./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a 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_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU --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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:10:33,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:10:33,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-31 22:10:33,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:10:33,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:10:34,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:10:34,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:10:34,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:10:34,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:10:34,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:10:34,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:10:34,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:10:34,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:10:34,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:10:34,027 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:10:34,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:10:34,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:10:34,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:10:34,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:10:34,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:10:34,030 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 22:10:34,030 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 22:10:34,031 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 22:10:34,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:10:34,031 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:10:34,032 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:10:34,032 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:10:34,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:10:34,044 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:10:34,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:10:34,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:10:34,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:10:34,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:10:34,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:34,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:10:34,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:10:34,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:10:34,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:10:34,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:10:34,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:10:34,051 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:10:34,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:10:34,057 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_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2024-10-31 22:10:34,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:10:34,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:10:34,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:10:34,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:10:34,350 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:10:34,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i Unable to find full path for "g++" [2024-10-31 22:10:36,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:10:36,959 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:10:36,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-10-31 22:10:36,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/data/4e610d25a/fd7b918e0b82474ca6e001d4f0ad1901/FLAGdc2392b10 [2024-10-31 22:10:37,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/data/4e610d25a/fd7b918e0b82474ca6e001d4f0ad1901 [2024-10-31 22:10:37,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:10:37,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:10:37,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:37,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:10:37,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:10:37,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:37" (1/1) ... [2024-10-31 22:10:37,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41088a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:37, skipping insertion in model container [2024-10-31 22:10:37,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:37" (1/1) ... [2024-10-31 22:10:37,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:10:37,575 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:10:37,660 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:10:37,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:37,693 ERROR L321 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) [2024-10-31 22:10:37,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5195dcd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:37, skipping insertion in model container [2024-10-31 22:10:37,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:37,695 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-31 22:10:37,698 INFO L158 Benchmark]: Toolchain (without parser) took 691.63ms. Allocated memory is still 127.9MB. Free memory was 86.6MB in the beginning and 70.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:10:37,698 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:10:37,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.89ms. Allocated memory is still 127.9MB. Free memory was 86.4MB in the beginning and 70.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:10:37,701 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.89ms. Allocated memory is still 127.9MB. Free memory was 86.4MB in the beginning and 70.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 607]: 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_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU --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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:10:40,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:10:40,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-10-31 22:10:40,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:10:40,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:10:40,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:10:40,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:10:40,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:10:40,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:10:40,321 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:10:40,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:10:40,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:10:40,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:10:40,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:10:40,323 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:10:40,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:10:40,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:10:40,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:10:40,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:10:40,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:10:40,326 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 22:10:40,326 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 22:10:40,327 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 22:10:40,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:10:40,327 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:10:40,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:10:40,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:10:40,329 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:10:40,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:10:40,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:10:40,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:10:40,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:10:40,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:10:40,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:10:40,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:10:40,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:40,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:10:40,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:10:40,332 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:10:40,332 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:10:40,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:10:40,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:10:40,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:10:40,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:10:40,334 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:10:40,334 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_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2024-10-31 22:10:40,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:10:40,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:10:40,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:10:40,798 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:10:40,799 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:10:40,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i Unable to find full path for "g++" [2024-10-31 22:10:42,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:10:43,311 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:10:43,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2024-10-31 22:10:43,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/data/bc86db1d0/89c569e468da441490452af0fd42b5d6/FLAG6a53881b0 [2024-10-31 22:10:43,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/data/bc86db1d0/89c569e468da441490452af0fd42b5d6 [2024-10-31 22:10:43,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:10:43,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:10:43,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:43,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:10:43,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:10:43,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:43" (1/1) ... [2024-10-31 22:10:43,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429cd703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:43, skipping insertion in model container [2024-10-31 22:10:43,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:43" (1/1) ... [2024-10-31 22:10:43,623 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:10:44,124 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:10:44,196 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:10:44,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:44,224 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-31 22:10:44,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:10:44,280 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:10:44,303 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:10:44,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:44,319 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:10:44,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:44,491 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:10:44,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44 WrapperNode [2024-10-31 22:10:44,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:44,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:10:44,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:10:44,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:10:44,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,552 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 26 [2024-10-31 