./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl --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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:05:32,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:05:32,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-12 02:05:32,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:05:32,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:05:32,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:05:32,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:05:32,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:05:32,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:05:32,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:05:32,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:05:32,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:05:32,767 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:05:32,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:05:32,769 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:05:32,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:05:32,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:05:32,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:05:32,781 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:05:32,781 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:05:32,782 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:05:32,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:05:32,783 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:05:32,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:05:32,784 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:05:32,785 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:05:32,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:05:32,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:05:32,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:05:32,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:05:32,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:05:32,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:05:32,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:05:32,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:05:32,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:05:32,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:05:32,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:05:32,789 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:05:32,790 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_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2023-11-12 02:05:33,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:05:33,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:05:33,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:05:33,106 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:05:33,107 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:05:33,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 02:05:36,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:05:36,681 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:05:36,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 02:05:36,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/data/ef60d63ca/f8dc0e713e0f41d0a27d15abf233409c/FLAGa71c8c78d [2023-11-12 02:05:36,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/data/ef60d63ca/f8dc0e713e0f41d0a27d15abf233409c [2023-11-12 02:05:36,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:05:36,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:05:36,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:05:36,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:05:36,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:05:36,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:05:36" (1/1) ... [2023-11-12 02:05:36,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462b7f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:36, skipping insertion in model container [2023-11-12 02:05:36,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:05:36" (1/1) ... [2023-11-12 02:05:36,840 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:05:37,401 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:37,402 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:37,403 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:37,405 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:37,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:05:37,477 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) [2023-11-12 02:05:37,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2368316c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:37, skipping insertion in model container [2023-11-12 02:05:37,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:05:37,479 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:05:37,481 INFO L158 Benchmark]: Toolchain (without parser) took 727.11ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 105.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:05:37,481 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:05:37,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.77ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 105.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:05:37,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.77ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 105.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1044]: 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_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl --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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:05:40,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:05:40,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-12 02:05:40,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:05:40,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:05:40,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:05:40,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:05:40,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:05:40,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:05:40,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:05:40,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:05:40,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:05:40,416 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:05:40,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:05:40,419 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:05:40,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:05:40,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:05:40,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:05:40,421 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:05:40,422 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:05:40,423 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:05:40,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:05:40,424 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:05:40,424 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:05:40,425 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:05:40,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:05:40,426 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:05:40,426 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:05:40,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:05:40,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:05:40,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:05:40,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:05:40,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:05:40,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:05:40,431 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:05:40,431 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:05:40,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:05:40,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:05:40,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:05:40,433 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:05:40,434 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:05:40,434 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_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2023-11-12 02:05:40,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:05:40,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:05:40,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:05:40,846 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:05:40,846 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:05:40,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 02:05:44,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:05:44,598 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:05:44,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 02:05:44,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/data/37600d55f/a0c5dada45bd42c3a260d9452ad0ba0c/FLAG321c3132e [2023-11-12 02:05:44,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/data/37600d55f/a0c5dada45bd42c3a260d9452ad0ba0c [2023-11-12 02:05:44,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:05:44,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:05:44,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:05:44,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:05:44,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:05:44,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:05:44" (1/1) ... [2023-11-12 02:05:44,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21cc66e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:44, skipping insertion in model container [2023-11-12 02:05:44,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:05:44" (1/1) ... [2023-11-12 02:05:44,750 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:05:45,422 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,423 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,423 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,424 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:05:45,502 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 02:05:45,521 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:05:45,576 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,581 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,582 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,583 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:05:45,620 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:05:45,676 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,679 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,680 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,681 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 02:05:45,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:05:45,799 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:05:45,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45 WrapperNode [2023-11-12 02:05:45,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:05:45,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:05:45,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:05:45,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:05:45,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,883 INFO L138 Inliner]: procedures = 281, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 189 [2023-11-12 02:05:45,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:05:45,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:05:45,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:05:45,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:05:45,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:05:45,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:05:45,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:05:45,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:05:45,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (1/1) ... [2023-11-12 02:05:45,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:05:46,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:05:46,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:05:46,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a85c06-4d91-4095-bf0b-51bbeac3b3d3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:05:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 02:05:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:05:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:05:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:05:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 02:05:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:05:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 02:05:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:05:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:05:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:05:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:05:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 02:05:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 02:05:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:05:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:05:46,070 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:05:46,348 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:05:46,351 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:05:47,063 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:05:47,071 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:05:47,072 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-12 02:05:47,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:05:47 BoogieIcfgContainer [2023-11-12 02:05:47,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:05:47,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:05:47,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:05:47,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:05:47,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:05:44" (1/3) ... [2023-11-12 02:05:47,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662fd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:05:47, skipping insertion in model container [2023-11-12 02:05:47,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:45" (2/3) ... [2023-11-12 02:05:47,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662fd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:05:47, skipping insertion in model container [2023-11-12 02:05:47,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:05:47" (3/3) ... [2023-11-12 02:05:47,083 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2023-11-12 02:05:47,102 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:05:47,103 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2023-11-12 02:05:47,103 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:05:47,241 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 02:05:47,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 246 transitions, 499 flow [2023-11-12 02:05:47,456 INFO L124 PetriNetUnfolderBase]: 27/272 cut-off events. [2023-11-12 02:05:47,456 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:05:47,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 272 events. 27/272 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 920 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 139. Up to 4 conditions per place. [2023-11-12 02:05:47,466 INFO L82 GeneralOperation]: Start removeDead. Operand has 224 places, 246 transitions, 499 flow [2023-11-12 02:05:47,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 246 transitions, 499 flow [2023-11-12 02:05:47,484 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:05:47,506 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 246 transitions, 499 flow [2023-11-12 02:05:47,509 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 246 transitions, 499 flow [2023-11-12 02:05:47,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 246 transitions, 499 flow [2023-11-12 02:05:47,559 INFO L124 PetriNetUnfolderBase]: 27/272 cut-off events. [2023-11-12 02:05:47,559 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:05:47,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 272 events. 27/272 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 920 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 139. Up to 4 conditions per place. [2023-11-12 02:05:47,568 INFO L119 LiptonReduction]: Number of co-enabled transitions 6912