./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB --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 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:56:05,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:56:06,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-27 19:56:06,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:56:06,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:56:06,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:56:06,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:56:06,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:56:06,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:56:06,099 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:56:06,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:56:06,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:56:06,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:56:06,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:56:06,102 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:56:06,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:56:06,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:56:06,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:56:06,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:56:06,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:56:06,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:56:06,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:56:06,104 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 19:56:06,104 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 19:56:06,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:56:06,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:56:06,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 19:56:06,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:56:06,105 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:56:06,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:56:06,105 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:56:06,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:56:06,105 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:56:06,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:56:06,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:56:06,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:56:06,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:56:06,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:56:06,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:56:06,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:56:06,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:56:06,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:56:06,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:56:06,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:56:06,106 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:56:06,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:56:06,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:56:06,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:56:06,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:56:06,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:56:06,106 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_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 [2024-11-27 19:56:06,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:56:06,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:56:06,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:56:06,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:56:06,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:56:06,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-11-27 19:56:09,476 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/data/abac50602/3fd5efabcdac4283b4f171f656cb6eab/FLAGd82304080 [2024-11-27 19:56:09,903 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:56:09,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-11-27 19:56:09,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/data/abac50602/3fd5efabcdac4283b4f171f656cb6eab/FLAGd82304080 [2024-11-27 19:56:10,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/data/abac50602/3fd5efabcdac4283b4f171f656cb6eab [2024-11-27 19:56:10,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:56:10,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:56:10,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:56:10,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:56:10,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:56:10,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:56:10" (1/1) ... [2024-11-27 19:56:10,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535cdfc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:10, skipping insertion in model container [2024-11-27 19:56:10,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:56:10" (1/1) ... [2024-11-27 19:56:10,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:56:10,728 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,770 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,773 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,777 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,784 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,820 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,820 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,825 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,825 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,833 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,835 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,836 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,837 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,841 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:10,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:56:10,862 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) [2024-11-27 19:56:10,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72f7a3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:10, skipping insertion in model container [2024-11-27 19:56:10,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:56:10,863 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-27 19:56:10,865 INFO L158 Benchmark]: Toolchain (without parser) took 817.89ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 68.4MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 19:56:10,866 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:56:10,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.77ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 68.4MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 19:56:10,867 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.77ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 68.4MB in the end (delta: 21.1MB). 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_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB --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 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:56:13,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:56:13,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-27 19:56:13,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:56:13,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:56:13,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:56:13,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:56:13,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:56:13,712 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:56:13,713 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:56:13,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:56:13,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:56:13,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:56:13,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:56:13,714 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:56:13,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:56:13,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:56:13,715 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:56:13,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:56:13,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:56:13,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:56:13,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:56:13,715 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 19:56:13,715 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 19:56:13,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:56:13,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:56:13,716 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 19:56:13,716 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 19:56:13,716 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 19:56:13,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:56:13,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:56:13,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:56:13,716 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:56:13,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:56:13,716 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:56:13,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:56:13,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:56:13,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:56:13,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:56:13,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:56:13,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:56:13,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:56:13,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:56:13,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:56:13,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:56:13,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:56:13,719 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 19:56:13,719 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 19:56:13,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:56:13,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:56:13,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:56:13,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:56:13,720 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_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 [2024-11-27 19:56:14,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:56:14,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:56:14,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:56:14,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:56:14,148 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:56:14,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-11-27 19:56:17,366 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/data/bf860ca1c/9f02a2e1d8ff4ae4bd7065ad6409c797/FLAGdd8009c91 [2024-11-27 19:56:17,731 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:56:17,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-11-27 19:56:17,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/data/bf860ca1c/9f02a2e1d8ff4ae4bd7065ad6409c797/FLAGdd8009c91 [2024-11-27 19:56:17,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/data/bf860ca1c/9f02a2e1d8ff4ae4bd7065ad6409c797 [2024-11-27 19:56:17,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:56:17,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:56:17,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:56:17,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:56:17,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:56:17,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:56:17" (1/1) ... [2024-11-27 19:56:17,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d850768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:17, skipping insertion in model container [2024-11-27 19:56:17,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:56:17" (1/1) ... [2024-11-27 19:56:18,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:56:18,762 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,812 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,819 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,830 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,844 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,887 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,887 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,894 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,894 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,898 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,900 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,901 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,902 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,908 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:18,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:56:18,930 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-27 19:56:18,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:56:18,990 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,009 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,012 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,016 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,022 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,074 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,078 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,081 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,084 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,087 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,089 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,094 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,098 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,103 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 19:56:19,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:56:19,123 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:56:19,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:56:19,392 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:56:19,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19 WrapperNode [2024-11-27 19:56:19,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:56:19,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:56:19,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:56:19,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:56:19,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,502 INFO L138 Inliner]: procedures = 286, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1036 [2024-11-27 19:56:19,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:56:19,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:56:19,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:56:19,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:56:19,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,687 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 220, 34]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 49, 4]. [2024-11-27 19:56:19,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,751 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:56:19,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:56:19,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:56:19,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:56:19,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (1/1) ... [2024-11-27 19:56:19,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:56:19,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:19,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:56:19,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:56:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-27 19:56:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-27 19:56:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-27 19:56:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-27 19:56:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-27 19:56:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-27 19:56:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-27 19:56:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-27 19:56:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 19:56:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-27 19:56:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 19:56:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-27 19:56:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 19:56:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 19:56:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 19:56:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 19:56:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-27 19:56:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-27 19:56:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:56:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:56:20,176 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:56:20,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:56:27,195 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-27 19:56:27,195 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:56:27,209 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:56:27,210 INFO L312 CfgBuilder]: Removed 36 assume(true) statements. [2024-11-27 19:56:27,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:56:27 BoogieIcfgContainer [2024-11-27 19:56:27,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:56:27,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:56:27,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:56:27,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:56:27,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:56:17" (1/3) ... [2024-11-27 19:56:27,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f48ff04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:56:27, skipping insertion in model container [2024-11-27 19:56:27,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:19" (2/3) ... [2024-11-27 19:56:27,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f48ff04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:56:27, skipping insertion in model container [2024-11-27 19:56:27,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:56:27" (3/3) ... [2024-11-27 19:56:27,221 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-1.i [2024-11-27 19:56:27,241 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:56:27,243 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test6-1.i that has 6 procedures, 240 locations, 1 initial locations, 36 loop locations, and 2 error locations. [2024-11-27 19:56:27,294 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:56:27,307 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;@1f05311, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:56:27,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-27 19:56:27,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 240 states, 215 states have (on average 1.5906976744186045) internal successors, (342), 220 states have internal predecessors, (342), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 19:56:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-27 19:56:27,326 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:27,326 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:27,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:27,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:27,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1597574460, now seen corresponding path program 1 times [2024-11-27 19:56:27,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:27,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977223473] [2024-11-27 19:56:27,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:27,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:27,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:27,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:27,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 19:56:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:27,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 19:56:27,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:27,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:27,653 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:56:27,654 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:27,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977223473] [2024-11-27 19:56:27,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977223473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:27,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:27,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:27,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884935923] [2024-11-27 19:56:27,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:27,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 19:56:27,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:27,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 19:56:27,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:56:27,697 INFO L87 Difference]: Start difference. First operand has 240 states, 215 states have (on average 1.5906976744186045) internal successors, (342), 220 states have internal predecessors, (342), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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) [2024-11-27 19:56:27,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:27,762 INFO L93 Difference]: Finished difference Result 235 states and 300 transitions. [2024-11-27 19:56:27,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:56:27,766 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 [2024-11-27 19:56:27,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:27,775 INFO L225 Difference]: With dead ends: 235 [2024-11-27 19:56:27,775 INFO L226 Difference]: Without dead ends: 233 [2024-11-27 19:56:27,777 INFO L434 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 [2024-11-27 19:56:27,781 INFO L435 NwaCegarLoop]: 300 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, 300 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 [2024-11-27 19:56:27,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:56:27,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-27 19:56:27,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-27 19:56:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 210 states have (on average 1.276190476190476) internal successors, (268), 215 states have internal predecessors, (268), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 19:56:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 298 transitions. [2024-11-27 19:56:27,858 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 298 transitions. Word has length 10 [2024-11-27 19:56:27,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:27,859 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 298 transitions. [2024-11-27 19:56:27,859 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) [2024-11-27 19:56:27,860 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 298 transitions. [2024-11-27 19:56:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-27 19:56:27,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:27,860 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:27,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 19:56:28,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:28,061 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:28,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:28,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1473877998, now seen corresponding path program 1 times [2024-11-27 19:56:28,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:28,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [226195737] [2024-11-27 19:56:28,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:28,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:28,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:28,065 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:28,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 19:56:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:28,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 19:56:28,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:28,470 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:56:28,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:28,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226195737] [2024-11-27 19:56:28,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226195737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:28,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:28,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:56:28,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891210222] [2024-11-27 19:56:28,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:28,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:56:28,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:28,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:56:28,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:56:28,476 INFO L87 Difference]: Start difference. First operand 233 states and 298 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) [2024-11-27 19:56:31,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 19:56:34,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 19:56:35,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:35,007 INFO L93 Difference]: Finished difference Result 352 states and 453 transitions. [2024-11-27 19:56:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:56:35,009 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 [2024-11-27 19:56:35,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:35,011 INFO L225 Difference]: With dead ends: 352 [2024-11-27 19:56:35,011 INFO L226 Difference]: Without dead ends: 352 [2024-11-27 19:56:35,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:56:35,012 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 142 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:35,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 809 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-27 19:56:35,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-27 19:56:35,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 348. [2024-11-27 19:56:35,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 325 states have (on average 1.2861538461538462) internal successors, (418), 330 states have internal predecessors, (418), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 19:56:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 448 transitions. [2024-11-27 19:56:35,054 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 448 transitions. Word has length 12 [2024-11-27 19:56:35,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:35,054 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 448 transitions. [2024-11-27 19:56:35,054 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) [2024-11-27 19:56:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 448 transitions. [2024-11-27 19:56:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-27 19:56:35,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:35,055 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:35,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 19:56:35,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:35,256 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:35,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1819542280, now seen corresponding path program 1 times [2024-11-27 19:56:35,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:35,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1662013764] [2024-11-27 19:56:35,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:35,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:35,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:35,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:35,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 19:56:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:35,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 19:56:35,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:35,496 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 19:56:35,497 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 19:56:35,498 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 19:56:35,507 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 [2024-11-27 19:56:35,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:56:35,601 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 [2024-11-27 19:56:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:35,628 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:56:35,628 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:35,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662013764] [2024-11-27 19:56:35,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662013764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:35,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:35,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:56:35,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24537867] [2024-11-27 19:56:35,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:35,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:56:35,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:35,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:56:35,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:56:35,629 INFO L87 Difference]: Start difference. First operand 348 states and 448 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) [2024-11-27 19:56:36,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:36,266 INFO L93 Difference]: Finished difference Result 532 states and 692 transitions. [2024-11-27 19:56:36,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:56:36,267 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 [2024-11-27 19:56:36,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:36,270 INFO L225 Difference]: With dead ends: 532 [2024-11-27 19:56:36,270 INFO L226 Difference]: Without dead ends: 532 [2024-11-27 19:56:36,270 INFO L434 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 [2024-11-27 19:56:36,271 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 236 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:36,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 888 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 19:56:36,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-27 19:56:36,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 347. [2024-11-27 19:56:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 324 states have (on average 1.2839506172839505) internal successors, (416), 329 states have internal predecessors, (416), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 19:56:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 446 transitions. [2024-11-27 19:56:36,292 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 446 transitions. Word has length 15 [2024-11-27 19:56:36,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:36,293 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 446 transitions. [2024-11-27 19:56:36,293 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) [2024-11-27 19:56:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 446 transitions. [2024-11-27 19:56:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-27 19:56:36,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:36,294 INFO L218 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, 1] [2024-11-27 19:56:36,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 19:56:36,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:36,495 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:36,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:36,495 INFO L85 PathProgramCache]: Analyzing trace with hash -409976656, now seen corresponding path program 1 times [2024-11-27 19:56:36,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:36,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843180221] [2024-11-27 19:56:36,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:36,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:36,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:36,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:36,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 19:56:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:36,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:56:36,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:36,868 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:56:36,868 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:36,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843180221] [2024-11-27 19:56:36,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843180221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:36,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:36,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:56:36,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024818139] [2024-11-27 19:56:36,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:36,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:36,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:36,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:36,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:36,869 INFO L87 Difference]: Start difference. First operand 347 states and 446 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-27 19:56:37,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:37,032 INFO L93 Difference]: Finished difference Result 387 states and 486 transitions. [2024-11-27 19:56:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:37,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 51 [2024-11-27 19:56:37,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:37,034 INFO L225 Difference]: With dead ends: 387 [2024-11-27 19:56:37,034 INFO L226 Difference]: Without dead ends: 387 [2024-11-27 19:56:37,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:37,035 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 9 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:37,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 541 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:56:37,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-27 19:56:37,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2024-11-27 19:56:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 364 states have (on average 1.2527472527472527) internal successors, (456), 369 states have internal predecessors, (456), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 19:56:37,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 486 transitions. [2024-11-27 19:56:37,069 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 486 transitions. Word has length 51 [2024-11-27 19:56:37,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:37,069 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 486 transitions. [2024-11-27 19:56:37,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-27 19:56:37,069 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 486 transitions. [2024-11-27 19:56:37,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-27 19:56:37,070 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:37,071 INFO L218 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, 1] [2024-11-27 19:56:37,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 19:56:37,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:37,272 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:37,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:37,273 INFO L85 PathProgramCache]: Analyzing trace with hash -234464588, now seen corresponding path program 1 times [2024-11-27 19:56:37,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:37,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [10339711] [2024-11-27 19:56:37,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:37,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:37,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:37,277 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:37,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 19:56:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:37,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:56:37,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:37,674 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:56:37,674 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:37,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10339711] [2024-11-27 19:56:37,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10339711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:37,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:37,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:56:37,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519967875] [2024-11-27 19:56:37,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:37,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:56:37,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:37,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:56:37,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:56:37,676 INFO L87 Difference]: Start difference. First operand 387 states and 486 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-27 19:56:37,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:37,866 INFO L93 Difference]: Finished difference Result 351 states and 428 transitions. [2024-11-27 19:56:37,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:56:37,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 51 [2024-11-27 19:56:37,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:37,868 INFO L225 Difference]: With dead ends: 351 [2024-11-27 19:56:37,869 INFO L226 Difference]: Without dead ends: 351 [2024-11-27 19:56:37,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:56:37,871 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 32 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 778 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 [2024-11-27 19:56:37,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 778 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:56:37,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-27 19:56:37,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2024-11-27 19:56:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 328 states have (on average 1.2134146341463414) internal successors, (398), 333 states have internal predecessors, (398), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 19:56:37,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 428 transitions. [2024-11-27 19:56:37,894 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 428 transitions. Word has length 51 [2024-11-27 19:56:37,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:37,894 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 428 transitions. [2024-11-27 19:56:37,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-27 19:56:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 428 transitions. [2024-11-27 19:56:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-27 19:56:37,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:37,899 INFO L218 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, 1] [2024-11-27 19:56:37,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 19:56:38,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:38,100 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:38,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:38,101 INFO L85 PathProgramCache]: Analyzing trace with hash 242751718, now seen corresponding path program 1 times [2024-11-27 19:56:38,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:38,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1775802684] [2024-11-27 19:56:38,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:38,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:38,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:38,104 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:38,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 19:56:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:38,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 19:56:38,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:38,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:38,806 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:56:38,806 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:38,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775802684] [2024-11-27 19:56:38,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775802684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:38,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:38,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 19:56:38,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928167416] [2024-11-27 19:56:38,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:38,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:56:38,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:38,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:56:38,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:56:38,808 INFO L87 Difference]: Start difference. First operand 351 states and 428 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-27 19:56:39,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:39,004 INFO L93 Difference]: Finished difference Result 360 states and 438 transitions. [2024-11-27 19:56:39,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 19:56:39,005 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 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 51 [2024-11-27 19:56:39,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:39,009 INFO L225 Difference]: With dead ends: 360 [2024-11-27 19:56:39,009 INFO L226 Difference]: Without dead ends: 360 [2024-11-27 19:56:39,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:56:39,010 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 8 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:39,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1437 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:56:39,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-27 19:56:39,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 359. [2024-11-27 19:56:39,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 333 states have (on average 1.2102102102102101) internal successors, (403), 339 states have internal predecessors, (403), 19 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-27 19:56:39,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 437 transitions. [2024-11-27 19:56:39,025 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 437 transitions. Word has length 51 [2024-11-27 19:56:39,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:39,025 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 437 transitions. [2024-11-27 19:56:39,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-27 19:56:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 437 transitions. [2024-11-27 19:56:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-27 19:56:39,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:39,028 INFO L218 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, 1] [2024-11-27 19:56:39,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 19:56:39,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:39,228 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:39,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:39,229 INFO L85 PathProgramCache]: Analyzing trace with hash -456677214, now seen corresponding path program 1 times [2024-11-27 19:56:39,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:39,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1349695973] [2024-11-27 19:56:39,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:39,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:39,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:39,232 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:39,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 19:56:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:39,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 19:56:39,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:39,850 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:56:39,850 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:39,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349695973] [2024-11-27 19:56:39,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349695973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:39,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:39,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:56:39,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204157104] [2024-11-27 19:56:39,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:39,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:56:39,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:39,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:56:39,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:56:39,853 INFO L87 Difference]: Start difference. First operand 359 states and 437 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-11-27 19:56:40,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:40,242 INFO L93 Difference]: Finished difference Result 947 states and 1176 transitions. [2024-11-27 19:56:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:56:40,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 71 [2024-11-27 19:56:40,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:40,248 INFO L225 Difference]: With dead ends: 947 [2024-11-27 19:56:40,248 INFO L226 Difference]: Without dead ends: 947 [2024-11-27 19:56:40,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:56:40,249 INFO L435 NwaCegarLoop]: 634 mSDtfsCounter, 521 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:40,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1480 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:56:40,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-11-27 19:56:40,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 890. [2024-11-27 19:56:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 844 states have (on average 1.2322274881516588) internal successors, (1040), 851 states have internal predecessors, (1040), 33 states have call successors, (33), 12 states have call predecessors, (33), 11 states have return successors, (32), 26 states have call predecessors, (32), 29 states have call successors, (32) [2024-11-27 19:56:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1105 transitions. [2024-11-27 19:56:40,289 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1105 transitions. Word has length 71 [2024-11-27 19:56:40,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:40,290 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1105 transitions. [2024-11-27 19:56:40,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-11-27 19:56:40,290 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1105 transitions. [2024-11-27 19:56:40,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-27 19:56:40,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:40,292 INFO L218 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, 1] [2024-11-27 19:56:40,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 19:56:40,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:40,493 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:40,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:40,493 INFO L85 PathProgramCache]: Analyzing trace with hash -36727708, now seen corresponding path program 1 times [2024-11-27 19:56:40,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:40,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783862558] [2024-11-27 19:56:40,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:40,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:40,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:40,496 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:40,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 19:56:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:40,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 19:56:41,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 19:56:41,056 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:56:41,057 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:41,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783862558] [2024-11-27 19:56:41,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783862558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:41,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:41,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:56:41,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115471593] [2024-11-27 19:56:41,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:41,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:56:41,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:41,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:56:41,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:56:41,059 INFO L87 Difference]: Start difference. First operand 890 states and 1105 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-27 19:56:41,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:41,131 INFO L93 Difference]: Finished difference Result 902 states and 1120 transitions. [2024-11-27 19:56:41,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:56:41,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 97 [2024-11-27 19:56:41,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:41,137 INFO L225 Difference]: With dead ends: 902 [2024-11-27 19:56:41,137 INFO L226 Difference]: Without dead ends: 902 [2024-11-27 19:56:41,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:56:41,138 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 0 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 841 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 [2024-11-27 19:56:41,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 841 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:56:41,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-27 19:56:41,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 902. [2024-11-27 19:56:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 853 states have (on average 1.2332942555685815) internal successors, (1052), 863 states have internal predecessors, (1052), 33 states have call successors, (33), 12 states have call predecessors, (33), 14 states have return successors, (35), 26 states have call predecessors, (35), 29 states have call successors, (35) [2024-11-27 19:56:41,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1120 transitions. [2024-11-27 19:56:41,168 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1120 transitions. Word has length 97 [2024-11-27 19:56:41,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:41,169 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1120 transitions. [2024-11-27 19:56:41,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-27 19:56:41,169 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1120 transitions. [2024-11-27 19:56:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 19:56:41,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:41,171 INFO L218 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, 1] [2024-11-27 19:56:41,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 19:56:41,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:41,371 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:41,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:41,372 INFO L85 PathProgramCache]: Analyzing trace with hash 870411298, now seen corresponding path program 1 times [2024-11-27 19:56:41,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:41,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1405163356] [2024-11-27 19:56:41,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:41,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:41,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:41,374 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:41,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 19:56:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:41,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 19:56:41,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 19:56:42,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:56:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 19:56:43,109 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:43,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405163356] [2024-11-27 19:56:43,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405163356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:56:43,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 19:56:43,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-27 19:56:43,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356220711] [2024-11-27 19:56:43,110 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 19:56:43,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 19:56:43,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:43,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 19:56:43,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-27 19:56:43,112 INFO L87 Difference]: Start difference. First operand 902 states and 1120 transitions. Second operand has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 12 states have internal predecessors, (162), 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) [2024-11-27 19:56:46,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:46,485 INFO L93 Difference]: Finished difference Result 3400 states and 4264 transitions. [2024-11-27 19:56:46,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 19:56:46,487 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 12 states have internal predecessors, (162), 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 99 [2024-11-27 19:56:46,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:46,505 INFO L225 Difference]: With dead ends: 3400 [2024-11-27 19:56:46,506 INFO L226 Difference]: Without dead ends: 3400 [2024-11-27 19:56:46,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2024-11-27 19:56:46,509 INFO L435 NwaCegarLoop]: 979 mSDtfsCounter, 3353 mSDsluCounter, 6434 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 7413 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:46,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3384 Valid, 7413 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-27 19:56:46,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3400 states. [2024-11-27 19:56:46,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3400 to 2518. [2024-11-27 19:56:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 2418 states have (on average 1.239867659222498) internal successors, (2998), 2436 states have internal predecessors, (2998), 69 states have call successors, (69), 26 states have call predecessors, (69), 29 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2024-11-27 19:56:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3141 transitions. [2024-11-27 19:56:46,591 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3141 transitions. Word has length 99 [2024-11-27 19:56:46,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:46,592 INFO L471 AbstractCegarLoop]: Abstraction has 2518 states and 3141 transitions. [2024-11-27 19:56:46,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 12 states have internal predecessors, (162), 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) [2024-11-27 19:56:46,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3141 transitions. [2024-11-27 19:56:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 19:56:46,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:46,593 INFO L218 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, 1] [2024-11-27 19:56:46,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 19:56:46,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:46,797 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:46,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:46,798 INFO L85 PathProgramCache]: Analyzing trace with hash -295317679, now seen corresponding path program 1 times [2024-11-27 19:56:46,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:46,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1443564546] [2024-11-27 19:56:46,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:46,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:46,803 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:46,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 19:56:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:47,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 19:56:47,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:47,422 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 19:56:47,423 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 19:56:47,424 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 19:56:47,426 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 [2024-11-27 19:56:47,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:56:47,504 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 [2024-11-27 19:56:47,527 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-27 19:56:47,528 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:56:47,528 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:47,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443564546] [2024-11-27 19:56:47,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443564546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:47,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:47,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:56:47,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517304867] [2024-11-27 19:56:47,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:47,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:56:47,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:47,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:56:47,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:56:47,532 INFO L87 Difference]: Start difference. First operand 2518 states and 3141 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-11-27 19:56:48,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:48,310 INFO L93 Difference]: Finished difference Result 3545 states and 4494 transitions. [2024-11-27 19:56:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:56:48,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 107 [2024-11-27 19:56:48,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:48,325 INFO L225 Difference]: With dead ends: 3545 [2024-11-27 19:56:48,326 INFO L226 Difference]: Without dead ends: 3545 [2024-11-27 19:56:48,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:56:48,327 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 220 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:48,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 784 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 19:56:48,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3545 states. [2024-11-27 19:56:48,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3545 to 2534. [2024-11-27 19:56:48,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 2434 states have (on average 1.238290879211175) internal successors, (3014), 2452 states have internal predecessors, (3014), 69 states have call successors, (69), 26 states have call predecessors, (69), 29 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2024-11-27 19:56:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3157 transitions. [2024-11-27 19:56:48,446 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3157 transitions. Word has length 107 [2024-11-27 19:56:48,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:48,447 INFO L471 AbstractCegarLoop]: Abstraction has 2534 states and 3157 transitions. [2024-11-27 19:56:48,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-11-27 19:56:48,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3157 transitions. [2024-11-27 19:56:48,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-27 19:56:48,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:48,450 INFO L218 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, 1] [2024-11-27 19:56:48,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 19:56:48,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:48,651 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:48,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:48,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1836113047, now seen corresponding path program 1 times [2024-11-27 19:56:48,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:48,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323262255] [2024-11-27 19:56:48,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:48,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:48,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:48,656 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:48,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 19:56:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:49,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 19:56:49,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 19:56:49,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:56:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 19:56:49,688 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:56:49,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323262255] [2024-11-27 19:56:49,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323262255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:56:49,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 19:56:49,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-27 19:56:49,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411981322] [2024-11-27 19:56:49,689 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 19:56:49,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:56:49,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:56:49,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:56:49,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:56:49,690 INFO L87 Difference]: Start difference. First operand 2534 states and 3157 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 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) [2024-11-27 19:56:49,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:56:49,943 INFO L93 Difference]: Finished difference Result 2612 states and 3271 transitions. [2024-11-27 19:56:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 19:56:49,945 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 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 114 [2024-11-27 19:56:49,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:56:49,952 INFO L225 Difference]: With dead ends: 2612 [2024-11-27 19:56:49,952 INFO L226 Difference]: Without dead ends: 2612 [2024-11-27 19:56:49,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-27 19:56:49,953 INFO L435 NwaCegarLoop]: 281 mSDtfsCounter, 5 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:56:49,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 840 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:56:49,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2024-11-27 19:56:49,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2594. [2024-11-27 19:56:50,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2594 states, 2488 states have (on average 1.247588424437299) internal successors, (3104), 2506 states have internal predecessors, (3104), 69 states have call successors, (69), 32 states have call predecessors, (69), 35 states have return successors, (80), 55 states have call predecessors, (80), 65 states have call successors, (80) [2024-11-27 19:56:50,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3253 transitions. [2024-11-27 19:56:50,009 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3253 transitions. Word has length 114 [2024-11-27 19:56:50,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:56:50,010 INFO L471 AbstractCegarLoop]: Abstraction has 2594 states and 3253 transitions. [2024-11-27 19:56:50,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 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) [2024-11-27 19:56:50,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3253 transitions. [2024-11-27 19:56:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-27 19:56:50,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:56:50,011 INFO L218 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, 1] [2024-11-27 19:56:50,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 19:56:50,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:50,212 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 19:56:50,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:50,212 INFO L85 PathProgramCache]: Analyzing trace with hash -792457529, now seen corresponding path program 2 times [2024-11-27 19:56:50,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:56:50,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377539312] [2024-11-27 19:56:50,213 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:56:50,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:56:50,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:50,215 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:56:50,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 20:05:40,803 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:05:40,803 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:05:40,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:05:40,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:05:41,037 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:05:41,481 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:05:41,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377539312] [2024-11-27 20:05:41,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377539312] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:05:41,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:05:41,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-27 20:05:41,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170154577] [2024-11-27 20:05:41,482 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:41,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:05:41,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:05:41,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:05:41,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:05:41,485 INFO L87 Difference]: Start difference. First operand 2594 states and 3253 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-11-27 20:05:42,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:42,074 INFO L93 Difference]: Finished difference Result 2654 states and 3325 transitions. [2024-11-27 20:05:42,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:05:42,075 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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 118 [2024-11-27 20:05:42,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:42,084 INFO L225 Difference]: With dead ends: 2654 [2024-11-27 20:05:42,085 INFO L226 Difference]: Without dead ends: 2636 [2024-11-27 20:05:42,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:05:42,085 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 6 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:42,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1675 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:05:42,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2024-11-27 20:05:42,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2618. [2024-11-27 20:05:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2618 states, 2512 states have (on average 1.25) internal successors, (3140), 2530 states have internal predecessors, (3140), 69 states have call successors, (69), 32 states have call predecessors, (69), 35 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2024-11-27 20:05:42,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 3283 transitions. [2024-11-27 20:05:42,161 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 3283 transitions. Word has length 118 [2024-11-27 20:05:42,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:42,161 INFO L471 AbstractCegarLoop]: Abstraction has 2618 states and 3283 transitions. [2024-11-27 20:05:42,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-11-27 20:05:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 3283 transitions. [2024-11-27 20:05:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-27 20:05:42,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:42,164 INFO L218 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, 1] [2024-11-27 20:05:42,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:42,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:42,365 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 20:05:42,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:42,366 INFO L85 PathProgramCache]: Analyzing trace with hash 958324999, now seen corresponding path program 3 times [2024-11-27 20:05:42,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:05:42,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859702999] [2024-11-27 20:05:42,367 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:05:42,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:42,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:42,370 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:42,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe64ecb-cae6-4ad9-889d-9fc4707e8a1d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process