./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b 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_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:25,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:25,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-06 21:53:25,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:25,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:25,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:25,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:25,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:25,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:25,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:25,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:25,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:25,745 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:25,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:25,747 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:53:25,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:53:25,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:53:25,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:25,749 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:53:25,750 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:53:25,750 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:53:25,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:25,751 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:53:25,753 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:53:25,753 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:53:25,754 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:25,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:25,755 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:25,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:25,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:25,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:25,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:25,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:53:25,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:53:25,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:25,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:25,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:25,759 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:25,759 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_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2023-11-06 21:53:26,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:26,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:26,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:26,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:26,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:26,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2023-11-06 21:53:29,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:29,577 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:29,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2023-11-06 21:53:29,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/data/5e66efd31/43a25d27929446aea5104e56a65d4721/FLAGb164138e1 [2023-11-06 21:53:29,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/data/5e66efd31/43a25d27929446aea5104e56a65d4721 [2023-11-06 21:53:29,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:29,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:29,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:29,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:29,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:29,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4611c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29, skipping insertion in model container [2023-11-06 21:53:29,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:30,452 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:30,452 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:30,454 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:30,454 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:30,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:30,535 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) [2023-11-06 21:53:30,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3037f8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30, skipping insertion in model container [2023-11-06 21:53:30,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:30,537 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 21:53:30,539 INFO L158 Benchmark]: Toolchain (without parser) took 870.51ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 97.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 21:53:30,540 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:30,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 861.54ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 97.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 21:53:30,543 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 109.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 861.54ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 97.5MB 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: 1031]: 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_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:33,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:33,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-06 21:53:33,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:33,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:33,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:33,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:33,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:33,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:33,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:33,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:33,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:33,264 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:33,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:33,267 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:53:33,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:53:33,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:53:33,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:33,269 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:53:33,269 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:53:33,269 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:53:33,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:33,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:53:33,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:53:33,271 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:53:33,272 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:53:33,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:53:33,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:33,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:33,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:33,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:33,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:33,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:33,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:33,277 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:53:33,277 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:53:33,277 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:33,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:33,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:33,279 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:53:33,279 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:33,280 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_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2023-11-06 21:53:33,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:33,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:33,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:33,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:33,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:33,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2023-11-06 21:53:36,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:37,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:37,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2023-11-06 21:53:37,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/data/482c1da19/b6b90c54d4ee44e4beed715b8b8edea6/FLAG84ec002c0 [2023-11-06 21:53:37,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/data/482c1da19/b6b90c54d4ee44e4beed715b8b8edea6 [2023-11-06 21:53:37,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:37,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:37,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:37,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:37,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:37,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:37" (1/1) ... [2023-11-06 21:53:37,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7924f3a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:37, skipping insertion in model container [2023-11-06 21:53:37,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:37" (1/1) ... [2023-11-06 21:53:37,460 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:37,989 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:37,990 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:37,992 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:37,994 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:38,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:38,076 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 21:53:38,090 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:38,138 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:38,139 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:38,139 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:38,140 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:38,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:38,184 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:38,236 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:38,236 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:38,237 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:38,238 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 21:53:38,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:38,342 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:38,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38 WrapperNode [2023-11-06 21:53:38,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:38,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:38,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:38,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:38,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,408 INFO L138 Inliner]: procedures = 274, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2023-11-06 21:53:38,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:38,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:38,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:38,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:38,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:38,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:38,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:38,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:38,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (1/1) ... [2023-11-06 21:53:38,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:38,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:38,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:38,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd456c26-a4bf-41f2-b10b-a59cd93985ac/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 21:53:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-06 21:53:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-06 21:53:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:53:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:53:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:53:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 21:53:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 21:53:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:53:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:53:38,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:53:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:38,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:38,579 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 21:53:38,769 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:38,772 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:53:39,411 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:53:39,421 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:53:39,421 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 21:53:39,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:39 BoogieIcfgContainer [2023-11-06 21:53:39,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:53:39,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:53:39,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:53:39,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:53:39,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:37" (1/3) ... [2023-11-06 21:53:39,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671f4d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:39, skipping insertion in model container [2023-11-06 21:53:39,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:38" (2/3) ... [2023-11-06 21:53:39,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671f4d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:39, skipping insertion in model container [2023-11-06 21:53:39,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:39" (3/3) ... [2023-11-06 21:53:39,433 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2023-11-06 21:53:39,454 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:53:39,454 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2023-11-06 21:53:39,455 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:53:39,584 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 21:53:39,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 218 transitions, 444 flow [2023-11-06 21:53:39,735 INFO L124 PetriNetUnfolderBase]: 14/216 cut-off events. [2023-11-06 21:53:39,735 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:53:39,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 216 events. 14/216 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 672 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2023-11-06 21:53:39,743 INFO L82 GeneralOperation]: Start removeDead. Operand has 211 places, 218 transitions, 444 flow [2023-11-06 21:53:39,751 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 216 transitions, 438 flow [2023-11-06 21:53:39,755 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 21:53:39,767 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 216 transitions, 438 flow [2023-11-06 21:53:39,778 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 216 transitions, 438 flow [2023-11-06 21:53:39,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 216 transitions, 438 flow [2023-11-06 21:53:39,875 INFO L124 PetriNetUnfolderBase]: 14/216 cut-off events. [2023-11-06 21:53:39,875 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:53:39,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 216 events. 14/216 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 665 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2023-11-06 21:53:39,889 INFO L119 LiptonReduction]: Number of co-enabled transitions 8400 [2023-11-06 21:55:00,376 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 111 DAG size of output: 102 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 21:55:53,007 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 21:55:58,535 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 21:56:08,234 WARN L293 SmtUtils]: Spent 9.70s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 21:56:14,574 WARN L293 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)