedb8104aacaa549ff0bdacab58 [2023-11-21 22:05:26,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:26,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:26,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:26,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:26,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:26,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:26,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@657200f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:26, skipping insertion in model container [2023-11-21 22:05:26,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:26" (1/1) ... [2023-11-21 22:05:26,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:29,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:29,351 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) [2023-11-21 22:05:29,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18acb020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29, skipping insertion in model container [2023-11-21 22:05:29,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:29,353 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 22:05:29,355 INFO L158 Benchmark]: Toolchain (without parser) took 3194.60ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 124.9MB in the beginning and 121.4MB in the end (delta: 3.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2023-11-21 22:05:29,356 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:05:29,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3191.50ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 124.2MB in the beginning and 121.4MB in the end (delta: 2.7MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2023-11-21 22:05:29,358 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3191.50ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 124.2MB in the beginning and 121.4MB in the end (delta: 2.7MB). Peak memory consumption was 72.5MB. 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_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/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_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:31,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:32,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-21 22:05:32,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:32,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:32,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:32,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:32,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:32,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:32,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:32,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:32,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:32,052 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:32,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:32,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:05:32,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:32,055 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 22:05:32,055 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 22:05:32,056 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 22:05:32,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:32,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:05:32,058 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:05:32,058 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:05:32,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:05:32,060 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:32,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:32,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:32,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:32,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:32,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:32,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:32,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:32,064 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:05:32,065 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:05:32,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:32,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:32,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:32,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:32,067 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:05:32,068 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_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407efb5d110f0d8a5006d45a10a4353022c10a59bc24e54b714ee2eb1689c810 [2023-11-21 22:05:32,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:32,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:32,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:32,523 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:32,524 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:32,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-21 22:05:35,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:36,472 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:36,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2023-11-21 22:05:36,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/data/0c69e050c/3ede7054db814e359ef4ffc8b6dbf300/FLAGad1dc3c3b [2023-11-21 22:05:36,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/data/0c69e050c/3ede7054db814e359ef4ffc8b6dbf300 [2023-11-21 22:05:36,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:36,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:36,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:36,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:36,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:36,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:36" (1/1) ... [2023-11-21 22:05:36,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85e3ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:36, skipping insertion in model container [2023-11-21 22:05:36,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:36" (1/1) ... [2023-11-21 22:05:36,726 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:39,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:39,123 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 22:05:39,184 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:39,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:39,450 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:39,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:39,982 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:39,982 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:39,982 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:39,983 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:39,983 WARN L675 CHandler]: The function output_func is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:39,983 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:39,983 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:39,983 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:39,983 WARN L675 CHandler]: The function vsnprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:39,984 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:05:39,992 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:39,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39 WrapperNode [2023-11-21 22:05:39,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:39,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:39,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:39,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:40,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,372 INFO L138 Inliner]: procedures = 691, calls = 2288, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 3609 [2023-11-21 22:05:40,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:40,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:40,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:40,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:40,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:40,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:40,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:40,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:40,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (1/1) ... [2023-11-21 22:05:40,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:40,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:40,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:40,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-21 22:05:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2023-11-21 22:05:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2023-11-21 22:05:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2023-11-21 22:05:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2023-11-21 22:05:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2023-11-21 22:05:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2023-11-21 22:05:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-21 22:05:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2023-11-21 22:05:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2023-11-21 22:05:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:05:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-21 22:05:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:05:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-21 22:05:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 22:05:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 22:05:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2023-11-21 22:05:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2023-11-21 22:05:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2023-11-21 22:05:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2023-11-21 22:05:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-21 22:05:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-21 22:05:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2023-11-21 22:05:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2023-11-21 22:05:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2023-11-21 22:05:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2023-11-21 22:05:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2023-11-21 22:05:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2023-11-21 22:05:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2023-11-21 22:05:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2023-11-21 22:05:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:05:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-21 22:05:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 22:05:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:05:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-21 22:05:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-21 22:05:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-21 22:05:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-11-21 22:05:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2023-11-21 22:05:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2023-11-21 22:05:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-21 22:05:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2023-11-21 22:05:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2023-11-21 22:05:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 22:05:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 22:05:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-21 22:05:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 22:05:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 22:05:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-21 22:05:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 22:05:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:05:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-21 22:05:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:05:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2023-11-21 22:05:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2023-11-21 22:05:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2023-11-21 22:05:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2023-11-21 22:05:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-21 22:05:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-21 22:05:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2023-11-21 22:05:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2023-11-21 22:05:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2023-11-21 22:05:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2023-11-21 22:05:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2023-11-21 22:05:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2023-11-21 22:05:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:05:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:05:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:05:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:05:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:05:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2023-11-21 22:05:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2023-11-21 22:05:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:05:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2023-11-21 22:05:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2023-11-21 22:05:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-21 22:05:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-21 22:05:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-21 22:05:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 22:05:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:05:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-21 22:05:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-21 22:05:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2023-11-21 22:05:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2023-11-21 22:05:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2023-11-21 22:05:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2023-11-21 22:05:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2023-11-21 22:05:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2023-11-21 22:05:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-21 22:05:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-21 22:05:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2023-11-21 22:05:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2023-11-21 22:05:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-21 22:05:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-21 22:05:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-21 22:05:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 22:05:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-21 22:05:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2023-11-21 22:05:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2023-11-21 22:05:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2023-11-21 22:05:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2023-11-21 22:05:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2023-11-21 22:05:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2023-11-21 22:05:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-21 22:05:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 22:05:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 22:05:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2023-11-21 22:05:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2023-11-21 22:05:41,612 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:41,616 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:53,895 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:06:06,350 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:06:07,452 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:06:07,453 INFO L308 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-21 22:06:07,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:07 BoogieIcfgContainer [2023-11-21 22:06:07,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:06:07,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:06:07,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:06:07,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:06:07,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:36" (1/3) ... [2023-11-21 22:06:07,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c524708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:07, skipping insertion in model container [2023-11-21 22:06:07,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:39" (2/3) ... [2023-11-21 22:06:07,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c524708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:07, skipping insertion in model container [2023-11-21 22:06:07,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:07" (3/3) ... [2023-11-21 22:06:07,468 INFO L112 eAbstractionObserver]: Analyzing ICFG stty-2.i [2023-11-21 22:06:07,490 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:06:07,490 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1293 error locations. [2023-11-21 22:06:07,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:06:07,609 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;@3708999d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:06:07,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1293 error locations. [2023-11-21 22:06:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 2645 states, 1171 states have (on average 2.3373185311699403) internal successors, (2737), 2504 states have internal predecessors, (2737), 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) [2023-11-21 22:06:07,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 22:06:07,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:07,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-21 22:06:07,634 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)] === [2023-11-21 22:06:07,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:07,641 INFO L85 PathProgramCache]: Analyzing trace with hash 165422, now seen corresponding path program 1 times [2023-11-21 22:06:07,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:06:07,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307205380] [2023-11-21 22:06:07,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:07,666 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 [2023-11-21 22:06:07,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:06:07,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:06:07,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c15cafc-dd2d-4fed-8cc2-63b1f9bd4af8/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:06:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:10,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:06:10,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:10,347 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 [2023-11-21 22:06:10,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:10,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:06:10,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:06:10,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307205380] [2023-11-21 22:06:10,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307205380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:10,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:10,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:06:10,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131947721] [2023-11-21 22:06:10,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:10,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:10,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:06:10,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:10,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:10,423 INFO L87 Difference]: Start difference. First operand has 2645 states, 1171 states have (on average 2.3373185311699403) internal successors, (2737), 2504 states have internal predecessors, (2737), 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)