./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.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_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/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_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/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_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/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 b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:36:20,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:36:20,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-28 03:36:20,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:36:20,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:36:20,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:36:20,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:36:20,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:36:20,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:36:20,227 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:36:20,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:36:20,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:36:20,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:36:20,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:36:20,228 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:36:20,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:36:20,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:36:20,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:36:20,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:36:20,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:36:20,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:36:20,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:36:20,229 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:36:20,230 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:36:20,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:36:20,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:36:20,230 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:36:20,230 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:36:20,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:36:20,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:36:20,230 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:36:20,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:36:20,231 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:36:20,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:36:20,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:36:20,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:36:20,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:36:20,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:36:20,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:36:20,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:36:20,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:36:20,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:36:20,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:36:20,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:36:20,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:36:20,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:36:20,232 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:36:20,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:36:20,232 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:36:20,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:36:20,232 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_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/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 -> b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d [2024-11-28 03:36:20,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:36:20,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:36:20,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:36:20,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:36:20,602 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:36:20,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2024-11-28 03:36:23,723 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/data/93700ae4d/e3ff3cef89844bf79c1bd241ea309016/FLAG733d682b0 [2024-11-28 03:36:24,171 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:36:24,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2024-11-28 03:36:24,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/data/93700ae4d/e3ff3cef89844bf79c1bd241ea309016/FLAG733d682b0 [2024-11-28 03:36:24,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/data/93700ae4d/e3ff3cef89844bf79c1bd241ea309016 [2024-11-28 03:36:24,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:36:24,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:36:24,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:36:24,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:36:24,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:36:24,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:36:24" (1/1) ... [2024-11-28 03:36:24,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c0a7f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:24, skipping insertion in model container [2024-11-28 03:36:24,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:36:24" (1/1) ... [2024-11-28 03:36:24,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:36:24,668 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 03:36:24,728 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:36:24,734 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 03:36:24,738 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 03:36:24,746 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 03:36:24,799 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 03:36:24,800 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 03:36:24,803 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 03:36:24,803 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 03:36:24,810 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 03:36:24,812 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:36:24,813 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 03:36:24,814 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 03:36:24,821 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 03:36:24,824 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 03:36:24,826 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 03:36:24,827 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 03:36:24,828 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 03:36:24,833 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 03:36:24,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:36:24,858 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 03:36:24,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c296198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:24, skipping insertion in model container [2024-11-28 03:36:24,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:36:24,860 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 03:36:24,862 INFO L158 Benchmark]: Toolchain (without parser) took 655.59ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 94.9MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:36:24,863 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:36:24,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.23ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 94.9MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:36:24,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.23ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 94.9MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: 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_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/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_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/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_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/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 b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:36:27,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:36:27,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-28 03:36:27,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:36:27,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:36:27,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:36:27,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:36:27,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:36:27,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:36:27,691 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:36:27,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:36:27,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:36:27,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:36:27,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:36:27,693 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:36:27,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:36:27,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:36:27,694 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:36:27,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:36:27,694 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:36:27,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:36:27,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:36:27,694 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:36:27,694 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:36:27,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:36:27,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:36:27,695 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:36:27,695 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:36:27,695 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:36:27,695 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:36:27,695 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:36:27,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:36:27,695 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:36:27,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:36:27,695 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:36:27,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:36:27,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:36:27,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:36:27,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:36:27,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:36:27,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:36:27,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:36:27,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:36:27,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:36:27,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:36:27,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:36:27,698 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:36:27,699 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:36:27,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:36:27,699 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:36:27,699 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:36:27,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:36:27,700 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_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/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 -> b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d [2024-11-28 03:36:28,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:36:28,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:36:28,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:36:28,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:36:28,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:36:28,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2024-11-28 03:36:31,164 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/data/d1e0b8bf5/9afd5d0e4018466398b711b0fa90b087/FLAGc7b2597c3 [2024-11-28 03:36:31,686 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:36:31,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2024-11-28 03:36:31,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/data/d1e0b8bf5/9afd5d0e4018466398b711b0fa90b087/FLAGc7b2597c3 [2024-11-28 03:36:31,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/data/d1e0b8bf5/9afd5d0e4018466398b711b0fa90b087 [2024-11-28 03:36:31,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:36:31,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:36:31,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:36:31,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:36:31,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:36:31,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:36:31" (1/1) ... [2024-11-28 03:36:31,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3e686b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:31, skipping insertion in model container [2024-11-28 03:36:31,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:36:31" (1/1) ... [2024-11-28 03:36:31,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:36:32,343 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 03:36:32,380 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 03:36:32,385 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 03:36:32,390 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 03:36:32,400 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 03:36:32,449 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 03:36:32,449 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 03:36:32,453 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 03:36:32,453 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 03:36:32,457 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 03:36:32,459 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 03:36:32,464 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 03:36:32,465 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 03:36:32,479 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 03:36:32,482 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 03:36:32,484 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 03:36:32,485 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 03:36:32,486 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 03:36:32,492 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 03:36:32,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:36:32,523 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-28 03:36:32,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:36:32,583 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 03:36:32,631 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 03:36:32,634 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 03:36:32,641 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 03:36:32,657 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 03:36:32,685 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 03:36:32,685 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 03:36:32,688 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 03:36:32,688 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 03:36:32,691 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 03:36:32,692 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 03:36:32,693 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 03:36:32,694 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 03:36:32,699 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 03:36:32,701 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 03:36:32,703 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 03:36:32,704 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 03:36:32,704 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 03:36:32,709 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 03:36:32,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:36:32,724 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:36:32,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:36:32,974 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:36:32,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32 WrapperNode [2024-11-28 03:36:32,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:36:32,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:36:32,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:36:32,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:36:32,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,083 INFO L138 Inliner]: procedures = 180, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1137 [2024-11-28 03:36:33,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:36:33,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:36:33,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:36:33,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:36:33,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,114 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,274 INFO L175 MemorySlicer]: Split 304 memory accesses to 3 slices as follows [2, 34, 268]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2024-11-28 03:36:33,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,342 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:36:33,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:36:33,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:36:33,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:36:33,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (1/1) ... [2024-11-28 03:36:33,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:36:33,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:33,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:36:33,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:36:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 03:36:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 03:36:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 03:36:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 03:36:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 03:36:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 03:36:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 03:36:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 03:36:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:36:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:36:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 03:36:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 03:36:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 03:36:33,471 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 03:36:33,471 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 03:36:33,471 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 03:36:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-28 03:36:33,471 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-28 03:36:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:36:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:36:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:36:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:36:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:36:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:36:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:36:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:36:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:36:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:36:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 03:36:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 03:36:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 03:36:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:36:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:36:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 03:36:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:36:33,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:36:33,736 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:36:33,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:36:43,717 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-28 03:36:43,717 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:36:43,738 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:36:43,739 INFO L312 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-28 03:36:43,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:36:43 BoogieIcfgContainer [2024-11-28 03:36:43,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:36:43,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:36:43,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:36:43,749 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:36:43,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:36:31" (1/3) ... [2024-11-28 03:36:43,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5f96c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:36:43, skipping insertion in model container [2024-11-28 03:36:43,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:32" (2/3) ... [2024-11-28 03:36:43,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5f96c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:36:43, skipping insertion in model container [2024-11-28 03:36:43,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:36:43" (3/3) ... [2024-11-28 03:36:43,753 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-2.i [2024-11-28 03:36:43,768 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:36:43,769 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test8-2.i that has 7 procedures, 280 locations, 1 initial locations, 42 loop locations, and 2 error locations. [2024-11-28 03:36:43,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:36:43,820 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;@54e19bc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:36:43,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 03:36:43,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 272 states, 243 states have (on average 1.654320987654321) internal successors, (402), 262 states have internal predecessors, (402), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:36:43,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 03:36:43,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:43,832 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:36:43,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:36:43,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:43,836 INFO L85 PathProgramCache]: Analyzing trace with hash 727561827, now seen corresponding path program 1 times [2024-11-28 03:36:43,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:36:43,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1190104560] [2024-11-28 03:36:43,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:43,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:43,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:43,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:36:43,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:36:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:44,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:36:44,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:44,111 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 03:36:44,111 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:36:44,112 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:36:44,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190104560] [2024-11-28 03:36:44,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190104560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:36:44,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:36:44,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:36:44,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945722680] [2024-11-28 03:36:44,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:36:44,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:36:44,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:36:44,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:36:44,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:36:44,154 INFO L87 Difference]: Start difference. First operand has 272 states, 243 states have (on average 1.654320987654321) internal successors, (402), 262 states have internal predecessors, (402), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:36:44,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:44,213 INFO L93 Difference]: Finished difference Result 270 states and 366 transitions. [2024-11-28 03:36:44,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:36:44,216 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-28 03:36:44,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:44,230 INFO L225 Difference]: With dead ends: 270 [2024-11-28 03:36:44,230 INFO L226 Difference]: Without dead ends: 268 [2024-11-28 03:36:44,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 03:36:44,237 INFO L435 NwaCegarLoop]: 366 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, 366 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 03:36:44,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:36:44,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-28 03:36:44,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2024-11-28 03:36:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 241 states have (on average 1.3360995850622406) internal successors, (322), 258 states have internal predecessors, (322), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:36:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 364 transitions. [2024-11-28 03:36:44,338 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 364 transitions. Word has length 11 [2024-11-28 03:36:44,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:44,339 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 364 transitions. [2024-11-28 03:36:44,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:36:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 364 transitions. [2024-11-28 03:36:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 03:36:44,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:44,345 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:36:44,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:36:44,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:44,546 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:36:44,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:44,547 INFO L85 PathProgramCache]: Analyzing trace with hash -909514088, now seen corresponding path program 1 times [2024-11-28 03:36:44,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:36:44,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632566798] [2024-11-28 03:36:44,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:44,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:44,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:44,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:36:44,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:36:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:44,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:36:44,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:44,975 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 03:36:44,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:36:44,977 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:36:44,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632566798] [2024-11-28 03:36:44,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632566798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:36:44,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:36:44,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:36:44,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330405578] [2024-11-28 03:36:44,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:36:44,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:36:44,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:36:44,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:36:44,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:36:44,981 INFO L87 Difference]: Start difference. First operand 268 states and 364 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:36:46,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:46,237 INFO L93 Difference]: Finished difference Result 415 states and 556 transitions. [2024-11-28 03:36:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:36:46,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-28 03:36:46,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:46,245 INFO L225 Difference]: With dead ends: 415 [2024-11-28 03:36:46,245 INFO L226 Difference]: Without dead ends: 415 [2024-11-28 03:36:46,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 03:36:46,246 INFO L435 NwaCegarLoop]: 344 mSDtfsCounter, 178 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:46,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 673 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:36:46,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-28 03:36:46,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 383. [2024-11-28 03:36:46,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 355 states have (on average 1.3267605633802817) internal successors, (471), 372 states have internal predecessors, (471), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 03:36:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 515 transitions. [2024-11-28 03:36:46,292 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 515 transitions. Word has length 13 [2024-11-28 03:36:46,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:46,293 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 515 transitions. [2024-11-28 03:36:46,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:36:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 515 transitions. [2024-11-28 03:36:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 03:36:46,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:46,294 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:36:46,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:36:46,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:46,495 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:36:46,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:46,495 INFO L85 PathProgramCache]: Analyzing trace with hash -907667046, now seen corresponding path program 1 times [2024-11-28 03:36:46,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:36:46,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1520387316] [2024-11-28 03:36:46,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:46,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:46,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:46,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:36:46,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:36:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:46,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:36:46,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:46,730 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 03:36:46,732 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 03:36:46,733 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 03:36:46,743 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 03:36:46,852 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:36:46,852 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 03:36:46,885 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 03:36:46,885 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:36:46,886 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:36:46,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520387316] [2024-11-28 03:36:46,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520387316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:36:46,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:36:46,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:36:46,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373594696] [2024-11-28 03:36:46,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:36:46,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:36:46,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:36:46,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:36:46,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:36:46,887 INFO L87 Difference]: Start difference. First operand 383 states and 515 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:36:47,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:47,797 INFO L93 Difference]: Finished difference Result 583 states and 779 transitions. [2024-11-28 03:36:47,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:36:47,798 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-28 03:36:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:47,801 INFO L225 Difference]: With dead ends: 583 [2024-11-28 03:36:47,801 INFO L226 Difference]: Without dead ends: 583 [2024-11-28 03:36:47,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 03:36:47,803 INFO L435 NwaCegarLoop]: 344 mSDtfsCounter, 268 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:47,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 1023 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:36:47,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-28 03:36:47,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 382. [2024-11-28 03:36:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 354 states have (on average 1.3248587570621468) internal successors, (469), 371 states have internal predecessors, (469), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 03:36:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 513 transitions. [2024-11-28 03:36:47,830 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 513 transitions. Word has length 13 [2024-11-28 03:36:47,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:47,830 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 513 transitions. [2024-11-28 03:36:47,830 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:36:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 513 transitions. [2024-11-28 03:36:47,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 03:36:47,832 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:47,832 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:36:47,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:36:48,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:48,033 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:36:48,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:48,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1753524316, now seen corresponding path program 1 times [2024-11-28 03:36:48,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:36:48,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1845598715] [2024-11-28 03:36:48,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:48,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:48,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:48,039 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:36:48,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:36:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:48,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:36:48,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:36:48,751 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:36:48,751 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:36:48,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845598715] [2024-11-28 03:36:48,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845598715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:36:48,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:36:48,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:36:48,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638884548] [2024-11-28 03:36:48,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:36:48,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:36:48,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:36:48,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:36:48,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:36:48,754 INFO L87 Difference]: Start difference. First operand 382 states and 513 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:36:48,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:48,953 INFO L93 Difference]: Finished difference Result 400 states and 521 transitions. [2024-11-28 03:36:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:36:48,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2024-11-28 03:36:48,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:48,957 INFO L225 Difference]: With dead ends: 400 [2024-11-28 03:36:48,957 INFO L226 Difference]: Without dead ends: 400 [2024-11-28 03:36:48,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 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 03:36:48,958 INFO L435 NwaCegarLoop]: 333 mSDtfsCounter, 23 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:48,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 978 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:36:48,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-28 03:36:48,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 398. [2024-11-28 03:36:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 370 states have (on average 1.2837837837837838) internal successors, (475), 387 states have internal predecessors, (475), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 03:36:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 519 transitions. [2024-11-28 03:36:48,983 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 519 transitions. Word has length 83 [2024-11-28 03:36:48,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:48,984 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 519 transitions. [2024-11-28 03:36:48,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:36:48,985 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 519 transitions. [2024-11-28 03:36:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 03:36:48,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:48,990 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:36:49,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:36:49,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:49,191 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:36:49,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:49,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1280525730, now seen corresponding path program 1 times [2024-11-28 03:36:49,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:36:49,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [338634456] [2024-11-28 03:36:49,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:49,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:49,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:49,194 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:36:49,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:36:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:49,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:36:49,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:36:49,788 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:36:49,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:36:49,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338634456] [2024-11-28 03:36:49,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338634456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:36:49,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:36:49,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:36:49,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82239916] [2024-11-28 03:36:49,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:36:49,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:36:49,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:36:49,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:36:49,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:36:49,792 INFO L87 Difference]: Start difference. First operand 398 states and 519 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:36:49,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:49,968 INFO L93 Difference]: Finished difference Result 374 states and 481 transitions. [2024-11-28 03:36:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:36:49,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2024-11-28 03:36:49,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:49,971 INFO L225 Difference]: With dead ends: 374 [2024-11-28 03:36:49,971 INFO L226 Difference]: Without dead ends: 374 [2024-11-28 03:36:49,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 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 03:36:49,973 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 27 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:49,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 975 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:36:49,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-28 03:36:49,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2024-11-28 03:36:49,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 346 states have (on average 1.2630057803468209) internal successors, (437), 363 states have internal predecessors, (437), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 03:36:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 481 transitions. [2024-11-28 03:36:49,990 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 481 transitions. Word has length 83 [2024-11-28 03:36:49,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:49,990 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 481 transitions. [2024-11-28 03:36:49,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:36:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 481 transitions. [2024-11-28 03:36:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 03:36:49,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:49,994 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:36:50,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:36:50,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:50,198 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:36:50,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:50,198 INFO L85 PathProgramCache]: Analyzing trace with hash -976906832, now seen corresponding path program 1 times [2024-11-28 03:36:50,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:36:50,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942509430] [2024-11-28 03:36:50,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:50,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:50,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:50,203 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:36:50,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:36:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:50,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:36:50,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:36:50,806 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:36:50,806 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:36:50,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942509430] [2024-11-28 03:36:50,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942509430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:36:50,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:36:50,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:36:50,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459725000] [2024-11-28 03:36:50,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:36:50,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:36:50,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:36:50,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:36:50,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:36:50,809 INFO L87 Difference]: Start difference. First operand 374 states and 481 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:36:50,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:50,875 INFO L93 Difference]: Finished difference Result 377 states and 485 transitions. [2024-11-28 03:36:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:36:50,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2024-11-28 03:36:50,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:50,879 INFO L225 Difference]: With dead ends: 377 [2024-11-28 03:36:50,879 INFO L226 Difference]: Without dead ends: 377 [2024-11-28 03:36:50,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 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 03:36:50,881 INFO L435 NwaCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:50,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1031 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:36:50,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-28 03:36:50,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2024-11-28 03:36:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 348 states have (on average 1.264367816091954) internal successors, (440), 366 states have internal predecessors, (440), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-28 03:36:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 485 transitions. [2024-11-28 03:36:50,901 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 485 transitions. Word has length 83 [2024-11-28 03:36:50,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:50,902 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 485 transitions. [2024-11-28 03:36:50,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:36:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 485 transitions. [2024-11-28 03:36:50,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 03:36:50,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:50,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:36:50,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:36:51,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:51,104 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:36:51,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:51,105 INFO L85 PathProgramCache]: Analyzing trace with hash 166071662, now seen corresponding path program 1 times [2024-11-28 03:36:51,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:36:51,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204725128] [2024-11-28 03:36:51,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:51,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:51,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:51,107 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:36:51,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:36:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:51,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:36:51,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:36:51,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:36:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:36:51,925 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:36:51,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204725128] [2024-11-28 03:36:51,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204725128] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:36:51,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:36:51,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-28 03:36:51,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663165369] [2024-11-28 03:36:51,926 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:36:51,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:36:51,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:36:51,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:36:51,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:36:51,927 INFO L87 Difference]: Start difference. First operand 377 states and 485 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 03:36:52,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:52,191 INFO L93 Difference]: Finished difference Result 388 states and 502 transitions. [2024-11-28 03:36:52,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:36:52,192 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 85 [2024-11-28 03:36:52,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:52,196 INFO L225 Difference]: With dead ends: 388 [2024-11-28 03:36:52,197 INFO L226 Difference]: Without dead ends: 388 [2024-11-28 03:36:52,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 162 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 03:36:52,199 INFO L435 NwaCegarLoop]: 344 mSDtfsCounter, 5 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:52,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1031 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:36:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-28 03:36:52,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 386. [2024-11-28 03:36:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 356 states have (on average 1.2752808988764044) internal successors, (454), 374 states have internal predecessors, (454), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 7 states have call predecessors, (23), 21 states have call successors, (23) [2024-11-28 03:36:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 500 transitions. [2024-11-28 03:36:52,219 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 500 transitions. Word has length 85 [2024-11-28 03:36:52,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:52,219 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 500 transitions. [2024-11-28 03:36:52,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 03:36:52,220 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 500 transitions. [2024-11-28 03:36:52,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 03:36:52,221 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:52,222 INFO L218 NwaCegarLoop]: trace histogram [6, 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] [2024-11-28 03:36:52,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:36:52,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:52,422 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 03:36:52,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:52,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1880360880, now seen corresponding path program 2 times [2024-11-28 03:36:52,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:36:52,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [950381145] [2024-11-28 03:36:52,424 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:36:52,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:52,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:52,428 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:36:52,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7c7afe-1f80-4456-95f0-07a5c59e90ca/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process