./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/touch-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_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/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_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/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_daed8df6-6208-475e-891d-07611d18df2f/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 3b999e0c8863a6185ab353b93e4a13998fea5fc296976dddb4afe11519346af5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:42:30,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:42:30,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-24 21:42:30,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:42:30,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:42:30,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:42:30,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:42:30,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:42:30,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:42:30,178 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:42:30,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:42:30,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:42:30,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:42:30,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:42:30,182 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:42:30,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:42:30,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:42:30,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:42:30,185 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 21:42:30,185 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 21:42:30,186 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 21:42:30,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:42:30,187 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 21:42:30,188 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 21:42:30,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:42:30,189 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:42:30,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:42:30,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:42:30,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:42:30,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:42:30,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:42:30,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:42:30,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 21:42:30,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 21:42:30,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:42:30,195 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:42:30,195 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:42:30,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:42:30,196 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_daed8df6-6208-475e-891d-07611d18df2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b999e0c8863a6185ab353b93e4a13998fea5fc296976dddb4afe11519346af5 [2023-11-24 21:42:30,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:42:30,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:42:30,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:42:30,574 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:42:30,575 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:42:30,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/busybox-1.22.0/touch-2.i [2023-11-24 21:42:33,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:42:34,362 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:42:34,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/sv-benchmarks/c/busybox-1.22.0/touch-2.i [2023-11-24 21:42:34,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/data/b3889bf81/f33e6349c7714d5e84f615cbc9eaa849/FLAG716a406d5 [2023-11-24 21:42:34,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/data/b3889bf81/f33e6349c7714d5e84f615cbc9eaa849 [2023-11-24 21:42:34,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:42:34,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:42:34,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:42:34,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:42:34,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:42:34,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:42:34" (1/1) ... [2023-11-24 21:42:34,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e213ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:34, skipping insertion in model container [2023-11-24 21:42:34,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:42:34" (1/1) ... [2023-11-24 21:42:34,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:42:36,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:42:36,785 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 21:42:36,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45bb2ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:36, skipping insertion in model container [2023-11-24 21:42:36,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:42:36,787 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 21:42:36,789 INFO L158 Benchmark]: Toolchain (without parser) took 2353.61ms. Allocated memory is still 165.7MB. Free memory was 127.5MB in the beginning and 126.7MB in the end (delta: 878.5kB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2023-11-24 21:42:36,789 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 21:42:36,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2350.86ms. Allocated memory is still 165.7MB. Free memory was 127.5MB in the beginning and 126.7MB in the end (delta: 878.5kB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2023-11-24 21:42:36,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2350.86ms. Allocated memory is still 165.7MB. Free memory was 127.5MB in the beginning and 126.7MB in the end (delta: 878.5kB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2550]: 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_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/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_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/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_daed8df6-6208-475e-891d-07611d18df2f/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 3b999e0c8863a6185ab353b93e4a13998fea5fc296976dddb4afe11519346af5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:42:39,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:42:39,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-24 21:42:39,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:42:39,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:42:39,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:42:39,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:42:39,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:42:39,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:42:39,548 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:42:39,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:42:39,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:42:39,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:42:39,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:42:39,552 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:42:39,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:42:39,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:42:39,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:42:39,553 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 21:42:39,554 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 21:42:39,554 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 21:42:39,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:42:39,555 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 21:42:39,556 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 21:42:39,556 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 21:42:39,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 21:42:39,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:42:39,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:42:39,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:42:39,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:42:39,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:42:39,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:42:39,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:42:39,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:42:39,561 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-24 21:42:39,561 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 21:42:39,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:42:39,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:42:39,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:42:39,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:42:39,563 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-24 21:42:39,564 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_daed8df6-6208-475e-891d-07611d18df2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b999e0c8863a6185ab353b93e4a13998fea5fc296976dddb4afe11519346af5 [2023-11-24 21:42:40,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:42:40,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:42:40,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:42:40,039 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:42:40,040 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:42:40,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/busybox-1.22.0/touch-2.i [2023-11-24 21:42:43,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:42:43,900 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:42:43,901 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/sv-benchmarks/c/busybox-1.22.0/touch-2.i [2023-11-24 21:42:43,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/data/7d6de45fe/f5f2fcb4bcb440fc84593a00da76b04a/FLAG1baf9bf69 [2023-11-24 21:42:43,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/data/7d6de45fe/f5f2fcb4bcb440fc84593a00da76b04a [2023-11-24 21:42:43,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:42:43,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:42:43,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:42:43,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:42:43,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:42:43,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:42:43" (1/1) ... [2023-11-24 21:42:43,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a643b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:43, skipping insertion in model container [2023-11-24 21:42:43,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:42:43" (1/1) ... [2023-11-24 21:42:44,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:42:46,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:42:46,172 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 21:42:46,218 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:42:46,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:42:46,503 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 21:42:46,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:42:47,111 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:42:47,111 WARN L675 CHandler]: The function localtime is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:42:47,111 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:42:47,111 WARN L675 CHandler]: The function mktime is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:42:47,112 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:42:47,112 WARN L675 CHandler]: The function strtoll is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:42:47,112 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:42:47,112 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:42:47,112 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 21:42:47,121 INFO L206 MainTranslator]: Completed translation [2023-11-24 21:42:47,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47 WrapperNode [2023-11-24 21:42:47,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:42:47,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 21:42:47,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 21:42:47,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 21:42:47,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,380 INFO L138 Inliner]: procedures = 683, calls = 747, calls flagged for inlining = 38, calls inlined = 37, statements flattened = 2411 [2023-11-24 21:42:47,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 21:42:47,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 21:42:47,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 21:42:47,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 21:42:47,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,434 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,455 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-24 21:42:47,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 21:42:47,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 21:42:47,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 21:42:47,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 21:42:47,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (1/1) ... [2023-11-24 21:42:47,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:42:47,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 21:42:47,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-24 21:42:47,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-24 21:42:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-24 21:42:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2023-11-24 21:42:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-24 21:42:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 21:42:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 21:42:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 21:42:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2023-11-24 21:42:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2023-11-24 21:42:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-24 21:42:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-24 21:42:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-11-24 21:42:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2023-11-24 21:42:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 21:42:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 21:42:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 21:42:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 21:42:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-24 21:42:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-24 21:42:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-24 21:42:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2023-11-24 21:42:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure utimes [2023-11-24 21:42:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-24 21:42:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 21:42:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 21:42:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 21:42:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-24 21:42:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-24 21:42:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-24 21:42:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-24 21:42:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-24 21:42:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 21:42:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 21:42:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 21:42:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-24 21:42:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-24 21:42:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2023-11-24 21:42:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure stat [2023-11-24 21:42:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 21:42:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 21:42:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 21:42:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 21:42:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 21:42:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 21:42:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-24 21:42:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 21:42:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 21:42:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 21:42:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 21:42:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2023-11-24 21:42:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2023-11-24 21:42:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2023-11-24 21:42:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2023-11-24 21:42:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-24 21:42:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-24 21:42:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 21:42:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-24 21:42:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-24 21:42:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-24 21:42:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-24 21:42:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-24 21:42:48,468 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 21:42:48,472 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 21:42:49,799 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 21:43:09,619 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 21:43:10,019 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 21:43:10,019 INFO L309 CfgBuilder]: Removed 27 assume(true) statements. [2023-11-24 21:43:10,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:43:10 BoogieIcfgContainer [2023-11-24 21:43:10,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 21:43:10,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 21:43:10,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 21:43:10,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 21:43:10,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 09:42:43" (1/3) ... [2023-11-24 21:43:10,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494acda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:43:10, skipping insertion in model container [2023-11-24 21:43:10,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:42:47" (2/3) ... [2023-11-24 21:43:10,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494acda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:43:10, skipping insertion in model container [2023-11-24 21:43:10,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:43:10" (3/3) ... [2023-11-24 21:43:10,032 INFO L112 eAbstractionObserver]: Analyzing ICFG touch-2.i [2023-11-24 21:43:10,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 21:43:10,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 913 error locations. [2023-11-24 21:43:10,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 21:43:10,168 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;@54f47250, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 21:43:10,168 INFO L358 AbstractCegarLoop]: Starting to check reachability of 913 error locations. [2023-11-24 21:43:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 1830 states, 850 states have (on average 2.3517647058823528) internal successors, (1999), 1762 states have internal predecessors, (1999), 57 states have call successors, (57), 12 states have call predecessors, (57), 12 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-24 21:43:10,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 21:43:10,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:43:10,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-24 21:43:10,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [utimesErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, utimesErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, utimesErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 910 more)] === [2023-11-24 21:43:10,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:43:10,200 INFO L85 PathProgramCache]: Analyzing trace with hash 108320, now seen corresponding path program 1 times [2023-11-24 21:43:10,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:43:10,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906813555] [2023-11-24 21:43:10,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:43:10,218 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 21:43:10,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:43:10,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/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 21:43:10,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/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 21:43:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:43:10,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 21:43:10,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:43:10,811 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 21:43:10,835 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 21:43:10,836 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:43:10,837 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:43:10,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906813555] [2023-11-24 21:43:10,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906813555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:43:10,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:43:10,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 21:43:10,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252674693] [2023-11-24 21:43:10,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:43:10,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:43:10,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:43:10,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:43:10,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:43:10,882 INFO L87 Difference]: Start difference. First operand has 1830 states, 850 states have (on average 2.3517647058823528) internal successors, (1999), 1762 states have internal predecessors, (1999), 57 states have call successors, (57), 12 states have call predecessors, (57), 12 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) 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) [2023-11-24 21:43:22,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:43:22,095 INFO L93 Difference]: Finished difference Result 1963 states and 2232 transitions. [2023-11-24 21:43:22,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:43:22,097 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 2 [2023-11-24 21:43:22,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:43:22,133 INFO L225 Difference]: With dead ends: 1963 [2023-11-24 21:43:22,133 INFO L226 Difference]: Without dead ends: 1962 [2023-11-24 21:43:22,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:43:22,140 INFO L413 NwaCegarLoop]: 1672 mSDtfsCounter, 383 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-24 21:43:22,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 2643 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2023-11-24 21:43:22,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2023-11-24 21:43:22,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1807. [2023-11-24 21:43:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1807 states, 837 states have (on average 2.3189964157706093) internal successors, (1941), 1749 states have internal predecessors, (1941), 57 states have call successors, (57), 12 states have call predecessors, (57), 10 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-24 21:43:22,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2045 transitions. [2023-11-24 21:43:22,313 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2045 transitions. Word has length 2 [2023-11-24 21:43:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:43:22,314 INFO L495 AbstractCegarLoop]: Abstraction has 1807 states and 2045 transitions. [2023-11-24 21:43:22,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2023-11-24 21:43:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2045 transitions. [2023-11-24 21:43:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 21:43:22,315 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:43:22,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-24 21:43:22,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/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)] Ended with exit code 0 [2023-11-24 21:43:22,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/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 [2023-11-24 21:43:22,524 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [utimesErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, utimesErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, utimesErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 910 more)] === [2023-11-24 21:43:22,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:43:22,525 INFO L85 PathProgramCache]: Analyzing trace with hash 108321, now seen corresponding path program 1 times [2023-11-24 21:43:22,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:43:22,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283338370] [2023-11-24 21:43:22,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:43:22,528 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 21:43:22,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:43:22,531 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/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 21:43:22,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daed8df6-6208-475e-891d-07611d18df2f/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 (3)] Waiting until timeout for monitored process [2023-11-24 21:43:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:43:23,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 21:43:23,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:43:23,036 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 5 [2023-11-24 21:43:23,063 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 21:43:23,064 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:43:23,064 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:43:23,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283338370] [2023-11-24 21:43:23,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283338370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:43:23,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:43:23,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 21:43:23,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148722052] [2023-11-24 21:43:23,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:43:23,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:43:23,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:43:23,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:43:23,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:43:23,067 INFO L87 Difference]: Start difference. First operand 1807 states and 2045 transitions. 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)