./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:34:16,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:34:16,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-28 03:34:16,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:34:16,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:34:16,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:34:16,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:34:16,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:34:16,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:34:16,577 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:34:16,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:34:16,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:34:16,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:34:16,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:34:16,579 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:34:16,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:34:16,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:34:16,580 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:34:16,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:34:16,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:34:16,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:34:16,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:34:16,580 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:34:16,580 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:34:16,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:34:16,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:34:16,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:34:16,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:34:16,581 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:34:16,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:34:16,581 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:34:16,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:34:16,582 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:34:16,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:34:16,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:34:16,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:34:16,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:16,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:34:16,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:34:16,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:34:16,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:34:16,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:16,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:34:16,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:34:16,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:34:16,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:34:16,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:34:16,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:34:16,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:34:16,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:34:16,585 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_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2024-11-28 03:34:16,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:34:16,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:34:16,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:34:16,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:34:16,907 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:34:16,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2024-11-28 03:34:19,810 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/data/d985e773c/65f885fafa6444348feb452aec55ebdd/FLAG4aa564612 [2024-11-28 03:34:20,281 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:34:20,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2024-11-28 03:34:20,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/data/d985e773c/65f885fafa6444348feb452aec55ebdd/FLAG4aa564612 [2024-11-28 03:34:20,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/data/d985e773c/65f885fafa6444348feb452aec55ebdd [2024-11-28 03:34:20,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:34:20,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:34:20,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:20,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:34:20,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:34:20,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:20" (1/1) ... [2024-11-28 03:34:20,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b185fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:20, skipping insertion in model container [2024-11-28 03:34:20,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:20" (1/1) ... [2024-11-28 03:34:20,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:34:21,148 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,205 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,208 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,212 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,219 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,255 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,255 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,258 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,258 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,262 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,264 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,265 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,265 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,270 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,276 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,280 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,285 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,287 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,288 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,296 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:21,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:21,321 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) [2024-11-28 03:34:21,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69b1148e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:21, skipping insertion in model container [2024-11-28 03:34:21,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:21,326 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 03:34:21,328 INFO L158 Benchmark]: Toolchain (without parser) took 1008.52ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 67.2MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:34:21,332 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:21,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1006.03ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 67.3MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:34:21,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1006.03ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 67.3MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:34:23,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:34:23,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-28 03:34:23,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:34:23,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:34:23,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:34:23,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:34:23,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:34:23,994 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:34:23,994 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:34:23,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:34:23,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:34:23,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:34:23,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:34:23,995 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:34:23,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:34:23,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:34:23,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:34:23,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:34:23,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:34:23,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:34:23,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:34:23,997 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:34:23,997 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:34:23,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:34:23,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:34:23,998 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:34:23,998 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:34:23,998 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:34:23,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:34:23,998 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:34:23,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:34:23,998 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:34:23,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:34:23,998 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:34:23,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:34:23,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:23,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:23,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:34:23,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:34:24,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:34:24,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:34:24,000 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_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2024-11-28 03:34:24,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:34:24,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:34:24,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:34:24,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:34:24,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:34:24,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2024-11-28 03:34:27,399 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/data/09c2f37f4/9ec446d8fb274b599cf2ef6618199140/FLAGe0fa59e33 [2024-11-28 03:34:27,807 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:34:27,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2024-11-28 03:34:27,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/data/09c2f37f4/9ec446d8fb274b599cf2ef6618199140/FLAGe0fa59e33 [2024-11-28 03:34:27,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/data/09c2f37f4/9ec446d8fb274b599cf2ef6618199140 [2024-11-28 03:34:27,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:34:27,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:34:27,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:27,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:34:27,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:34:27,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:27" (1/1) ... [2024-11-28 03:34:27,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a11f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:27, skipping insertion in model container [2024-11-28 03:34:27,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:27" (1/1) ... [2024-11-28 03:34:27,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:34:28,673 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,731 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,742 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,750 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,758 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,822 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,822 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,827 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,828 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,831 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,833 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,834 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,835 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,839 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,841 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,844 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,848 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,849 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,850 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,857 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:28,888 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-28 03:34:28,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:34:28,947 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,964 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,967 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,970 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:28,975 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,021 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,025 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,027 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,027 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,032 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,037 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,039 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,039 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,044 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,050 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,054 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,055 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,058 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,062 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,066 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:34:29,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:29,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:34:29,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:29,285 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:34:29,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29 WrapperNode [2024-11-28 03:34:29,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:29,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:34:29,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:34:29,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:34:29,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,419 INFO L138 Inliner]: procedures = 286, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1193 [2024-11-28 03:34:29,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:34:29,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:34:29,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:34:29,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:34:29,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,630 INFO L175 MemorySlicer]: Split 318 memory accesses to 4 slices as follows [2, 12, 34, 270]. 85 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 62 writes are split as follows [0, 1, 4, 57]. [2024-11-28 03:34:29,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,710 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:34:29,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:34:29,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:34:29,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:34:29,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (1/1) ... [2024-11-28 03:34:29,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:29,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:29,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:29,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:34:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 03:34:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:34:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 03:34:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-28 03:34:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-28 03:34:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:34:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:34:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:34:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:34:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-28 03:34:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-28 03:34:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:34:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:34:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:34:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:34:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-28 03:34:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-28 03:34:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:34:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:34:30,135 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:34:30,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:34:38,750 INFO L? ?]: Removed 169 outVars from TransFormulas that were not future-live. [2024-11-28 03:34:38,750 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:34:38,764 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:34:38,765 INFO L312 CfgBuilder]: Removed 41 assume(true) statements. [2024-11-28 03:34:38,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:38 BoogieIcfgContainer [2024-11-28 03:34:38,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:34:38,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:34:38,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:34:38,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:34:38,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:34:27" (1/3) ... [2024-11-28 03:34:38,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ada7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:34:38, skipping insertion in model container [2024-11-28 03:34:38,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:29" (2/3) ... [2024-11-28 03:34:38,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ada7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:34:38, skipping insertion in model container [2024-11-28 03:34:38,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:38" (3/3) ... [2024-11-28 03:34:38,774 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-2.i [2024-11-28 03:34:38,788 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:34:38,789 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test6-2.i that has 6 procedures, 274 locations, 1 initial locations, 41 loop locations, and 2 error locations. [2024-11-28 03:34:38,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:34:38,854 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;@1bdab4dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:34:38,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 03:34:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 274 states, 247 states have (on average 1.5951417004048583) internal successors, (394), 252 states have internal predecessors, (394), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:34:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 03:34:38,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:38,866 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:38,866 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:38,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:38,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1597704195, now seen corresponding path program 1 times [2024-11-28 03:34:38,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:38,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1994946959] [2024-11-28 03:34:38,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:38,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:38,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:38,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:38,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:34:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:39,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:34:39,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:39,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:39,171 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:39,172 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:39,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994946959] [2024-11-28 03:34:39,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994946959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:39,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:39,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:34:39,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710358871] [2024-11-28 03:34:39,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:39,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:34:39,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:39,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:34:39,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:34:39,212 INFO L87 Difference]: Start difference. First operand has 274 states, 247 states have (on average 1.5951417004048583) internal successors, (394), 252 states have internal predecessors, (394), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:39,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:39,256 INFO L93 Difference]: Finished difference Result 269 states and 347 transitions. [2024-11-28 03:34:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:34:39,258 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-28 03:34:39,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:39,264 INFO L225 Difference]: With dead ends: 269 [2024-11-28 03:34:39,264 INFO L226 Difference]: Without dead ends: 267 [2024-11-28 03:34:39,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:34:39,269 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:39,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:34:39,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-28 03:34:39,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2024-11-28 03:34:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 242 states have (on average 1.2851239669421488) internal successors, (311), 247 states have internal predecessors, (311), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 03:34:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 345 transitions. [2024-11-28 03:34:39,324 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 345 transitions. Word has length 10 [2024-11-28 03:34:39,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:39,324 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 345 transitions. [2024-11-28 03:34:39,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 345 transitions. [2024-11-28 03:34:39,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 03:34:39,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:39,325 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:39,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:39,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:39,526 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:39,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:39,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1473748263, now seen corresponding path program 1 times [2024-11-28 03:34:39,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:39,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [955192344] [2024-11-28 03:34:39,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:39,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:39,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:39,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:39,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:34:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:39,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:34:39,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:40,000 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:40,000 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:40,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955192344] [2024-11-28 03:34:40,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955192344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:40,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:40,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:34:40,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548851845] [2024-11-28 03:34:40,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:40,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:34:40,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:40,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:34:40,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:40,003 INFO L87 Difference]: Start difference. First operand 267 states and 345 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:43,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:34:43,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:43,986 INFO L93 Difference]: Finished difference Result 425 states and 552 transitions. [2024-11-28 03:34:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:34:43,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-28 03:34:43,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:43,989 INFO L225 Difference]: With dead ends: 425 [2024-11-28 03:34:43,989 INFO L226 Difference]: Without dead ends: 425 [2024-11-28 03:34:43,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:34:43,990 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 188 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:43,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 911 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-28 03:34:43,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-28 03:34:44,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 389. [2024-11-28 03:34:44,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 361 states have (on average 1.2880886426592797) internal successors, (465), 366 states have internal predecessors, (465), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:34:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 505 transitions. [2024-11-28 03:34:44,027 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 505 transitions. Word has length 12 [2024-11-28 03:34:44,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:44,027 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 505 transitions. [2024-11-28 03:34:44,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 505 transitions. [2024-11-28 03:34:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:34:44,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:44,028 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:44,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:34:44,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:44,229 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:44,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:44,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1518341068, now seen corresponding path program 1 times [2024-11-28 03:34:44,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:44,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526052007] [2024-11-28 03:34:44,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:44,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:44,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:44,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:44,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:34:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:44,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:34:44,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:44,463 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 03:34:44,464 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 03:34:44,464 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 03:34:44,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-28 03:34:44,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:34:44,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-28 03:34:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:44,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:44,576 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:44,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526052007] [2024-11-28 03:34:44,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526052007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:44,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:44,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:34:44,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526553298] [2024-11-28 03:34:44,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:44,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:34:44,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:44,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:34:44,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:44,578 INFO L87 Difference]: Start difference. First operand 389 states and 505 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:45,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:45,233 INFO L93 Difference]: Finished difference Result 607 states and 796 transitions. [2024-11-28 03:34:45,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:34:45,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-28 03:34:45,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:45,236 INFO L225 Difference]: With dead ends: 607 [2024-11-28 03:34:45,236 INFO L226 Difference]: Without dead ends: 607 [2024-11-28 03:34:45,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:34:45,237 INFO L435 NwaCegarLoop]: 413 mSDtfsCounter, 279 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:45,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1137 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:34:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-28 03:34:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 388. [2024-11-28 03:34:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 360 states have (on average 1.2861111111111112) internal successors, (463), 365 states have internal predecessors, (463), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:34:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 503 transitions. [2024-11-28 03:34:45,255 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 503 transitions. Word has length 15 [2024-11-28 03:34:45,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:45,256 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 503 transitions. [2024-11-28 03:34:45,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 503 transitions. [2024-11-28 03:34:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 03:34:45,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:45,257 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:45,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:45,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:45,458 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:45,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:45,458 INFO L85 PathProgramCache]: Analyzing trace with hash 95605499, now seen corresponding path program 1 times [2024-11-28 03:34:45,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:45,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1366700627] [2024-11-28 03:34:45,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:45,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:45,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:45,463 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:45,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:34:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:45,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:34:45,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:45,818 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:45,818 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:45,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366700627] [2024-11-28 03:34:45,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366700627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:45,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:45,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:34:45,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729457267] [2024-11-28 03:34:45,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:45,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:34:45,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:45,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:45,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:45,820 INFO L87 Difference]: Start difference. First operand 388 states and 503 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:45,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:45,975 INFO L93 Difference]: Finished difference Result 428 states and 543 transitions. [2024-11-28 03:34:45,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:45,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-28 03:34:45,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:45,977 INFO L225 Difference]: With dead ends: 428 [2024-11-28 03:34:45,977 INFO L226 Difference]: Without dead ends: 428 [2024-11-28 03:34:45,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:45,978 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 9 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:45,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 635 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:34:45,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-28 03:34:45,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2024-11-28 03:34:45,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 400 states have (on average 1.2575) internal successors, (503), 405 states have internal predecessors, (503), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:34:45,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 543 transitions. [2024-11-28 03:34:46,001 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 543 transitions. Word has length 51 [2024-11-28 03:34:46,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:46,001 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 543 transitions. [2024-11-28 03:34:46,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:46,002 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 543 transitions. [2024-11-28 03:34:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 03:34:46,003 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:46,003 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:46,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:34:46,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:46,204 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:46,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:46,204 INFO L85 PathProgramCache]: Analyzing trace with hash 271117567, now seen corresponding path program 1 times [2024-11-28 03:34:46,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:46,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521178206] [2024-11-28 03:34:46,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:46,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:46,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:46,206 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:46,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:34:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:46,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:34:46,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:46,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:46,591 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:46,591 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:46,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521178206] [2024-11-28 03:34:46,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521178206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:46,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:46,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:34:46,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795534765] [2024-11-28 03:34:46,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:46,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:34:46,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:46,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:34:46,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:46,593 INFO L87 Difference]: Start difference. First operand 428 states and 543 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:46,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:46,750 INFO L93 Difference]: Finished difference Result 392 states and 485 transitions. [2024-11-28 03:34:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:34:46,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-28 03:34:46,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:46,753 INFO L225 Difference]: With dead ends: 392 [2024-11-28 03:34:46,753 INFO L226 Difference]: Without dead ends: 392 [2024-11-28 03:34:46,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:34:46,754 INFO L435 NwaCegarLoop]: 311 mSDtfsCounter, 32 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:46,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 919 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:34:46,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-28 03:34:46,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2024-11-28 03:34:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 364 states have (on average 1.2225274725274726) internal successors, (445), 369 states have internal predecessors, (445), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:34:46,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 485 transitions. [2024-11-28 03:34:46,766 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 485 transitions. Word has length 51 [2024-11-28 03:34:46,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:46,766 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 485 transitions. [2024-11-28 03:34:46,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:46,766 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 485 transitions. [2024-11-28 03:34:46,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 03:34:46,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:46,768 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:46,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:34:46,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:46,968 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:46,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:46,969 INFO L85 PathProgramCache]: Analyzing trace with hash 748333873, now seen corresponding path program 1 times [2024-11-28 03:34:46,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:46,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [238655941] [2024-11-28 03:34:46,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:46,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:46,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:46,973 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:46,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:34:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:47,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:34:47,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:47,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:47,621 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:47,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238655941] [2024-11-28 03:34:47,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238655941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:47,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:47,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:34:47,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532477569] [2024-11-28 03:34:47,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:47,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:34:47,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:47,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:34:47,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:34:47,627 INFO L87 Difference]: Start difference. First operand 392 states and 485 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:47,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:47,784 INFO L93 Difference]: Finished difference Result 401 states and 495 transitions. [2024-11-28 03:34:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:34:47,786 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-28 03:34:47,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:47,789 INFO L225 Difference]: With dead ends: 401 [2024-11-28 03:34:47,789 INFO L226 Difference]: Without dead ends: 401 [2024-11-28 03:34:47,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:34:47,791 INFO L435 NwaCegarLoop]: 327 mSDtfsCounter, 8 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:47,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1672 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:34:47,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-28 03:34:47,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 400. [2024-11-28 03:34:47,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 369 states have (on average 1.2195121951219512) internal successors, (450), 375 states have internal predecessors, (450), 24 states have call successors, (24), 7 states have call predecessors, (24), 5 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:34:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 494 transitions. [2024-11-28 03:34:47,825 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 494 transitions. Word has length 51 [2024-11-28 03:34:47,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:47,825 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 494 transitions. [2024-11-28 03:34:47,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 494 transitions. [2024-11-28 03:34:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 03:34:47,827 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:47,827 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:47,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:34:48,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:48,027 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:48,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:48,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1576964020, now seen corresponding path program 1 times [2024-11-28 03:34:48,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:48,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703670651] [2024-11-28 03:34:48,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:48,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:48,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:48,031 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:48,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:34:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:48,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:34:48,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:48,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:48,537 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:48,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703670651] [2024-11-28 03:34:48,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703670651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:48,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:48,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:34:48,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369246588] [2024-11-28 03:34:48,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:48,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:34:48,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:48,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:34:48,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:48,538 INFO L87 Difference]: Start difference. First operand 400 states and 494 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:34:48,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:48,916 INFO L93 Difference]: Finished difference Result 1066 states and 1342 transitions. [2024-11-28 03:34:48,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:34:48,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 71 [2024-11-28 03:34:48,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:48,921 INFO L225 Difference]: With dead ends: 1066 [2024-11-28 03:34:48,922 INFO L226 Difference]: Without dead ends: 1066 [2024-11-28 03:34:48,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:48,922 INFO L435 NwaCegarLoop]: 728 mSDtfsCounter, 608 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:48,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 1713 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:34:48,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-11-28 03:34:48,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 979. [2024-11-28 03:34:48,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 917 states have (on average 1.2399127589967285) internal successors, (1137), 927 states have internal predecessors, (1137), 48 states have call successors, (48), 13 states have call predecessors, (48), 12 states have return successors, (47), 38 states have call predecessors, (47), 44 states have call successors, (47) [2024-11-28 03:34:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1232 transitions. [2024-11-28 03:34:48,953 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1232 transitions. Word has length 71 [2024-11-28 03:34:48,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:48,954 INFO L471 AbstractCegarLoop]: Abstraction has 979 states and 1232 transitions. [2024-11-28 03:34:48,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:34:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1232 transitions. [2024-11-28 03:34:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 03:34:48,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:48,955 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:48,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:34:49,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:49,156 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:49,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:49,156 INFO L85 PathProgramCache]: Analyzing trace with hash -282435594, now seen corresponding path program 1 times [2024-11-28 03:34:49,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:49,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1213952824] [2024-11-28 03:34:49,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:49,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:49,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:49,159 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:49,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:34:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:49,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:34:49,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:34:49,737 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:49,738 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:49,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213952824] [2024-11-28 03:34:49,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213952824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:49,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:49,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:34:49,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672919084] [2024-11-28 03:34:49,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:49,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:34:49,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:49,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:34:49,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:49,740 INFO L87 Difference]: Start difference. First operand 979 states and 1232 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 03:34:49,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:49,810 INFO L93 Difference]: Finished difference Result 991 states and 1247 transitions. [2024-11-28 03:34:49,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:34:49,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 97 [2024-11-28 03:34:49,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:49,819 INFO L225 Difference]: With dead ends: 991 [2024-11-28 03:34:49,819 INFO L226 Difference]: Without dead ends: 991 [2024-11-28 03:34:49,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:49,820 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 0 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:49,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 982 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:34:49,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2024-11-28 03:34:49,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2024-11-28 03:34:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 926 states have (on average 1.2408207343412527) internal successors, (1149), 939 states have internal predecessors, (1149), 48 states have call successors, (48), 13 states have call predecessors, (48), 15 states have return successors, (50), 38 states have call predecessors, (50), 44 states have call successors, (50) [2024-11-28 03:34:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1247 transitions. [2024-11-28 03:34:49,865 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1247 transitions. Word has length 97 [2024-11-28 03:34:49,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:49,866 INFO L471 AbstractCegarLoop]: Abstraction has 991 states and 1247 transitions. [2024-11-28 03:34:49,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 03:34:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1247 transitions. [2024-11-28 03:34:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 03:34:49,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:49,868 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:49,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:34:50,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:50,069 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:50,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:50,070 INFO L85 PathProgramCache]: Analyzing trace with hash -250361704, now seen corresponding path program 1 times [2024-11-28 03:34:50,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:50,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [551163707] [2024-11-28 03:34:50,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:50,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:50,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:50,072 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:50,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:34:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:50,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:34:50,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:34:51,095 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 03:34:51,442 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:51,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551163707] [2024-11-28 03:34:51,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551163707] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:51,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:34:51,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-28 03:34:51,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424911642] [2024-11-28 03:34:51,442 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:51,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:34:51,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:51,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:34:51,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:34:51,444 INFO L87 Difference]: Start difference. First operand 991 states and 1247 transitions. Second operand has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 12 states have internal predecessors, (162), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2024-11-28 03:34:54,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:54,627 INFO L93 Difference]: Finished difference Result 3888 states and 4947 transitions. [2024-11-28 03:34:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 03:34:54,628 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 12 states have internal predecessors, (162), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) Word has length 99 [2024-11-28 03:34:54,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:54,642 INFO L225 Difference]: With dead ends: 3888 [2024-11-28 03:34:54,643 INFO L226 Difference]: Without dead ends: 3888 [2024-11-28 03:34:54,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2024-11-28 03:34:54,644 INFO L435 NwaCegarLoop]: 1167 mSDtfsCounter, 4318 mSDsluCounter, 8035 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4349 SdHoareTripleChecker+Valid, 9202 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:54,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4349 Valid, 9202 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 1066 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 03:34:54,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3888 states. [2024-11-28 03:34:54,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3888 to 2888. [2024-11-28 03:34:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2888 states, 2720 states have (on average 1.250735294117647) internal successors, (3402), 2750 states have internal predecessors, (3402), 130 states have call successors, (130), 33 states have call predecessors, (130), 36 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2024-11-28 03:34:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2888 states and 3667 transitions. [2024-11-28 03:34:54,746 INFO L78 Accepts]: Start accepts. Automaton has 2888 states and 3667 transitions. Word has length 99 [2024-11-28 03:34:54,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:54,747 INFO L471 AbstractCegarLoop]: Abstraction has 2888 states and 3667 transitions. [2024-11-28 03:34:54,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 12 states have internal predecessors, (162), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2024-11-28 03:34:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3667 transitions. [2024-11-28 03:34:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 03:34:54,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:54,749 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:54,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:34:54,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:54,949 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:54,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:54,950 INFO L85 PathProgramCache]: Analyzing trace with hash -175359677, now seen corresponding path program 1 times [2024-11-28 03:34:54,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:54,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300203429] [2024-11-28 03:34:54,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:54,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:54,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:54,953 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:54,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:34:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:55,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:34:55,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:55,492 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 03:34:55,493 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 03:34:55,494 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 03:34:55,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-28 03:34:55,551 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:34:55,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-28 03:34:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 03:34:55,571 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:55,571 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:55,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300203429] [2024-11-28 03:34:55,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300203429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:55,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:55,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:34:55,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137077129] [2024-11-28 03:34:55,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:55,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:34:55,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:55,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:34:55,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:55,573 INFO L87 Difference]: Start difference. First operand 2888 states and 3667 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 03:34:56,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:56,289 INFO L93 Difference]: Finished difference Result 3915 states and 5020 transitions. [2024-11-28 03:34:56,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:34:56,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 107 [2024-11-28 03:34:56,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:56,302 INFO L225 Difference]: With dead ends: 3915 [2024-11-28 03:34:56,303 INFO L226 Difference]: Without dead ends: 3915 [2024-11-28 03:34:56,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:34:56,303 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 220 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:56,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 925 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:34:56,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2024-11-28 03:34:56,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 2904. [2024-11-28 03:34:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2904 states, 2736 states have (on average 1.2492690058479532) internal successors, (3418), 2766 states have internal predecessors, (3418), 130 states have call successors, (130), 33 states have call predecessors, (130), 36 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2024-11-28 03:34:56,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2904 states and 3683 transitions. [2024-11-28 03:34:56,385 INFO L78 Accepts]: Start accepts. Automaton has 2904 states and 3683 transitions. Word has length 107 [2024-11-28 03:34:56,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:56,386 INFO L471 AbstractCegarLoop]: Abstraction has 2904 states and 3683 transitions. [2024-11-28 03:34:56,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 03:34:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2904 states and 3683 transitions. [2024-11-28 03:34:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 03:34:56,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:56,388 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:56,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:56,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:56,589 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:56,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:56,589 INFO L85 PathProgramCache]: Analyzing trace with hash -926630594, now seen corresponding path program 1 times [2024-11-28 03:34:56,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:56,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1230754217] [2024-11-28 03:34:56,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:56,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:56,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:56,592 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:56,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 03:34:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:57,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:34:57,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-28 03:34:57,363 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:34:57,515 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:57,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230754217] [2024-11-28 03:34:57,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230754217] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:57,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:34:57,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-28 03:34:57,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048745469] [2024-11-28 03:34:57,516 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:57,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:34:57,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:57,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:34:57,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:34:57,517 INFO L87 Difference]: Start difference. First operand 2904 states and 3683 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 03:34:57,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:57,734 INFO L93 Difference]: Finished difference Result 2982 states and 3797 transitions. [2024-11-28 03:34:57,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:34:57,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 114 [2024-11-28 03:34:57,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:57,743 INFO L225 Difference]: With dead ends: 2982 [2024-11-28 03:34:57,744 INFO L226 Difference]: Without dead ends: 2982 [2024-11-28 03:34:57,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:34:57,744 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 5 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:57,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 981 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:34:57,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2024-11-28 03:34:57,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2964. [2024-11-28 03:34:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2790 states have (on average 1.257347670250896) internal successors, (3508), 2820 states have internal predecessors, (3508), 130 states have call successors, (130), 39 states have call predecessors, (130), 42 states have return successors, (141), 104 states have call predecessors, (141), 126 states have call successors, (141) [2024-11-28 03:34:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 3779 transitions. [2024-11-28 03:34:57,808 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 3779 transitions. Word has length 114 [2024-11-28 03:34:57,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:57,808 INFO L471 AbstractCegarLoop]: Abstraction has 2964 states and 3779 transitions. [2024-11-28 03:34:57,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 03:34:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 3779 transitions. [2024-11-28 03:34:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 03:34:57,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:57,810 INFO L218 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:57,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 03:34:58,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:58,011 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:34:58,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:58,011 INFO L85 PathProgramCache]: Analyzing trace with hash -509729536, now seen corresponding path program 2 times [2024-11-28 03:34:58,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:58,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743877695] [2024-11-28 03:34:58,012 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:34:58,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:58,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:58,017 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:58,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 03:38:02,929 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:38:02,929 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:38:02,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:38:02,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:38:03,099 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:38:03,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:38:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:38:03,410 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:38:03,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743877695] [2024-11-28 03:38:03,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743877695] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:38:03,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:38:03,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-28 03:38:03,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569934244] [2024-11-28 03:38:03,411 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:38:03,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:38:03,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:38:03,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:38:03,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:38:03,412 INFO L87 Difference]: Start difference. First operand 2964 states and 3779 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:38:03,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:38:03,954 INFO L93 Difference]: Finished difference Result 3024 states and 3851 transitions. [2024-11-28 03:38:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:38:03,955 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-11-28 03:38:03,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:38:03,963 INFO L225 Difference]: With dead ends: 3024 [2024-11-28 03:38:03,963 INFO L226 Difference]: Without dead ends: 3006 [2024-11-28 03:38:03,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:38:03,964 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 6 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:38:03,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1311 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:38:03,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3006 states. [2024-11-28 03:38:04,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3006 to 2988. [2024-11-28 03:38:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2814 states have (on average 1.259417199715707) internal successors, (3544), 2844 states have internal predecessors, (3544), 130 states have call successors, (130), 39 states have call predecessors, (130), 42 states have return successors, (135), 104 states have call predecessors, (135), 126 states have call successors, (135) [2024-11-28 03:38:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 3809 transitions. [2024-11-28 03:38:04,025 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 3809 transitions. Word has length 118 [2024-11-28 03:38:04,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:38:04,025 INFO L471 AbstractCegarLoop]: Abstraction has 2988 states and 3809 transitions. [2024-11-28 03:38:04,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:38:04,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3809 transitions. [2024-11-28 03:38:04,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 03:38:04,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:38:04,027 INFO L218 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:38:04,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 03:38:04,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:38:04,228 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:38:04,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:38:04,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1535543488, now seen corresponding path program 3 times [2024-11-28 03:38:04,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:38:04,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229804642] [2024-11-28 03:38:04,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:38:04,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:38:04,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:38:04,231 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:38:04,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8a9b02-b06d-4465-b9bd-1b0405802e3d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process