./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:16:04,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:16:04,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-13 16:16:04,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:16:04,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:16:04,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:16:04,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:16:04,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:16:04,568 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:16:04,568 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:16:04,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:16:04,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:16:04,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:16:04,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:16:04,569 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:16:04,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:16:04,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:16:04,569 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:16:04,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:16:04,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:16:04,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:16:04,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:16:04,570 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:16:04,570 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:16:04,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:16:04,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:16:04,570 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:16:04,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:16:04,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:16:04,571 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:16:04,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:16:04,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:16:04,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:16:04,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:16:04,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:16:04,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:16:04,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:16:04,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:16:04,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:16:04,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:16:04,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:16:04,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:16:04,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:16:04,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:16:04,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:16:04,573 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_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b [2024-11-13 16:16:04,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:16:04,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:16:04,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:16:04,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:16:04,890 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:16:04,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i Unable to find full path for "g++" [2024-11-13 16:16:06,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:16:07,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:16:07,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2024-11-13 16:16:07,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/data/7bedfb5ad/0ae31b63b8314884986e813d49ba0640/FLAG6a918ab03 [2024-11-13 16:16:07,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/data/7bedfb5ad/0ae31b63b8314884986e813d49ba0640 [2024-11-13 16:16:07,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:16:07,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:16:07,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:16:07,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:16:07,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:16:07,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:16:07" (1/1) ... [2024-11-13 16:16:07,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22984f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:07, skipping insertion in model container [2024-11-13 16:16:07,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:16:07" (1/1) ... [2024-11-13 16:16:07,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:16:08,089 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,145 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,153 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,163 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,171 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,206 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,206 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,209 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,210 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,213 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,214 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,215 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,216 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,221 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,223 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,224 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,229 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,230 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,237 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:08,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:16:08,270 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-13 16:16:08,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7648c4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:08, skipping insertion in model container [2024-11-13 16:16:08,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:16:08,274 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-13 16:16:08,276 INFO L158 Benchmark]: Toolchain (without parser) took 733.53ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 70.5MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:16:08,279 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:16:08,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 729.86ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 70.5MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:16:08,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 729.86ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 70.5MB in the end (delta: 19.8MB). 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_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:16:11,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:16:11,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-13 16:16:11,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:16:11,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:16:11,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:16:11,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:16:11,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:16:11,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:16:11,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:16:11,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:16:11,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:16:11,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:16:11,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:16:11,341 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:16:11,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:16:11,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:16:11,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:16:11,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:16:11,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:16:11,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:16:11,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:16:11,342 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:16:11,342 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:16:11,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:16:11,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:16:11,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:16:11,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:16:11,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:16:11,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:16:11,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:16:11,343 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:16:11,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:16:11,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:16:11,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:16:11,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:16:11,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:16:11,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:16:11,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:16:11,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:16:11,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:16:11,344 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:16:11,344 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:16:11,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:16:11,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:16:11,345 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:16:11,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:16:11,345 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_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b [2024-11-13 16:16:11,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:16:11,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:16:11,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:16:11,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:16:11,728 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:16:11,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i Unable to find full path for "g++" [2024-11-13 16:16:13,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:16:14,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:16:14,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2024-11-13 16:16:14,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/data/a32dd5745/9d0cffa1327d442cbb3a46ede955448c/FLAGbc12d9244 [2024-11-13 16:16:14,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/data/a32dd5745/9d0cffa1327d442cbb3a46ede955448c [2024-11-13 16:16:14,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:16:14,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:16:14,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:16:14,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:16:14,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:16:14,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:16:14" (1/1) ... [2024-11-13 16:16:14,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53362013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:14, skipping insertion in model container [2024-11-13 16:16:14,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:16:14" (1/1) ... [2024-11-13 16:16:14,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:16:14,798 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,856 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,862 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,867 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,876 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,925 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,925 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,929 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,929 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,933 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,935 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,936 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,937 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,944 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,947 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,949 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,950 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,951 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,957 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:14,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:16:14,998 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-13 16:16:15,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:16:15,082 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,126 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,129 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,136 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,141 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,186 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,186 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,193 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,195 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,198 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,201 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,202 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,202 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,208 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,210 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,212 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,214 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,215 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,219 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:16:15,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:16:15,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:16:15,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:16:15,467 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:16:15,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15 WrapperNode [2024-11-13 16:16:15,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:16:15,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:16:15,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:16:15,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:16:15,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,598 INFO L138 Inliner]: procedures = 180, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1137 [2024-11-13 16:16:15,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:16:15,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:16:15,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:16:15,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:16:15,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,802 INFO L175 MemorySlicer]: Split 304 memory accesses to 3 slices as follows [2, 268, 34]. 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, 58, 4]. [2024-11-13 16:16:15,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:16:15,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:16:15,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:16:15,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:16:15,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (1/1) ... [2024-11-13 16:16:15,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:16:15,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:15,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:16:15,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:16:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-13 16:16:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-13 16:16:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-13 16:16:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-13 16:16:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-13 16:16:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 16:16:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 16:16:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 16:16:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:16:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:16:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 16:16:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 16:16:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-13 16:16:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 16:16:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 16:16:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-13 16:16:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-13 16:16:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-13 16:16:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:16:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:16:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 16:16:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 16:16:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 16:16:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:16:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 16:16:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 16:16:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 16:16:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:16:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 16:16:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 16:16:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 16:16:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:16:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 16:16:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 16:16:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:16:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:16:16,347 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:16:16,351 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:16:25,042 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-13 16:16:25,043 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:16:25,067 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:16:25,067 INFO L316 CfgBuilder]: Removed 71 assume(true) statements. [2024-11-13 16:16:25,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:16:25 BoogieIcfgContainer [2024-11-13 16:16:25,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:16:25,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:16:25,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:16:25,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:16:25,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:16:14" (1/3) ... [2024-11-13 16:16:25,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3630ff5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:16:25, skipping insertion in model container [2024-11-13 16:16:25,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:16:15" (2/3) ... [2024-11-13 16:16:25,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3630ff5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:16:25, skipping insertion in model container [2024-11-13 16:16:25,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:16:25" (3/3) ... [2024-11-13 16:16:25,078 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test8-2.i [2024-11-13 16:16:25,094 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:16:25,095 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test8-2.i that has 7 procedures, 274 locations, 1 initial locations, 42 loop locations, and 2 error locations. [2024-11-13 16:16:25,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:16:25,152 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;@799e61c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:16:25,152 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 16:16:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 266 states, 237 states have (on average 1.6708860759493671) internal successors, (396), 256 states have internal predecessors, (396), 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) [2024-11-13 16:16:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:16:25,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:25,165 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:25,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:16:25,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:25,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1843373727, now seen corresponding path program 1 times [2024-11-13 16:16:25,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:25,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300957218] [2024-11-13 16:16:25,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:25,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:25,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:25,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:16:25,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:16:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:25,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:16:25,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:16:25,481 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:16:25,481 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:16:25,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300957218] [2024-11-13 16:16:25,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300957218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:16:25,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:16:25,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:16:25,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101938049] [2024-11-13 16:16:25,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:16:25,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:16:25,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:16:25,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:16:25,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:16:25,524 INFO L87 Difference]: Start difference. First operand has 266 states, 237 states have (on average 1.6708860759493671) internal successors, (396), 256 states have internal predecessors, (396), 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) [2024-11-13 16:16:25,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:25,562 INFO L93 Difference]: Finished difference Result 264 states and 360 transitions. [2024-11-13 16:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:16:25,564 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 [2024-11-13 16:16:25,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:25,573 INFO L225 Difference]: With dead ends: 264 [2024-11-13 16:16:25,574 INFO L226 Difference]: Without dead ends: 262 [2024-11-13 16:16:25,575 INFO L431 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 [2024-11-13 16:16:25,578 INFO L432 NwaCegarLoop]: 360 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, 360 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:16:25,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:16:25,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-13 16:16:25,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2024-11-13 16:16:25,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 235 states have (on average 1.3446808510638297) internal successors, (316), 252 states have internal predecessors, (316), 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) [2024-11-13 16:16:25,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 358 transitions. [2024-11-13 16:16:25,658 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 358 transitions. Word has length 11 [2024-11-13 16:16:25,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:25,658 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 358 transitions. [2024-11-13 16:16:25,658 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) [2024-11-13 16:16:25,658 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 358 transitions. [2024-11-13 16:16:25,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:16:25,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:25,659 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:25,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:16:25,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:25,863 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:16:25,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:25,864 INFO L85 PathProgramCache]: Analyzing trace with hash 2138508852, now seen corresponding path program 1 times [2024-11-13 16:16:25,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:25,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1428824901] [2024-11-13 16:16:25,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:25,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:25,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:25,867 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:16:25,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:16:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:26,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:16:26,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:16:26,221 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:16:26,222 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:16:26,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428824901] [2024-11-13 16:16:26,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428824901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:16:26,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:16:26,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:16:26,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093714786] [2024-11-13 16:16:26,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:16:26,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:16:26,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:16:26,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:16:26,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:16:26,228 INFO L87 Difference]: Start difference. First operand 262 states and 358 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) [2024-11-13 16:16:27,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:27,496 INFO L93 Difference]: Finished difference Result 406 states and 547 transitions. [2024-11-13 16:16:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:16:27,499 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 [2024-11-13 16:16:27,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:27,501 INFO L225 Difference]: With dead ends: 406 [2024-11-13 16:16:27,502 INFO L226 Difference]: Without dead ends: 406 [2024-11-13 16:16:27,502 INFO L431 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 [2024-11-13 16:16:27,503 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 175 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 661 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 [2024-11-13 16:16:27,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 661 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 16:16:27,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-13 16:16:27,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 374. [2024-11-13 16:16:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 346 states have (on average 1.3352601156069364) internal successors, (462), 363 states have internal predecessors, (462), 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) [2024-11-13 16:16:27,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 506 transitions. [2024-11-13 16:16:27,544 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 506 transitions. Word has length 13 [2024-11-13 16:16:27,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:27,545 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 506 transitions. [2024-11-13 16:16:27,545 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) [2024-11-13 16:16:27,545 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 506 transitions. [2024-11-13 16:16:27,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:16:27,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:27,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:27,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:16:27,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:27,750 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:16:27,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:27,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2140355894, now seen corresponding path program 1 times [2024-11-13 16:16:27,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:27,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [837625187] [2024-11-13 16:16:27,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:27,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:27,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:27,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:16:27,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:16:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:27,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:16:27,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:27,998 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 16:16:27,999 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 16:16:28,000 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 16:16:28,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-13 16:16:28,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:16:28,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-13 16:16:28,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:16:28,137 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:16:28,137 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:16:28,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837625187] [2024-11-13 16:16:28,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837625187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:16:28,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:16:28,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:16:28,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396621098] [2024-11-13 16:16:28,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:16:28,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:16:28,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:16:28,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:16:28,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:16:28,140 INFO L87 Difference]: Start difference. First operand 374 states and 506 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) [2024-11-13 16:16:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:28,848 INFO L93 Difference]: Finished difference Result 570 states and 766 transitions. [2024-11-13 16:16:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:16:28,851 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 [2024-11-13 16:16:28,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:28,855 INFO L225 Difference]: With dead ends: 570 [2024-11-13 16:16:28,856 INFO L226 Difference]: Without dead ends: 570 [2024-11-13 16:16:28,856 INFO L431 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 [2024-11-13 16:16:28,857 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 262 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:16:28,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1059 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:16:28,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-13 16:16:28,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 373. [2024-11-13 16:16:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 345 states have (on average 1.3333333333333333) internal successors, (460), 362 states have internal predecessors, (460), 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) [2024-11-13 16:16:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 504 transitions. [2024-11-13 16:16:28,883 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 504 transitions. Word has length 13 [2024-11-13 16:16:28,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:28,884 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 504 transitions. [2024-11-13 16:16:28,884 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) [2024-11-13 16:16:28,884 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 504 transitions. [2024-11-13 16:16:28,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 16:16:28,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:28,887 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:28,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 16:16:29,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:29,091 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:16:29,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:29,091 