./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 e7bb482b 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_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/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_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/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_8f744686-c516-4eac-b653-8375880ac380/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_8f744686-c516-4eac-b653-8375880ac380/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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:08:42,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:08:42,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-06 22:08:42,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:08:42,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:08:43,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:08:43,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:08:43,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:08:43,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:08:43,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:08:43,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:08:43,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:08:43,014 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:08:43,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:08:43,017 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:08:43,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:08:43,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:08:43,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:08:43,019 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 22:08:43,019 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 22:08:43,019 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 22:08:43,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:08:43,022 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:08:43,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:08:43,023 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:08:43,023 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:08:43,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:08:43,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:08:43,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:08:43,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:43,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:08:43,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:08:43,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:08:43,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:08:43,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:08:43,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:08:43,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:08:43,028 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:08:43,029 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_8f744686-c516-4eac-b653-8375880ac380/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2023-11-06 22:08:43,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:08:43,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:08:43,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:08:43,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:08:43,405 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:08:43,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-06 22:08:46,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:08:46,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:08:46,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-06 22:08:46,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/data/a9f6248bf/47e6fc39d0a948b597ca3da2920d5ce8/FLAGc0f836cf3 [2023-11-06 22:08:46,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/data/a9f6248bf/47e6fc39d0a948b597ca3da2920d5ce8 [2023-11-06 22:08:46,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:08:46,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:08:46,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:46,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:08:46,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:08:46,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:46" (1/1) ... [2023-11-06 22:08:46,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb5cac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:46, skipping insertion in model container [2023-11-06 22:08:46,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:46" (1/1) ... [2023-11-06 22:08:47,057 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:47,526 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:47,527 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:47,529 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:47,531 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:47,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:47,590 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 22:08:47,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71a3e149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:47, skipping insertion in model container [2023-11-06 22:08:47,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:47,592 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 22:08:47,594 INFO L158 Benchmark]: Toolchain (without parser) took 613.03ms. Allocated memory is still 157.3MB. Free memory was 115.5MB in the beginning and 100.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:08:47,594 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 157.3MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:08:47,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.59ms. Allocated memory is still 157.3MB. Free memory was 115.1MB in the beginning and 100.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:08:47,597 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 157.3MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.59ms. Allocated memory is still 157.3MB. Free memory was 115.1MB in the beginning and 100.4MB in the end (delta: 14.7MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/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_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/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_8f744686-c516-4eac-b653-8375880ac380/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_8f744686-c516-4eac-b653-8375880ac380/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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:08:50,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:08:50,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-06 22:08:50,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:08:50,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:08:50,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:08:50,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:08:50,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:08:50,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:08:50,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:08:50,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:08:50,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:08:50,411 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:08:50,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:08:50,413 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:08:50,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:08:50,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:08:50,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:08:50,415 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 22:08:50,416 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 22:08:50,417 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 22:08:50,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:08:50,418 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:08:50,418 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:08:50,418 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:08:50,419 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:08:50,419 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:08:50,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:08:50,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:08:50,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:08:50,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:08:50,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:50,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:08:50,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:08:50,423 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:08:50,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:08:50,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:08:50,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:08:50,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:08:50,425 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:08:50,426 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:08:50,426 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_8f744686-c516-4eac-b653-8375880ac380/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2023-11-06 22:08:50,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:08:50,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:08:50,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:08:50,886 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:08:50,887 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:08:50,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-06 22:08:54,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:08:54,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:08:54,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-06 22:08:54,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/data/a9396be20/6cccd258fdca4960949832a3445adf68/FLAG4c8ee2bb4 [2023-11-06 22:08:54,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/data/a9396be20/6cccd258fdca4960949832a3445adf68 [2023-11-06 22:08:54,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:08:54,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:08:54,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:54,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:08:54,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:08:54,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:54" (1/1) ... [2023-11-06 22:08:54,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797c5f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:54, skipping insertion in model container [2023-11-06 22:08:54,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:54" (1/1) ... [2023-11-06 22:08:54,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:55,281 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,282 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,282 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,284 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:55,347 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 22:08:55,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:55,412 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,413 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,414 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,415 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:55,467 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:08:55,518 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,519 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,520 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,520 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:08:55,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:55,667 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:08:55,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55 WrapperNode [2023-11-06 22:08:55,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:55,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:55,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:08:55,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:08:55,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,776 INFO L138 Inliner]: procedures = 276, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 158 [2023-11-06 22:08:55,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:55,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:08:55,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:08:55,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:08:55,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:08:55,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:08:55,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:08:55,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:08:55,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (1/1) ... [2023-11-06 22:08:55,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:55,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:55,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:08:55,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f744686-c516-4eac-b653-8375880ac380/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:08:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:08:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-06 22:08:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-06 22:08:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:08:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:08:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:08:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:08:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:08:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:08:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:08:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:08:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:08:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:08:55,910 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 22:08:56,164 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:08:56,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:08:56,829 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:08:56,840 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:08:56,840 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:08:56,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:56 BoogieIcfgContainer [2023-11-06 22:08:56,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:08:56,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:08:56,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:08:56,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:08:56,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:08:54" (1/3) ... [2023-11-06 22:08:56,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f9cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:56, skipping insertion in model container [2023-11-06 22:08:56,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:55" (2/3) ... [2023-11-06 22:08:56,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f9cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:56, skipping insertion in model container [2023-11-06 22:08:56,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:56" (3/3) ... [2023-11-06 22:08:56,852 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2023-11-06 22:08:56,870 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:08:56,870 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2023-11-06 22:08:56,870 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:08:57,058 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:08:57,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 268 places, 278 transitions, 564 flow [2023-11-06 22:08:57,269 INFO L124 PetriNetUnfolderBase]: 17/276 cut-off events. [2023-11-06 22:08:57,269 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:08:57,281 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. [2023-11-06 22:08:57,281 INFO L82 GeneralOperation]: Start removeDead. Operand has 268 places, 278 transitions, 564 flow [2023-11-06 22:08:57,296 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 266 places, 276 transitions, 558 flow [2023-11-06 22:08:57,301 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:08:57,314 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 276 transitions, 558 flow [2023-11-06 22:08:57,319 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 276 transitions, 558 flow [2023-11-06 22:08:57,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 276 transitions, 558 flow [2023-11-06 22:08:57,425 INFO L124 PetriNetUnfolderBase]: 17/276 cut-off events. [2023-11-06 22:08:57,425 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:08:57,431 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. [2023-11-06 22:08:57,440 INFO L119 LiptonReduction]: Number of co-enabled transitions 8400 [2023-11-06 22:10:01,188 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:10:40,272 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:11:19,902 WARN L293 SmtUtils]: Spent 7.65s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:11:25,246 WARN L293 SmtUtils]: Spent 5.34s 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 22:11:31,879 WARN L293 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:11:44,047 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:11:53,352 WARN L293 SmtUtils]: Spent 5.29s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)