./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 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_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/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_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/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_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:16:47,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:16:47,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-06 22:16:47,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:16:47,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:16:47,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:16:47,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:16:47,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:16:47,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:16:47,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:16:47,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:16:47,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:16:47,862 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:16:47,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:16:47,864 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:16:47,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:16:47,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:16:47,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:16:47,866 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 22:16:47,867 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 22:16:47,867 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 22:16:47,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:16:47,868 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:16:47,869 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:16:47,869 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:16:47,870 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:16:47,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:16:47,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:16:47,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:16:47,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:16:47,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:16:47,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:16:47,875 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:16:47,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:16:47,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:16:47,876 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:16:47,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:16:47,876 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:16:47,877 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_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2023-11-06 22:16:48,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:16:48,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:16:48,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:16:48,224 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:16:48,226 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:16:48,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-11-06 22:16:51,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:16:51,685 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:16:51,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-11-06 22:16:51,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/data/0947a79b2/aa741a702a95493aab66b3746b0ec24f/FLAG17709cb47 [2023-11-06 22:16:51,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/data/0947a79b2/aa741a702a95493aab66b3746b0ec24f [2023-11-06 22:16:51,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:16:51,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:16:51,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:16:51,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:16:51,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:16:51,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:16:51" (1/1) ... [2023-11-06 22:16:51,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1290875e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:51, skipping insertion in model container [2023-11-06 22:16:51,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:16:51" (1/1) ... [2023-11-06 22:16:51,831 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:16:52,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:16:52,293 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 22:16:52,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f6db8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:52, skipping insertion in model container [2023-11-06 22:16:52,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:16:52,294 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 22:16:52,296 INFO L158 Benchmark]: Toolchain (without parser) took 561.63ms. Allocated memory is still 182.5MB. Free memory was 134.3MB in the beginning and 119.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:16:52,297 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 147.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:16:52,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.88ms. Allocated memory is still 182.5MB. Free memory was 133.6MB in the beginning and 119.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:16:52,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 147.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.88ms. Allocated memory is still 182.5MB. Free memory was 133.6MB in the beginning and 119.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: 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_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/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_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/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_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:16:54,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:16:54,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-06 22:16:55,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:16:55,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:16:55,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:16:55,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:16:55,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:16:55,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:16:55,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:16:55,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:16:55,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:16:55,064 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:16:55,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:16:55,066 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:16:55,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:16:55,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:16:55,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:16:55,068 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 22:16:55,069 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 22:16:55,070 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 22:16:55,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:16:55,071 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:16:55,071 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:16:55,071 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:16:55,072 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:16:55,072 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:16:55,073 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:16:55,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:16:55,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:16:55,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:16:55,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:16:55,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:16:55,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:16:55,077 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:16:55,077 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:16:55,077 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:16:55,077 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:16:55,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:16:55,079 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:16:55,079 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:16:55,079 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_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2023-11-06 22:16:55,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:16:55,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:16:55,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:16:55,562 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:16:55,563 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:16:55,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-11-06 22:16:58,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:16:59,117 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:16:59,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-11-06 22:16:59,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/data/e2f185309/277c43fcaf4c42118755df4ba5dea33c/FLAG786af6226 [2023-11-06 22:16:59,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/data/e2f185309/277c43fcaf4c42118755df4ba5dea33c [2023-11-06 22:16:59,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:16:59,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:16:59,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:16:59,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:16:59,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:16:59,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:16:59" (1/1) ... [2023-11-06 22:16:59,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c1df66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:16:59, skipping insertion in model container [2023-11-06 22:16:59,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:16:59" (1/1) ... [2023-11-06 22:16:59,228 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:16:59,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:16:59,771 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 22:16:59,788 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:16:59,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:16:59,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:16:59,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:17:00,038 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:17:00,046 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:17:00,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00 WrapperNode [2023-11-06 22:17:00,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:17:00,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:17:00,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:17:00,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:17:00,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,134 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 26 [2023-11-06 22:17:00,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:17:00,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:17:00,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:17:00,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:17:00,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:17:00,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:17:00,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:17:00,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:17:00,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (1/1) ... [2023-11-06 