22:10:44,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:10:44,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:10:44,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:10:44,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:10:44,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,592 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [2, 0]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 0 writes are split as follows [0, 0]. [2024-10-31 22:10:44,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:10:44,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:10:44,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:10:44,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:10:44,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (1/1) ... [2024-10-31 22:10:44,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:44,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:10:44,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:10:44,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:10:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:10:44,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:10:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:10:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:10:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:10:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:10:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:10:44,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:10:44,882 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:10:44,884 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:10:45,037 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:10:45,037 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:10:45,048 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:10:45,049 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:10:45,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:45 BoogieIcfgContainer [2024-10-31 22:10:45,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:10:45,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:10:45,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:10:45,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:10:45,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:10:43" (1/3) ... [2024-10-31 22:10:45,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de70112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:45, skipping insertion in model container [2024-10-31 22:10:45,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:44" (2/3) ... [2024-10-31 22:10:45,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de70112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:45, skipping insertion in model container [2024-10-31 22:10:45,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:45" (3/3) ... [2024-10-31 22:10:45,060 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2024-10-31 22:10:45,080 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:10:45,080 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:10:45,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:10:45,148 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1e1c77db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:10:45,148 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:10:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:10:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:10:45,162 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:45,164 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:10:45,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 22:10:45,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:45,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1067130567, now seen corresponding path program 1 times [2024-10-31 22:10:45,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:10:45,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312207904] [2024-10-31 22:10:45,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:45,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:10:45,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:10:45,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:10:45,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:10:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:45,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:10:45,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:10:45,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:45,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:10:45,343 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:10:45,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312207904] [2024-10-31 22:10:45,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [312207904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:45,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:45,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:10:45,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544657469] [2024-10-31 22:10:45,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:45,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:10:45,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:10:45,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:10:45,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:10:45,407 INFO L87 Difference]: Start difference. First operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:45,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:45,456 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-10-31 22:10:45,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:10:45,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 22:10:45,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:45,484 INFO L225 Difference]: With dead ends: 18 [2024-10-31 22:10:45,484 INFO L226 Difference]: Without dead ends: 13 [2024-10-31 22:10:45,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:10:45,489 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:45,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 22 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:10:45,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-31 22:10:45,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-31 22:10:45,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:10:45,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-10-31 22:10:45,582 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 6 [2024-10-31 22:10:45,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:45,585 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-10-31 22:10:45,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-10-31 22:10:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 22:10:45,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:45,586 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:45,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:10:45,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:10:45,788 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 22:10:45,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:45,789 INFO L85 PathProgramCache]: Analyzing trace with hash -771349331, now seen corresponding path program 1 times [2024-10-31 22:10:45,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:10:45,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314691964] [2024-10-31 22:10:45,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:45,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:10:45,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:10:45,794 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:10:45,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 22:10:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:10:45,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:10:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:10:45,936 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:10:45,937 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:10:45,939 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2024-10-31 22:10:45,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:10:46,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:10:46,144 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:10:46,162 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:10:46,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:10:46 BoogieIcfgContainer [2024-10-31 22:10:46,166 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:10:46,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:10:46,167 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:10:46,167 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:10:46,168 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:45" (3/4) ... [2024-10-31 22:10:46,171 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:10:46,172 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:10:46,172 INFO L158 Benchmark]: Toolchain (without parser) took 2609.46ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 36.9MB in the beginning and 43.2MB in the end (delta: -6.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-10-31 22:10:46,173 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:10:46,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 927.32ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 36.8MB in the beginning and 37.7MB in the end (delta: -939.3kB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-10-31 22:10:46,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.90ms. Allocated memory is still 77.6MB. Free memory was 37.7MB in the beginning and 35.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:10:46,175 INFO L158 Benchmark]: Boogie Preprocessor took 75.10ms. Allocated memory is still 77.6MB. Free memory was 35.6MB in the beginning and 55.7MB in the end (delta: -20.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:10:46,175 INFO L158 Benchmark]: RCFGBuilder took 415.28ms. Allocated memory is still 77.6MB. Free memory was 55.7MB in the beginning and 44.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:10:46,176 INFO L158 Benchmark]: TraceAbstraction took 1115.23ms. Allocated memory is still 77.6MB. Free memory was 43.5MB in the beginning and 43.6MB in the end (delta: -18.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:10:46,176 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 77.6MB. Free memory was 43.6MB in the beginning and 43.2MB in the end (delta: 360.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:10:46,179 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 927.32ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 36.8MB in the beginning and 37.7MB in the end (delta: -939.3kB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.90ms. Allocated memory is still 77.6MB. Free memory was 37.7MB in the beginning and 35.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.10ms. Allocated memory is still 77.6MB. Free memory was 35.6MB in the beginning and 55.7MB in the end (delta: -20.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 415.28ms. Allocated memory is still 77.6MB. Free memory was 55.7MB in the beginning and 44.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1115.23ms. Allocated memory is still 77.6MB. Free memory was 43.5MB in the beginning and 43.6MB in the end (delta: -18.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 77.6MB. Free memory was 43.6MB in the beginning and 43.2MB in the end (delta: 360.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) VAL [ldv_global_msg_list={1:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [ldv_global_msg_list={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\result={2:0}, ldv_global_msg_list={1:0}] [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:10:46,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0334939-a01e-452a-9964-3ca98d63f586/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample