./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:24:52,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:24:52,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-13 16:24:52,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:24:52,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:24:52,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:24:52,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:24:52,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:24:52,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:24:52,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:24:52,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:24:52,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:24:52,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:24:52,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:24:52,376 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:24:52,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:24:52,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:24:52,377 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:24:52,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:24:52,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:24:52,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:24:52,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:24:52,377 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:24:52,378 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:24:52,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:24:52,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:24:52,378 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:24:52,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:24:52,379 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:24:52,379 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:24:52,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:24:52,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:24:52,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:24:52,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:24:52,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:24:52,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:24:52,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:24:52,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:24:52,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:24:52,381 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:24:52,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:24:52,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:24:52,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:24:52,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:24:52,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:24:52,382 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_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2024-11-13 16:24:52,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:24:52,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:24:52,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:24:52,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:24:52,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:24:52,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i Unable to find full path for "g++" [2024-11-13 16:24:54,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:24:55,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:24:55,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2024-11-13 16:24:55,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/data/6364a159e/c6ef661dce064efd83cd09a8bafc1a95/FLAG45820e98c [2024-11-13 16:24:55,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/data/6364a159e/c6ef661dce064efd83cd09a8bafc1a95 [2024-11-13 16:24:55,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:24:55,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:24:55,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:24:55,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:24:55,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:24:55,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:24:55" (1/1) ... [2024-11-13 16:24:55,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9ae295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:55, skipping insertion in model container [2024-11-13 16:24:55,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:24:55" (1/1) ... [2024-11-13 16:24:55,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:24:56,584 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,626 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,635 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,648 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,668 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,690 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,691 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,695 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,697 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,699 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,700 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,707 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:24:56,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:24:56,730 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-13 16:24:56,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b5bbe2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:56, skipping insertion in model container [2024-11-13 16:24:56,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:24:56,733 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-13 16:24:56,737 INFO L158 Benchmark]: Toolchain (without parser) took 886.48ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 99.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:24:56,740 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:24:56,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 882.86ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 99.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:24:56,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 882.86ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 99.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 764]: 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_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:24:59,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:25:00,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-13 16:25:00,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:25:00,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:25:00,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:25:00,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:25:00,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:25:00,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:25:00,058 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:25:00,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:25:00,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:25:00,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:25:00,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:25:00,059 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:25:00,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:25:00,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:25:00,060 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:25:00,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:25:00,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:25:00,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:25:00,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:25:00,065 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:25:00,065 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:25:00,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:25:00,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:25:00,065 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:25:00,065 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:25:00,066 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:25:00,066 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:25:00,066 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:25:00,066 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:25:00,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:25:00,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:25:00,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:25:00,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:25:00,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:25:00,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:25:00,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:25:00,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:25:00,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:25:00,067 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:25:00,067 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:25:00,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:25:00,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:25:00,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:25:00,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:25:00,068 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_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2024-11-13 16:25:00,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:25:00,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:25:00,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:25:00,504 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:25:00,504 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:25:00,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i Unable to find full path for "g++" [2024-11-13 16:25:02,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:25:03,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:25:03,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2024-11-13 16:25:03,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/data/f6453f27c/96888bc165b54a6aae7196dd0e6924de/FLAG3d04748b4 [2024-11-13 16:25:03,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/data/f6453f27c/96888bc165b54a6aae7196dd0e6924de [2024-11-13 