./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:37:35,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:37:35,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:37:35,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:37:35,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:37:35,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:37:35,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:37:35,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:37:35,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:37:35,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:37:35,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:37:35,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:37:35,780 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:37:35,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:37:35,783 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:37:35,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:37:35,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:37:35,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:37:35,785 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:37:35,785 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:37:35,786 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:37:35,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:37:35,787 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:37:35,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:37:35,788 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:37:35,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:37:35,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:37:35,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:37:35,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:37:35,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:35,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:37:35,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:37:35,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:37:35,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:37:35,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:37:35,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:37:35,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:37:35,796 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:37:35,796 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_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2023-11-19 07:37:36,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:37:36,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:37:36,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:37:36,138 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:37:36,139 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:37:36,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-19 07:37:39,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:37:39,740 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:37:39,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-19 07:37:39,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/data/8fd7f4027/58248bc9073c4c51b45f1394cb126cb6/FLAGa3a66db92 [2023-11-19 07:37:39,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/data/8fd7f4027/58248bc9073c4c51b45f1394cb126cb6 [2023-11-19 07:37:39,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:37:39,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:37:39,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:39,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:37:39,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:37:39,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:39" (1/1) ... [2023-11-19 07:37:39,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3437a9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:39, skipping insertion in model container [2023-11-19 07:37:39,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:39" (1/1) ... [2023-11-19 07:37:39,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:37:40,365 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:40,365 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:40,366 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:40,366 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:40,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:40,434 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 07:37:40,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50b011aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:40, skipping insertion in model container [2023-11-19 07:37:40,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:40,435 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:37:40,437 INFO L158 Benchmark]: Toolchain (without parser) took 644.49ms. Allocated memory is still 111.1MB. Free memory was 69.4MB in the beginning and 54.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:37:40,438 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:37:40,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.13ms. Allocated memory is still 111.1MB. Free memory was 69.0MB in the beginning and 54.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:37:40,441 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.13ms. Allocated memory is still 111.1MB. Free memory was 69.0MB in the beginning and 54.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1045]: 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:37:43,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:37:43,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 07:37:43,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:37:43,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:37:43,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:37:43,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:37:43,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:37:43,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:37:43,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:37:43,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:37:43,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:37:43,244 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:37:43,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:37:43,246 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:37:43,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:37:43,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:37:43,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:37:43,248 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:37:43,249 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:37:43,249 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:37:43,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:37:43,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:37:43,251 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:37:43,252 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:37:43,252 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:37:43,253 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:37:43,253 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:37:43,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:37:43,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:37:43,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:37:43,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:43,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:37:43,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:37:43,258 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:37:43,258 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:37:43,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:37:43,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:37:43,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:37:43,260 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:37:43,261 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:37:43,261 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_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2023-11-19 07:37:43,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:37:43,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:37:43,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:37:43,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:37:43,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:37:43,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-19 07:37:46,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:37:47,141 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:37:47,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-19 07:37:47,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/data/abe7fafdf/b2ae48f10c004971ae7684efd4b68ea6/FLAGcc29dec80 [2023-11-19 07:37:47,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/data/abe7fafdf/b2ae48f10c004971ae7684efd4b68ea6 [2023-11-19 07:37:47,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:37:47,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:37:47,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:47,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:37:47,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:37:47,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:47" (1/1) ... [2023-11-19 07:37:47,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452327a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:47, skipping insertion in model container [2023-11-19 07:37:47,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:47" (1/1) ... [2023-11-19 07:37:47,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:37:47,913 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:47,914 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:47,915 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:47,916 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:47,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:48,000 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:37:48,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:37:48,064 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:48,065 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:48,066 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:48,067 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:48,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:48,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:37:48,152 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:48,155 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:48,155 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:48,156 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:37:48,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:48,286 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:37:48,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48 WrapperNode [2023-11-19 07:37:48,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:48,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:48,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:37:48,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:37:48,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,389 INFO L138 Inliner]: procedures = 276, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 158 [2023-11-19 07:37:48,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:48,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:37:48,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:37:48,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:37:48,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:37:48,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:37:48,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:37:48,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:37:48,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:48,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:37:48,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:37:48,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2748cd20-d53d-4f00-945e-c58dacb6a115/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:37:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:37:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 07:37:48,561 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 07:37:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:37:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:37:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:37:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:37:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:37:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:37:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:37:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:37:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:37:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:37:48,567 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:37:48,799 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:37:48,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:37:49,590 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:37:49,601 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:37:49,602 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:37:49,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:49 BoogieIcfgContainer [2023-11-19 07:37:49,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:37:49,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:37:49,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:37:49,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:37:49,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:47" (1/3) ... [2023-11-19 07:37:49,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b641eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:49, skipping insertion in model container [2023-11-19 07:37:49,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (2/3) ... [2023-11-19 07:37:49,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b641eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:49, skipping insertion in model container [2023-11-19 07:37:49,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:49" (3/3) ... [2023-11-19 07:37:49,617 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2023-11-19 07:37:49,637 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:37:49,637 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2023-11-19 07:37:49,637 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:37:49,818 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:37:49,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 268 places, 278 transitions, 564 flow [2023-11-19 07:37:50,063 INFO L124 PetriNetUnfolderBase]: 17/276 cut-off events. [2023-11-19 07:37:50,064 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:37:50,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 276 events. 17/276 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 743 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 214. Up to 2 conditions per place. [2023-11-19 07:37:50,077 INFO L82 GeneralOperation]: Start removeDead. Operand has 268 places, 278 transitions, 564 flow [2023-11-19 07:37:50,091 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 266 places, 276 transitions, 558 flow [2023-11-19 07:37:50,096 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:37:50,109 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 276 transitions, 558 flow [2023-11-19 07:37:50,114 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 276 transitions, 558 flow [2023-11-19 07:37:50,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 276 transitions, 558 flow [2023-11-19 07:37:50,207 INFO L124 PetriNetUnfolderBase]: 17/276 cut-off events. [2023-11-19 07:37:50,207 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:37:50,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 276 events. 17/276 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 744 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 214. Up to 2 conditions per place. [2023-11-19 07:37:50,221 INFO L119 LiptonReduction]: Number of co-enabled transitions 8400