22:17:00,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:17:00,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:00,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:00,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:17:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:17:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:17:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:17:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:17:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:17:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:17:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:17:00,398 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:17:00,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:17:00,573 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:17:00,582 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:17:00,582 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:17:00,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:17:00 BoogieIcfgContainer [2023-11-06 22:17:00,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:17:00,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:17:00,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:17:00,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:17:00,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:16:59" (1/3) ... [2023-11-06 22:17:00,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc58dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:17:00, skipping insertion in model container [2023-11-06 22:17:00,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:00" (2/3) ... [2023-11-06 22:17:00,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc58dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:17:00, skipping insertion in model container [2023-11-06 22:17:00,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:17:00" (3/3) ... [2023-11-06 22:17:00,599 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2023-11-06 22:17:00,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:17:00,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:17:00,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:17:00,684 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@6daca415, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:17:00,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:17:00,689 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) [2023-11-06 22:17:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-06 22:17:00,700 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:17:00,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:17:00,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-06 22:17:00,708 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:00,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1067130567, now seen corresponding path program 1 times [2023-11-06 22:17:00,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:17:00,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245768401] [2023-11-06 22:17:00,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:00,729 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 [2023-11-06 22:17:00,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:17:00,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:17:00,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:17:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:00,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:17:00,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:00,865 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:17:00,866 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:17:00,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245768401] [2023-11-06 22:17:00,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245768401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:00,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:00,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:17:00,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139864091] [2023-11-06 22:17:00,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:00,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:17:00,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:17:00,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:17:00,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:17:00,908 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) [2023-11-06 22:17:00,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:00,942 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2023-11-06 22:17:00,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:17:00,944 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 [2023-11-06 22:17:00,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:17:00,952 INFO L225 Difference]: With dead ends: 18 [2023-11-06 22:17:00,952 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:17:00,954 INFO L412 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 [2023-11-06 22:17:00,957 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:17:00,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:17:00,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:17:00,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-06 22:17:00,989 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) [2023-11-06 22:17:00,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-11-06 22:17:00,991 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 6 [2023-11-06 22:17:00,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:17:00,991 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-11-06 22:17:00,992 INFO L496 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) [2023-11-06 22:17:00,992 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-11-06 22:17:00,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:17:00,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:17:00,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:01,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:17:01,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:17:01,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-06 22:17:01,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:01,206 INFO L85 PathProgramCache]: Analyzing trace with hash -771349331, now seen corresponding path program 1 times [2023-11-06 22:17:01,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:17:01,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127589731] [2023-11-06 22:17:01,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:01,207 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 [2023-11-06 22:17:01,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:17:01,209 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:17:01,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:17:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:01,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:01,372 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-06 22:17:01,372 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:17:01,379 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2023-11-06 22:17:01,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/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)] Ended with exit code 0 [2023-11-06 22:17:01,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:17:01,596 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:17:01,600 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:17:01,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:17:01 BoogieIcfgContainer [2023-11-06 22:17:01,623 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:17:01,623 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:17:01,624 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:17:01,624 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:17:01,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:17:00" (3/4) ... [2023-11-06 22:17:01,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:17:01,628 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:17:01,629 INFO L158 Benchmark]: Toolchain (without parser) took 2461.56ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 40.9MB in the beginning and 43.9MB in the end (delta: -3.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-06 22:17:01,630 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:17:01,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 879.49ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 40.7MB in the beginning and 55.1MB in the end (delta: -14.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-06 22:17:01,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.33ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 53.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:17:01,631 INFO L158 Benchmark]: Boogie Preprocessor took 36.24ms. Allocated memory is still 94.4MB. Free memory was 53.3MB in the beginning and 51.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:17:01,632 INFO L158 Benchmark]: RCFGBuilder took 413.57ms. Allocated memory is still 94.4MB. Free memory was 51.7MB in the beginning and 71.1MB in the end (delta: -19.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:17:01,633 INFO L158 Benchmark]: TraceAbstraction took 1033.70ms. Allocated memory is still 94.4MB. Free memory was 70.1MB in the beginning and 44.4MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 22:17:01,633 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 94.4MB. Free memory was 44.4MB in the beginning and 43.9MB in the end (delta: 490.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:17:01,636 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 879.49ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 40.7MB in the beginning and 55.1MB in the end (delta: -14.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.33ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 53.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.24ms. Allocated memory is still 94.4MB. Free memory was 53.3MB in the beginning and 51.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.57ms. Allocated memory is still 94.4MB. Free memory was 51.7MB in the beginning and 71.1MB in the end (delta: -19.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1033.70ms. Allocated memory is still 94.4MB. Free memory was 70.1MB in the beginning and 44.4MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 94.4MB. Free memory was 44.4MB in the beginning and 43.9MB in the end (delta: 490.9kB). 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) }; 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 [\old(condition)=-2147483648, condition=-2147483648, 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 [\old(condition)=-2147483648, condition=-2147483648, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A16))={2:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=-2147483648, \result={2:0}, condition=-2147483648, ldv_global_msg_list={1:0}, p={2:0}] [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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 15 mSDtfsCounter, 6 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s 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 [2023-11-06 22:17:01,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f073d-556e-4a9c-8b45-3a3dddd4a3b1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample