./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:20:42,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:20:42,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-13 16:20:42,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:20:42,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:20:42,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:20:42,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:20:42,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:20:42,991 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:20:42,991 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:20:42,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:20:42,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:20:42,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:20:42,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:20:42,994 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:20:42,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:20:42,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:20:42,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:20:42,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:20:42,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:20:42,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:20:42,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:20:42,994 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:20:42,995 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:20:42,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:20:42,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:20:42,995 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:20:42,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:20:42,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:20:42,995 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:20:42,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:20:42,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:20:42,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:20:42,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:20:42,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:20:42,996 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd 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-memcleanup) ) 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 -> bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 [2024-11-13 16:20:43,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:20:43,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:20:43,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:20:43,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:20:43,409 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:20:43,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i Unable to find full path for "g++" [2024-11-13 16:20:45,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:20:45,953 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:20:45,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2024-11-13 16:20:45,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/data/3e3ee4eae/6797aa1f5fab4555ac39738b07a99831/FLAG19c24e95b [2024-11-13 16:20:45,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/data/3e3ee4eae/6797aa1f5fab4555ac39738b07a99831 [2024-11-13 16:20:45,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:20:45,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:20:45,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:20:45,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:20:46,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:20:46,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:20:45" (1/1) ... [2024-11-13 16:20:46,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff50af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46, skipping insertion in model container [2024-11-13 16:20:46,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:20:45" (1/1) ... [2024-11-13 16:20:46,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:20:46,707 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,760 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,765 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,773 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,783 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,847 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,847 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,851 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,852 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,855 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,856 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,857 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,858 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,861 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,862 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,865 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,866 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,867 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,868 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,872 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:46,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:20:46,905 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) [2024-11-13 16:20:46,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b911a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46, skipping insertion in model container [2024-11-13 16:20:46,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:20:46,906 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-13 16:20:46,908 INFO L158 Benchmark]: Toolchain (without parser) took 911.34ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 94.5MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:20:46,908 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:20:46,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.66ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 94.5MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:20:46,910 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 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.66ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 94.5MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:20:49,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:20:49,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-13 16:20:49,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:20:49,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:20:49,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:20:49,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:20:49,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:20:49,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:20:49,752 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:20:49,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:20:49,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:20:49,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:20:49,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:20:49,754 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:20:49,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:20:49,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:20:49,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:20:49,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:20:49,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:20:49,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:20:49,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:20:49,755 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:20:49,755 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:20:49,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:20:49,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:20:49,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:20:49,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:20:49,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:20:49,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:20:49,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:20:49,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:20:49,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:20:49,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:20:49,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:20:49,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:20:49,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:20:49,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:20:49,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:20:49,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:20:49,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:20:49,758 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:20:49,758 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:20:49,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:20:49,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:20:49,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:20:49,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:20:49,759 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd 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-memcleanup) ) 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 -> bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 [2024-11-13 16:20:50,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:20:50,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:20:50,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:20:50,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:20:50,103 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:20:50,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i Unable to find full path for "g++" [2024-11-13 16:20:52,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:20:52,664 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:20:52,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2024-11-13 16:20:52,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/data/a60d18c2c/7d5d39e26a5e439ba53df846d8d5f1a5/FLAG1e12c4d0d [2024-11-13 16:20:52,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/data/a60d18c2c/7d5d39e26a5e439ba53df846d8d5f1a5 [2024-11-13 16:20:52,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:20:52,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:20:52,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:20:52,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:20:52,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:20:52,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:20:52" (1/1) ... [2024-11-13 16:20:52,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a44bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:52, skipping insertion in model container [2024-11-13 16:20:52,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:20:52" (1/1) ... [2024-11-13 16:20:52,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:20:53,573 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,639 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,646 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,651 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,659 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,704 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,704 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,708 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,708 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,712 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,714 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,715 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,716 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,721 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,723 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,726 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,727 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,728 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,729 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,734 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:20:53,775 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-13 16:20:53,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:20:53,873 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,903 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,906 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,909 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,914 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,940 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,940 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,943 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,943 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,946 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,947 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,948 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,949 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,953 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,954 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,957 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,958 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,959 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,960 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,963 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:20:53,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:20:53,971 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:20:54,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:20:54,214 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:20:54,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54 WrapperNode [2024-11-13 16:20:54,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:20:54,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:20:54,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:20:54,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:20:54,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,366 INFO L138 Inliner]: procedures = 286, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1193 [2024-11-13 16:20:54,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:20:54,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:20:54,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:20:54,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:20:54,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,557 INFO L175 MemorySlicer]: Split 318 memory accesses to 4 slices as follows [2, 12, 34, 270]. 85 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 62 writes are split as follows [0, 1, 4, 57]. [2024-11-13 16:20:54,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:20:54,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:20:54,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:20:54,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:20:54,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (1/1) ... [2024-11-13 16:20:54,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:20:54,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:54,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:20:54,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:20:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-13 16:20:54,771 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-13 16:20:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-13 16:20:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 16:20:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 16:20:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:20:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 16:20:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 16:20:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 16:20:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-13 16:20:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:20:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:20:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-13 16:20:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-13 16:20:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 16:20:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 16:20:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 16:20:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 16:20:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-13 16:20:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-13 16:20:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:20:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:20:55,083 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:20:55,086 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:21:03,210 INFO L? ?]: Removed 169 outVars from TransFormulas that were not future-live. [2024-11-13 16:21:03,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:21:03,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:21:03,237 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-13 16:21:03,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:21:03 BoogieIcfgContainer [2024-11-13 16:21:03,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:21:03,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:21:03,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:21:03,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:21:03,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:20:52" (1/3) ... [2024-11-13 16:21:03,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719b96f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:21:03, skipping insertion in model container [2024-11-13 16:21:03,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:54" (2/3) ... [2024-11-13 16:21:03,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719b96f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:21:03, skipping insertion in model container [2024-11-13 16:21:03,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:21:03" (3/3) ... [2024-11-13 16:21:03,249 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-2.i [2024-11-13 16:21:03,267 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:21:03,269 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test6-2.i that has 6 procedures, 268 locations, 1 initial locations, 41 loop locations, and 2 error locations. [2024-11-13 16:21:03,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:21:03,345 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;@6ef65cd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:21:03,345 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 16:21:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 241 states have (on average 1.6099585062240664) internal successors, (388), 246 states have internal predecessors, (388), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 16:21:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:21:03,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:03,360 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:03,360 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:03,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:03,365 INFO L85 PathProgramCache]: Analyzing trace with hash 408885816, now seen corresponding path program 1 times [2024-11-13 16:21:03,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:03,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1383484218] [2024-11-13 16:21:03,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:03,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:03,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:03,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:03,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:21:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:03,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:21:03,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:21:03,684 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:03,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:03,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383484218] [2024-11-13 16:21:03,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383484218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:03,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:03,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:21:03,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970705776] [2024-11-13 16:21:03,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:03,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:21:03,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:03,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:21:03,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:21:03,721 INFO L87 Difference]: Start difference. First operand has 268 states, 241 states have (on average 1.6099585062240664) internal successors, (388), 246 states have internal predecessors, (388), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:03,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:03,757 INFO L93 Difference]: Finished difference Result 263 states and 341 transitions. [2024-11-13 16:21:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:21:03,759 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 16:21:03,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:03,768 INFO L225 Difference]: With dead ends: 263 [2024-11-13 16:21:03,769 INFO L226 Difference]: Without dead ends: 261 [2024-11-13 16:21:03,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:21:03,776 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:03,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:21:03,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-13 16:21:03,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2024-11-13 16:21:03,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 236 states have (on average 1.2923728813559323) internal successors, (305), 241 states have internal predecessors, (305), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 16:21:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 339 transitions. [2024-11-13 16:21:03,838 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 339 transitions. Word has length 10 [2024-11-13 16:21:03,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:03,838 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 339 transitions. [2024-11-13 16:21:03,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 339 transitions. [2024-11-13 16:21:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:21:03,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:03,840 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:03,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:21:04,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:04,041 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:04,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:04,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1811216814, now seen corresponding path program 1 times [2024-11-13 16:21:04,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:04,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918094646] [2024-11-13 16:21:04,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:04,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:04,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:04,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:04,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:21:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:04,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:21:04,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:21:04,509 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:04,509 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:04,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918094646] [2024-11-13 16:21:04,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918094646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:04,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:04,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:21:04,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394131792] [2024-11-13 16:21:04,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:04,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:21:04,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:04,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:21:04,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:21:04,513 INFO L87 Difference]: Start difference. First operand 261 states and 339 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:09,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:21:12,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:21:12,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:12,463 INFO L93 Difference]: Finished difference Result 416 states and 543 transitions. [2024-11-13 16:21:12,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:21:12,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 16:21:12,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:12,467 INFO L225 Difference]: With dead ends: 416 [2024-11-13 16:21:12,467 INFO L226 Difference]: Without dead ends: 416 [2024-11-13 16:21:12,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:21:12,469 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 185 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:12,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 968 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 123 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2024-11-13 16:21:12,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-13 16:21:12,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 380. [2024-11-13 16:21:12,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 352 states have (on average 1.2954545454545454) internal successors, (456), 357 states have internal predecessors, (456), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 16:21:12,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 496 transitions. [2024-11-13 16:21:12,511 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 496 transitions. Word has length 12 [2024-11-13 16:21:12,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:12,512 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 496 transitions. [2024-11-13 16:21:12,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 496 transitions. [2024-11-13 16:21:12,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:21:12,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:12,515 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:12,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:21:12,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:12,716 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:12,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:12,716 INFO L85 PathProgramCache]: Analyzing trace with hash -538474584, now seen corresponding path program 1 times [2024-11-13 16:21:12,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:12,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2013723459] [2024-11-13 16:21:12,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:12,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:12,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:12,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:12,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:21:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:12,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:21:12,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:12,995 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 16:21:12,996 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 16:21:12,996 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 16:21:13,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-13 16:21:13,116 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:21:13,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-13 16:21:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:21:13,143 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:13,144 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:13,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013723459] [2024-11-13 16:21:13,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013723459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:13,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:13,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:21:13,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205315798] [2024-11-13 16:21:13,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:13,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:21:13,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:13,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:21:13,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:21:13,148 INFO L87 Difference]: Start difference. First operand 380 states and 496 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:13,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:13,865 INFO L93 Difference]: Finished difference Result 594 states and 783 transitions. [2024-11-13 16:21:13,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:21:13,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 16:21:13,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:13,869 INFO L225 Difference]: With dead ends: 594 [2024-11-13 16:21:13,869 INFO L226 Difference]: Without dead ends: 594 [2024-11-13 16:21:13,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:21:13,874 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 273 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:13,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 957 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:21:13,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-11-13 16:21:13,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 379. [2024-11-13 16:21:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 351 states have (on average 1.2934472934472934) internal successors, (454), 356 states have internal predecessors, (454), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 16:21:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 494 transitions. [2024-11-13 16:21:13,914 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 494 transitions. Word has length 15 [2024-11-13 16:21:13,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:13,914 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 494 transitions. [2024-11-13 16:21:13,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 494 transitions. [2024-11-13 16:21:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:21:13,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:13,915 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:13,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:14,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:14,116 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:14,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:14,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1928585326, now seen corresponding path program 1 times [2024-11-13 16:21:14,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:14,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33459017] [2024-11-13 16:21:14,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:14,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:14,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:14,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:14,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 16:21:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:14,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:21:14,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:21:14,533 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:14,533 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:14,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33459017] [2024-11-13 16:21:14,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33459017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:14,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:14,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:21:14,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436484161] [2024-11-13 16:21:14,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:14,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:21:14,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:14,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:21:14,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:21:14,539 INFO L87 Difference]: Start difference. First operand 379 states and 494 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:14,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:14,724 INFO L93 Difference]: Finished difference Result 419 states and 534 transitions. [2024-11-13 16:21:14,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:21:14,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-13 16:21:14,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:14,730 INFO L225 Difference]: With dead ends: 419 [2024-11-13 16:21:14,731 INFO L226 Difference]: Without dead ends: 419 [2024-11-13 16:21:14,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:21:14,733 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 8 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:14,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 623 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:21:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-13 16:21:14,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-11-13 16:21:14,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 391 states have (on average 1.2634271099744245) internal successors, (494), 396 states have internal predecessors, (494), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 16:21:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 534 transitions. [2024-11-13 16:21:14,758 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 534 transitions. Word has length 50 [2024-11-13 16:21:14,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:14,758 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 534 transitions. [2024-11-13 16:21:14,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:14,758 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 534 transitions. [2024-11-13 16:21:14,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:21:14,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:14,760 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:14,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:14,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:14,960 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:14,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:14,961 INFO L85 PathProgramCache]: Analyzing trace with hash 315397972, now seen corresponding path program 1 times [2024-11-13 16:21:14,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:14,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446425176] [2024-11-13 16:21:14,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:14,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:14,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:14,967 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:14,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 16:21:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:15,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:21:15,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:21:15,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:15,394 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:15,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446425176] [2024-11-13 16:21:15,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446425176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:15,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:15,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:21:15,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666596021] [2024-11-13 16:21:15,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:15,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:21:15,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:15,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:21:15,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:21:15,396 INFO L87 Difference]: Start difference. First operand 419 states and 534 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:15,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:15,586 INFO L93 Difference]: Finished difference Result 385 states and 478 transitions. [2024-11-13 16:21:15,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:21:15,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-13 16:21:15,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:15,589 INFO L225 Difference]: With dead ends: 385 [2024-11-13 16:21:15,589 INFO L226 Difference]: Without dead ends: 385 [2024-11-13 16:21:15,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:21:15,590 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 32 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:15,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 904 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:21:15,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-13 16:21:15,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2024-11-13 16:21:15,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 357 states have (on average 1.226890756302521) internal successors, (438), 362 states have internal predecessors, (438), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 16:21:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 478 transitions. [2024-11-13 16:21:15,606 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 478 transitions. Word has length 50 [2024-11-13 16:21:15,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:15,606 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 478 transitions. [2024-11-13 16:21:15,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 478 transitions. [2024-11-13 16:21:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:21:15,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:15,608 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:15,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:15,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:15,808 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:15,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:15,809 INFO L85 PathProgramCache]: Analyzing trace with hash 792614278, now seen corresponding path program 1 times [2024-11-13 16:21:15,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:15,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538531212] [2024-11-13 16:21:15,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:15,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:15,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:15,819 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:15,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 16:21:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:16,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:21:16,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:21:16,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:16,570 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:16,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538531212] [2024-11-13 16:21:16,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538531212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:16,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:16,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:21:16,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619571768] [2024-11-13 16:21:16,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:16,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:21:16,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:16,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:21:16,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:21:16,572 INFO L87 Difference]: Start difference. First operand 385 states and 478 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:16,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:16,752 INFO L93 Difference]: Finished difference Result 394 states and 488 transitions. [2024-11-13 16:21:16,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:21:16,752 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-13 16:21:16,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:16,756 INFO L225 Difference]: With dead ends: 394 [2024-11-13 16:21:16,756 INFO L226 Difference]: Without dead ends: 394 [2024-11-13 16:21:16,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:21:16,758 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 8 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:16,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1646 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:21:16,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-13 16:21:16,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 393. [2024-11-13 16:21:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 362 states have (on average 1.223756906077348) internal successors, (443), 368 states have internal predecessors, (443), 24 states have call successors, (24), 7 states have call predecessors, (24), 5 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 16:21:16,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 487 transitions. [2024-11-13 16:21:16,779 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 487 transitions. Word has length 50 [2024-11-13 16:21:16,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:16,779 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 487 transitions. [2024-11-13 16:21:16,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:21:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 487 transitions. [2024-11-13 16:21:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 16:21:16,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:16,781 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:16,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 16:21:16,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:16,985 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:16,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:16,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1382830198, now seen corresponding path program 1 times [2024-11-13 16:21:16,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:16,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956559807] [2024-11-13 16:21:16,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:16,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:16,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:16,989 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:16,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 16:21:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:17,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:21:17,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:21:17,571 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:17,572 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:17,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956559807] [2024-11-13 16:21:17,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956559807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:17,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:17,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:21:17,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990486968] [2024-11-13 16:21:17,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:17,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:21:17,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:17,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:21:17,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:21:17,574 INFO L87 Difference]: Start difference. First operand 393 states and 487 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 16:21:17,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:17,966 INFO L93 Difference]: Finished difference Result 1047 states and 1323 transitions. [2024-11-13 16:21:17,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:21:17,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 70 [2024-11-13 16:21:17,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:17,974 INFO L225 Difference]: With dead ends: 1047 [2024-11-13 16:21:17,974 INFO L226 Difference]: Without dead ends: 1047 [2024-11-13 16:21:17,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:21:17,975 INFO L432 NwaCegarLoop]: 715 mSDtfsCounter, 598 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:17,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 1682 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:21:17,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2024-11-13 16:21:18,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 962. [2024-11-13 16:21:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 900 states have (on average 1.2444444444444445) internal successors, (1120), 910 states have internal predecessors, (1120), 48 states have call successors, (48), 13 states have call predecessors, (48), 12 states have return successors, (47), 38 states have call predecessors, (47), 44 states have call successors, (47) [2024-11-13 16:21:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1215 transitions. [2024-11-13 16:21:18,025 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1215 transitions. Word has length 70 [2024-11-13 16:21:18,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:18,025 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1215 transitions. [2024-11-13 16:21:18,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 16:21:18,026 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1215 transitions. [2024-11-13 16:21:18,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 16:21:18,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:18,028 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:18,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:18,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:18,228 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:18,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:18,229 INFO L85 PathProgramCache]: Analyzing trace with hash 456874964, now seen corresponding path program 1 times [2024-11-13 16:21:18,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:18,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321057837] [2024-11-13 16:21:18,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:18,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:18,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:18,232 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:18,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 16:21:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:18,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:21:18,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:21:18,867 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:18,867 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:18,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321057837] [2024-11-13 16:21:18,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321057837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:18,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:18,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:21:18,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431059465] [2024-11-13 16:21:18,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:18,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:21:18,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:18,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:21:18,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:21:18,870 INFO L87 Difference]: Start difference. First operand 962 states and 1215 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 16:21:18,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:18,959 INFO L93 Difference]: Finished difference Result 974 states and 1230 transitions. [2024-11-13 16:21:18,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:21:18,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 96 [2024-11-13 16:21:18,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:18,968 INFO L225 Difference]: With dead ends: 974 [2024-11-13 16:21:18,968 INFO L226 Difference]: Without dead ends: 974 [2024-11-13 16:21:18,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:21:18,969 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:18,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 967 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:21:18,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-11-13 16:21:19,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 974. [2024-11-13 16:21:19,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 909 states have (on average 1.2453245324532454) internal successors, (1132), 922 states have internal predecessors, (1132), 48 states have call successors, (48), 13 states have call predecessors, (48), 15 states have return successors, (50), 38 states have call predecessors, (50), 44 states have call successors, (50) [2024-11-13 16:21:19,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1230 transitions. [2024-11-13 16:21:19,014 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1230 transitions. Word has length 96 [2024-11-13 16:21:19,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:19,014 INFO L471 AbstractCegarLoop]: Abstraction has 974 states and 1230 transitions. [2024-11-13 16:21:19,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 16:21:19,014 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1230 transitions. [2024-11-13 16:21:19,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 16:21:19,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:19,018 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:19,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:19,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:19,219 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:19,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:19,221 INFO L85 PathProgramCache]: Analyzing trace with hash -647467510, now seen corresponding path program 1 times [2024-11-13 16:21:19,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:19,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739272548] [2024-11-13 16:21:19,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:19,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:19,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:19,225 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:19,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 16:21:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:19,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:21:19,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:21:20,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:21:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 16:21:21,047 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:21,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739272548] [2024-11-13 16:21:21,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739272548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:21:21,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:21:21,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-13 16:21:21,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622760932] [2024-11-13 16:21:21,048 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:21:21,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 16:21:21,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:21,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 16:21:21,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:21:21,050 INFO L87 Difference]: Start difference. First operand 974 states and 1230 transitions. Second operand has 14 states, 14 states have (on average 11.428571428571429) internal successors, (160), 12 states have internal predecessors, (160), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2024-11-13 16:21:24,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:24,859 INFO L93 Difference]: Finished difference Result 3826 states and 4885 transitions. [2024-11-13 16:21:24,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 16:21:24,861 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.428571428571429) internal successors, (160), 12 states have internal predecessors, (160), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) Word has length 98 [2024-11-13 16:21:24,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:24,881 INFO L225 Difference]: With dead ends: 3826 [2024-11-13 16:21:24,882 INFO L226 Difference]: Without dead ends: 3826 [2024-11-13 16:21:24,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2024-11-13 16:21:24,883 INFO L432 NwaCegarLoop]: 1149 mSDtfsCounter, 4828 mSDsluCounter, 6289 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4859 SdHoareTripleChecker+Valid, 7438 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:24,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4859 Valid, 7438 Invalid, 1360 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [433 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-13 16:21:24,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2024-11-13 16:21:24,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 2840. [2024-11-13 16:21:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2840 states, 2672 states have (on average 1.2552395209580838) internal successors, (3354), 2702 states have internal predecessors, (3354), 130 states have call successors, (130), 33 states have call predecessors, (130), 36 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2024-11-13 16:21:25,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3619 transitions. [2024-11-13 16:21:25,010 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3619 transitions. Word has length 98 [2024-11-13 16:21:25,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:25,012 INFO L471 AbstractCegarLoop]: Abstraction has 2840 states and 3619 transitions. [2024-11-13 16:21:25,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.428571428571429) internal successors, (160), 12 states have internal predecessors, (160), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2024-11-13 16:21:25,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3619 transitions. [2024-11-13 16:21:25,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 16:21:25,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:25,014 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:25,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 16:21:25,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:25,216 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:25,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:25,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1303109943, now seen corresponding path program 1 times [2024-11-13 16:21:25,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:25,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579951120] [2024-11-13 16:21:25,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:25,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:25,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:25,224 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:25,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 16:21:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:25,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:21:25,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:25,880 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 16:21:25,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 16:21:25,882 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 16:21:25,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-13 16:21:25,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:21:25,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-13 16:21:25,978 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 16:21:25,978 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:25,978 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:25,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579951120] [2024-11-13 16:21:25,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579951120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:25,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:25,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:21:25,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648438289] [2024-11-13 16:21:25,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:25,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:21:25,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:25,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:21:25,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:21:25,981 INFO L87 Difference]: Start difference. First operand 2840 states and 3619 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 16:21:26,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:26,884 INFO L93 Difference]: Finished difference Result 3849 states and 4954 transitions. [2024-11-13 16:21:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:21:26,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 106 [2024-11-13 16:21:26,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:26,900 INFO L225 Difference]: With dead ends: 3849 [2024-11-13 16:21:26,900 INFO L226 Difference]: Without dead ends: 3849 [2024-11-13 16:21:26,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:21:26,902 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 215 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:26,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 910 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:21:26,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2024-11-13 16:21:27,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 2856. [2024-11-13 16:21:27,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2856 states, 2688 states have (on average 1.2537202380952381) internal successors, (3370), 2718 states have internal predecessors, (3370), 130 states have call successors, (130), 33 states have call predecessors, (130), 36 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2024-11-13 16:21:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 3635 transitions. [2024-11-13 16:21:27,031 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 3635 transitions. Word has length 106 [2024-11-13 16:21:27,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:27,032 INFO L471 AbstractCegarLoop]: Abstraction has 2856 states and 3635 transitions. [2024-11-13 16:21:27,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 16:21:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 3635 transitions. [2024-11-13 16:21:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 16:21:27,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:27,035 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:27,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-13 16:21:27,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:27,236 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:27,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:27,237 INFO L85 PathProgramCache]: Analyzing trace with hash -389415875, now seen corresponding path program 1 times [2024-11-13 16:21:27,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:27,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1177455462] [2024-11-13 16:21:27,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:27,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:27,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:27,241 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:27,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 16:21:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:27,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:21:28,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 16:21:28,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:21:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:21:28,393 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:28,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177455462] [2024-11-13 16:21:28,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177455462] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:21:28,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:21:28,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-13 16:21:28,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33911191] [2024-11-13 16:21:28,393 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:21:28,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:21:28,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:28,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:21:28,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:21:28,403 INFO L87 Difference]: Start difference. First operand 2856 states and 3635 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 16:21:28,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:28,744 INFO L93 Difference]: Finished difference Result 2934 states and 3749 transitions. [2024-11-13 16:21:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:21:28,749 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 113 [2024-11-13 16:21:28,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:28,770 INFO L225 Difference]: With dead ends: 2934 [2024-11-13 16:21:28,771 INFO L226 Difference]: Without dead ends: 2934 [2024-11-13 16:21:28,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:21:28,772 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 4 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:28,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 966 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:21:28,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2024-11-13 16:21:28,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2916. [2024-11-13 16:21:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 2742 states have (on average 1.261852662290299) internal successors, (3460), 2772 states have internal predecessors, (3460), 130 states have call successors, (130), 39 states have call predecessors, (130), 42 states have return successors, (141), 104 states have call predecessors, (141), 126 states have call successors, (141) [2024-11-13 16:21:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 3731 transitions. [2024-11-13 16:21:28,842 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 3731 transitions. Word has length 113 [2024-11-13 16:21:28,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:28,843 INFO L471 AbstractCegarLoop]: Abstraction has 2916 states and 3731 transitions. [2024-11-13 16:21:28,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 16:21:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3731 transitions. [2024-11-13 16:21:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 16:21:28,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:28,844 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:21:28,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 16:21:29,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:29,045 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:21:29,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:29,045 INFO L85 PathProgramCache]: Analyzing trace with hash 249096979, now seen corresponding path program 2 times [2024-11-13 16:21:29,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:29,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978777487] [2024-11-13 16:21:29,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:21:29,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:29,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:29,048 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:29,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 16:24:03,878 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 16:24:03,879 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:24:03,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:24:03,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:24:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:24:04,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:24:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 16:24:04,410 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:24:04,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978777487] [2024-11-13 16:24:04,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978777487] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:24:04,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:24:04,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-13 16:24:04,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088538757] [2024-11-13 16:24:04,411 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:24:04,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:24:04,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:24:04,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:24:04,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:24:04,413 INFO L87 Difference]: Start difference. First operand 2916 states and 3731 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 16:24:05,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:24:05,165 INFO L93 Difference]: Finished difference Result 2976 states and 3803 transitions. [2024-11-13 16:24:05,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:24:05,166 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2024-11-13 16:24:05,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:24:05,176 INFO L225 Difference]: With dead ends: 2976 [2024-11-13 16:24:05,177 INFO L226 Difference]: Without dead ends: 2958 [2024-11-13 16:24:05,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:24:05,178 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 6 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1927 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:24:05,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1927 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:24:05,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2958 states. [2024-11-13 16:24:05,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2958 to 2940. [2024-11-13 16:24:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2766 states have (on average 1.2639190166305134) internal successors, (3496), 2796 states have internal predecessors, (3496), 130 states have call successors, (130), 39 states have call predecessors, (130), 42 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2024-11-13 16:24:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 3761 transitions. [2024-11-13 16:24:05,257 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 3761 transitions. Word has length 117 [2024-11-13 16:24:05,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:24:05,258 INFO L471 AbstractCegarLoop]: Abstraction has 2940 states and 3761 transitions. [2024-11-13 16:24:05,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 16:24:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 3761 transitions. [2024-11-13 16:24:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 16:24:05,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:24:05,260 INFO L215 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:24:05,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-13 16:24:05,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:24:05,464 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:24:05,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:24:05,466 INFO L85 PathProgramCache]: Analyzing trace with hash -360501933, now seen corresponding path program 3 times [2024-11-13 16:24:05,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:24:05,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621651693] [2024-11-13 16:24:05,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 16:24:05,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:24:05,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:24:05,469 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:24:05,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa5c8881-6269-4c72-8d59-5861fb5cd3b5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process