16:25:03,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:25:03,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:25:03,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:25:03,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:25:03,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:25:03,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:25:03" (1/1) ... [2024-11-13 16:25:03,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5436ced0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:03, skipping insertion in model container [2024-11-13 16:25:03,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:25:03" (1/1) ... [2024-11-13 16:25:03,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:25:03,909 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:03,974 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:03,984 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:03,990 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,002 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,030 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,032 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,037 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,039 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,041 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,042 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,051 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:25:04,089 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-13 16:25:04,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:25:04,213 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,262 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,270 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,277 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,288 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,319 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,321 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,323 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,328 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,330 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,331 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,337 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:25:04,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:25:04,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:25:04,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:25:04,557 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:25:04,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04 WrapperNode [2024-11-13 16:25:04,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:25:04,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:25:04,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:25:04,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:25:04,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,695 INFO L138 Inliner]: procedures = 179, calls = 231, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 769 [2024-11-13 16:25:04,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:25:04,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:25:04,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:25:04,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:25:04,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,729 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,828 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-11-13 16:25:04,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:25:04,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:25:04,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:25:04,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:25:04,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (1/1) ... [2024-11-13 16:25:04,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:25:04,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:05,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:25:05,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:25:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-13 16:25:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-13 16:25:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 16:25:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 16:25:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:25:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:25:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 16:25:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 16:25:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 16:25:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 16:25:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:25:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:25:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 16:25:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 16:25:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 16:25:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 16:25:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:25:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 16:25:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 16:25:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:25:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 16:25:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:25:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:25:05,276 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:25:05,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:25:13,420 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-13 16:25:13,420 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:25:13,439 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:25:13,441 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-13 16:25:13,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:25:13 BoogieIcfgContainer [2024-11-13 16:25:13,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:25:13,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:25:13,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:25:13,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:25:13,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:25:03" (1/3) ... [2024-11-13 16:25:13,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57eaa72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:25:13, skipping insertion in model container [2024-11-13 16:25:13,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:25:04" (2/3) ... [2024-11-13 16:25:13,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57eaa72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:25:13, skipping insertion in model container [2024-11-13 16:25:13,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:25:13" (3/3) ... [2024-11-13 16:25:13,453 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-2.i [2024-11-13 16:25:13,471 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:25:13,473 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test1-2.i that has 4 procedures, 166 locations, 1 initial locations, 25 loop locations, and 2 error locations. [2024-11-13 16:25:13,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:25:13,536 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;@5ef8a4d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:25:13,538 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 16:25:13,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 144 states have (on average 1.6597222222222223) internal successors, (239), 156 states have internal predecessors, (239), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 16:25:13,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:25:13,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:25:13,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:13,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:25:13,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:13,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1230957113, now seen corresponding path program 1 times [2024-11-13 16:25:13,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:25:13,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1610544055] [2024-11-13 16:25:13,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:13,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:13,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:13,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:25:13,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:25:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:13,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:25:13,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:25:13,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:13,962 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:25:13,963 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:25:13,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610544055] [2024-11-13 16:25:13,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610544055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:13,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:13,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:25:13,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551477517] [2024-11-13 16:25:13,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:13,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:25:13,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:25:14,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:25:14,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:25:14,012 INFO L87 Difference]: Start difference. First operand has 162 states, 144 states have (on average 1.6597222222222223) internal successors, (239), 156 states have internal predecessors, (239), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:18,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:25:21,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:25:21,167 INFO L93 Difference]: Finished difference Result 237 states and 317 transitions. [2024-11-13 16:25:21,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:25:21,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 11 [2024-11-13 16:25:21,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:25:21,185 INFO L225 Difference]: With dead ends: 237 [2024-11-13 16:25:21,186 INFO L226 Difference]: Without dead ends: 235 [2024-11-13 16:25:21,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:25:21,192 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 96 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:25:21,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 627 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2024-11-13 16:25:21,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-13 16:25:21,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 205. [2024-11-13 16:25:21,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 188 states have (on average 1.324468085106383) internal successors, (249), 199 states have internal predecessors, (249), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 16:25:21,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 275 transitions. [2024-11-13 16:25:21,260 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 275 transitions. Word has length 11 [2024-11-13 16:25:21,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:25:21,261 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 275 transitions. [2024-11-13 16:25:21,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:21,261 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 275 transitions. [2024-11-13 16:25:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:25:21,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:25:21,262 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:21,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:25:21,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:21,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:25:21,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:21,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1178291976, now seen corresponding path program 1 times [2024-11-13 16:25:21,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:25:21,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580305521] [2024-11-13 16:25:21,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:21,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:21,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:21,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:25:21,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:25:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:21,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:25:21,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:25:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:25:21,700 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:25:21,700 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:25:21,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580305521] [2024-11-13 16:25:21,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580305521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:21,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:21,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:25:21,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475345883] [2024-11-13 16:25:21,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:21,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:21,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:25:21,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:21,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:21,705 INFO L87 Difference]: Start difference. First operand 205 states and 275 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:25,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:25:26,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:25:26,695 INFO L93 Difference]: Finished difference Result 207 states and 276 transitions. [2024-11-13 16:25:26,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:26,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-13 16:25:26,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:25:26,704 INFO L225 Difference]: With dead ends: 207 [2024-11-13 16:25:26,704 INFO L226 Difference]: Without dead ends: 199 [2024-11-13 16:25:26,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:26,705 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 0 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:25:26,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 421 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 16:25:26,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-13 16:25:26,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-13 16:25:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 182 states have (on average 1.3296703296703296) internal successors, (242), 193 states have internal predecessors, (242), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 16:25:26,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 268 transitions. [2024-11-13 16:25:26,732 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 268 transitions. Word has length 11 [2024-11-13 16:25:26,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:25:26,732 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 268 transitions. [2024-11-13 16:25:26,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:25:26,732 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 268 transitions. [2024-11-13 16:25:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 16:25:26,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:25:26,740 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:26,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:25:26,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:26,941 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:25:26,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:26,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1959080717, now seen corresponding path program 1 times [2024-11-13 16:25:26,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:25:26,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2106424111] [2024-11-13 16:25:26,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:26,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:26,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:26,945 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:25:26,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:25:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:27,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:25:27,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:25:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:25:27,601 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:25:27,602 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:25:27,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106424111] [2024-11-13 16:25:27,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106424111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:27,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:27,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:25:27,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248728258] [2024-11-13 16:25:27,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:27,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:25:27,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:25:27,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:25:27,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:27,608 INFO L87 Difference]: Start difference. First operand 199 states and 268 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 16:25:27,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:25:27,820 INFO L93 Difference]: Finished difference Result 239 states and 308 transitions. [2024-11-13 16:25:27,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:25:27,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2024-11-13 16:25:27,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:25:27,823 INFO L225 Difference]: With dead ends: 239 [2024-11-13 16:25:27,823 INFO L226 Difference]: Without dead ends: 239 [2024-11-13 16:25:27,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:25:27,824 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 9 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:25:27,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 377 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:25:27,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-13 16:25:27,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-11-13 16:25:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 222 states have (on average 1.2702702702702702) internal successors, (282), 233 states have internal predecessors, (282), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 16:25:27,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 308 transitions. [2024-11-13 16:25:27,860 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 308 transitions. Word has length 81 [2024-11-13 16:25:27,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:25:27,860 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 308 transitions. [2024-11-13 16:25:27,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 16:25:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 308 transitions. [2024-11-13 16:25:27,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 16:25:27,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:25:27,865 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:27,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 16:25:28,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:28,066 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:25:28,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:28,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1441727343, now seen corresponding path program 1 times [2024-11-13 16:25:28,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:25:28,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [265884662] [2024-11-13 16:25:28,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:28,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:28,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:28,070 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:25:28,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 16:25:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:28,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:25:28,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:25:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:25:28,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:25:28,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:25:28,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265884662] [2024-11-13 16:25:28,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265884662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:28,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:28,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:25:28,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789602142] [2024-11-13 16:25:28,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:28,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:25:28,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:25:28,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:25:28,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:25:28,690 INFO L87 Difference]: Start difference. First operand 239 states and 308 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 16:25:28,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:25:28,903 INFO L93 Difference]: Finished difference Result 205 states and 252 transitions. [2024-11-13 16:25:28,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:25:28,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2024-11-13 16:25:28,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:25:28,905 INFO L225 Difference]: With dead ends: 205 [2024-11-13 16:25:28,908 INFO L226 Difference]: Without dead ends: 205 [2024-11-13 16:25:28,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:25:28,909 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 32 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:25:28,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 535 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:25:28,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-13 16:25:28,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-13 16:25:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 188 states have (on average 1.202127659574468) internal successors, (226), 199 states have internal predecessors, (226), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 16:25:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 252 transitions. [2024-11-13 16:25:28,932 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 252 transitions. Word has length 81 [2024-11-13 16:25:28,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:25:28,934 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 252 transitions. [2024-11-13 16:25:28,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 16:25:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2024-11-13 16:25:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 16:25:28,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:25:28,937 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:28,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 16:25:29,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:29,138 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:25:29,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:29,138 INFO L85 PathProgramCache]: Analyzing trace with hash -815705219, now seen corresponding path program 1 times [2024-11-13 16:25:29,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:25:29,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981673797] [2024-11-13 16:25:29,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:29,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:29,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:29,142 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:25:29,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 16:25:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:29,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:25:29,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:25:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:25:29,871 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:25:29,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:25:29,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981673797] [2024-11-13 16:25:29,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981673797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:25:29,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:25:29,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:25:29,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920864677] [2024-11-13 16:25:29,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:25:29,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:25:29,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:25:29,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:25:29,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:25:29,874 INFO L87 Difference]: Start difference. First operand 205 states and 252 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 16:25:29,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:25:29,945 INFO L93 Difference]: Finished difference Result 208 states and 256 transitions. [2024-11-13 16:25:29,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:25:29,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2024-11-13 16:25:29,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:25:29,949 INFO L225 Difference]: With dead ends: 208 [2024-11-13 16:25:29,949 INFO L226 Difference]: Without dead ends: 208 [2024-11-13 16:25:29,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:25:29,950 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 0 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:25:29,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 602 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:25:29,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-13 16:25:29,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-11-13 16:25:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 190 states have (on average 1.2052631578947368) internal successors, (229), 202 states have internal predecessors, (229), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-13 16:25:29,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 256 transitions. [2024-11-13 16:25:29,980 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 256 transitions. Word has length 81 [2024-11-13 16:25:29,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:25:29,981 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 256 transitions. [2024-11-13 16:25:29,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 16:25:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 256 transitions. [2024-11-13 16:25:29,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 16:25:29,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:25:29,983 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:25:30,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:25:30,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:30,188 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:25:30,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash 502883483, now seen corresponding path program 1 times [2024-11-13 16:25:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:25:30,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1832221590] [2024-11-13 16:25:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:30,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:30,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:30,191 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:25:30,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 16:25:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:30,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:25:30,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:25:31,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 16:25:31,193 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:25:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 16:25:31,664 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:25:31,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832221590] [2024-11-13 16:25:31,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832221590] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:25:31,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:25:31,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-11-13 16:25:31,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806222056] [2024-11-13 16:25:31,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:25:31,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:25:31,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:25:31,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:25:31,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:25:31,668 INFO L87 Difference]: Start difference. First operand 208 states and 256 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 16:25:32,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:25:32,309 INFO L93 Difference]: Finished difference Result 440 states and 534 transitions. [2024-11-13 16:25:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:25:32,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 83 [2024-11-13 16:25:32,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:25:32,313 INFO L225 Difference]: With dead ends: 440 [2024-11-13 16:25:32,313 INFO L226 Difference]: Without dead ends: 440 [2024-11-13 16:25:32,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:25:32,314 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 444 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:25:32,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 982 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:25:32,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-13 16:25:32,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-13 16:25:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 413 states have (on average 1.1767554479418887) internal successors, (486), 425 states have internal predecessors, (486), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-11-13 16:25:32,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 534 transitions. [2024-11-13 16:25:32,334 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 534 transitions. Word has length 83 [2024-11-13 16:25:32,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:25:32,335 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 534 transitions. [2024-11-13 16:25:32,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 16:25:32,335 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 534 transitions. [2024-11-13 16:25:32,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-13 16:25:32,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:25:32,342 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-13 16:25:32,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 16:25:32,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:32,542 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:25:32,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:32,543 INFO L85 PathProgramCache]: Analyzing trace with hash -465573387, now seen corresponding path program 1 times [2024-11-13 16:25:32,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:25:32,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1471354452] [2024-11-13 16:25:32,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:25:32,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:32,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:32,546 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:25:32,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 16:25:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:25:33,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:25:33,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:25:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-13 16:25:33,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:25:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-13 16:25:34,131 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:25:34,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471354452] [2024-11-13 16:25:34,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471354452] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:25:34,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:25:34,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-13 16:25:34,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766027731] [2024-11-13 16:25:34,132 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:25:34,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:25:34,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:25:34,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:25:34,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:25:34,135 INFO L87 Difference]: Start difference. First operand 440 states and 534 transitions. Second operand has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 16:25:34,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:25:34,403 INFO L93 Difference]: Finished difference Result 451 states and 557 transitions. [2024-11-13 16:25:34,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:25:34,404 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 248 [2024-11-13 16:25:34,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:25:34,407 INFO L225 Difference]: With dead ends: 451 [2024-11-13 16:25:34,407 INFO L226 Difference]: Without dead ends: 451 [2024-11-13 16:25:34,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 488 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:25:34,409 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 4 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:25:34,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 997 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:25:34,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-13 16:25:34,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 449. [2024-11-13 16:25:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 421 states have (on average 1.187648456057007) internal successors, (500), 433 states have internal predecessors, (500), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (30), 13 states have call predecessors, (30), 22 states have call successors, (30) [2024-11-13 16:25:34,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 552 transitions. [2024-11-13 16:25:34,431 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 552 transitions. Word has length 248 [2024-11-13 16:25:34,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:25:34,432 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 552 transitions. [2024-11-13 16:25:34,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 16:25:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 552 transitions. [2024-11-13 16:25:34,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-13 16:25:34,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:25:34,439 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-13 16:25:34,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 16:25:34,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:34,640 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:25:34,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:34,641 INFO L85 PathProgramCache]: Analyzing trace with hash 555983251, now seen corresponding path program 2 times [2024-11-13 16:25:34,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:25:34,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [151090778] [2024-11-13 16:25:34,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:25:34,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:34,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:34,646 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:25:34,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 16:25:35,900 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 16:25:35,901 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:25:35,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:25:35,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:25:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-13 16:25:36,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:25:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 112 proven. 20 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-13 16:25:36,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:25:36,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151090778] [2024-11-13 16:25:36,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151090778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:25:36,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:25:36,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-13 16:25:36,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907428263] [2024-11-13 16:25:36,438 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:25:36,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:25:36,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:25:36,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:25:36,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:25:36,440 INFO L87 Difference]: Start difference. First operand 449 states and 552 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 16:25:37,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:25:37,008 INFO L93 Difference]: Finished difference Result 457 states and 562 transitions. [2024-11-13 16:25:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:25:37,010 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 252 [2024-11-13 16:25:37,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:25:37,013 INFO L225 Difference]: With dead ends: 457 [2024-11-13 16:25:37,013 INFO L226 Difference]: Without dead ends: 455 [2024-11-13 16:25:37,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:25:37,015 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 6 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:25:37,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 807 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:25:37,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-13 16:25:37,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 453. [2024-11-13 16:25:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 425 states have (on average 1.1905882352941177) internal successors, (506), 437 states have internal predecessors, (506), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-11-13 16:25:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 554 transitions. [2024-11-13 16:25:37,043 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 554 transitions. Word has length 252 [2024-11-13 16:25:37,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:25:37,043 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 554 transitions. [2024-11-13 16:25:37,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 16:25:37,044 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 554 transitions. [2024-11-13 16:25:37,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-13 16:25:37,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:25:37,049 INFO L215 NwaCegarLoop]: trace histogram [10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-13 16:25:37,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 16:25:37,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:37,250 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:25:37,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:25:37,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1174068717, now seen corresponding path program 3 times [2024-11-13 16:25:37,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:25:37,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [562052265] [2024-11-13 16:25:37,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 16:25:37,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:25:37,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:25:37,256 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:25:37,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cde8c1e-5706-40c2-9a7a-40c8acbc74f7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process