INFO L85 PathProgramCache]: Analyzing trace with hash 520030896, now seen corresponding path program 1 times [2024-11-13 16:16:29,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:29,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649005824] [2024-11-13 16:16:29,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:29,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:29,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:29,096 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:16:29,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 16:16:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:29,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:16:29,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:16:29,682 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:16:29,682 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:16:29,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649005824] [2024-11-13 16:16:29,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649005824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:16:29,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:16:29,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:16:29,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513463634] [2024-11-13 16:16:29,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:16:29,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:16:29,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:16:29,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:16:29,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:16:29,685 INFO L87 Difference]: Start difference. First operand 373 states and 504 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-13 16:16:29,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:29,862 INFO L93 Difference]: Finished difference Result 413 states and 544 transitions. [2024-11-13 16:16:29,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:16:29,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 82 [2024-11-13 16:16:29,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:29,866 INFO L225 Difference]: With dead ends: 413 [2024-11-13 16:16:29,868 INFO L226 Difference]: Without dead ends: 413 [2024-11-13 16:16:29,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:16:29,869 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 9 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:16:29,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 661 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:16:29,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-13 16:16:29,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-13 16:16:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 385 states have (on average 1.2987012987012987) internal successors, (500), 402 states have internal predecessors, (500), 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) [2024-11-13 16:16:29,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 544 transitions. [2024-11-13 16:16:29,908 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 544 transitions. Word has length 82 [2024-11-13 16:16:29,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:29,909 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 544 transitions. [2024-11-13 16:16:29,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-13 16:16:29,909 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 544 transitions. [2024-11-13 16:16:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 16:16:29,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:29,911 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:29,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 16:16:30,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:30,116 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:16:30,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:30,117 INFO L85 PathProgramCache]: Analyzing trace with hash -374128340, now seen corresponding path program 1 times [2024-11-13 16:16:30,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:30,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212487986] [2024-11-13 16:16:30,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:30,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:30,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:30,124 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:16:30,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 16:16:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:30,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:16:30,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:16:30,793 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:16:30,793 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:16:30,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212487986] [2024-11-13 16:16:30,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212487986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:16:30,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:16:30,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:16:30,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832308374] [2024-11-13 16:16:30,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:16:30,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:16:30,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:16:30,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:16:30,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:16:30,796 INFO L87 Difference]: Start difference. First operand 413 states and 544 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2024-11-13 16:16:30,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:30,984 INFO L93 Difference]: Finished difference Result 379 states and 488 transitions. [2024-11-13 16:16:30,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:16:30,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 82 [2024-11-13 16:16:30,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:30,988 INFO L225 Difference]: With dead ends: 379 [2024-11-13 16:16:30,988 INFO L226 Difference]: Without dead ends: 379 [2024-11-13 16:16:30,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:16:30,989 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 32 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:16:30,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 961 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:16:30,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-13 16:16:31,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2024-11-13 16:16:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 351 states have (on average 1.264957264957265) internal successors, (444), 368 states have internal predecessors, (444), 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) [2024-11-13 16:16:31,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 488 transitions. [2024-11-13 16:16:31,010 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 488 transitions. Word has length 82 [2024-11-13 16:16:31,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:31,010 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 488 transitions. [2024-11-13 16:16:31,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2024-11-13 16:16:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 488 transitions. [2024-11-13 16:16:31,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 16:16:31,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:31,013 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:31,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:16:31,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:31,214 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:16:31,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:31,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1663406394, now seen corresponding path program 1 times [2024-11-13 16:16:31,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:31,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1914337917] [2024-11-13 16:16:31,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:31,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:31,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:31,219 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:16:31,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 16:16:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:31,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:16:31,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:16:31,855 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:16:31,856 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:16:31,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914337917] [2024-11-13 16:16:31,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914337917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:16:31,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:16:31,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:16:31,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343614551] [2024-11-13 16:16:31,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:16:31,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:16:31,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:16:31,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:16:31,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:16:31,858 INFO L87 Difference]: Start difference. First operand 379 states and 488 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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) [2024-11-13 16:16:31,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:31,930 INFO L93 Difference]: Finished difference Result 382 states and 492 transitions. [2024-11-13 16:16:31,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:16:31,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 82 [2024-11-13 16:16:31,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:31,936 INFO L225 Difference]: With dead ends: 382 [2024-11-13 16:16:31,937 INFO L226 Difference]: Without dead ends: 382 [2024-11-13 16:16:31,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:16:31,938 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 0 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:16:31,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1028 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:16:31,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-13 16:16:31,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-11-13 16:16:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 353 states have (on average 1.2662889518413598) internal successors, (447), 371 states have internal predecessors, (447), 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) [2024-11-13 16:16:31,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 492 transitions. [2024-11-13 16:16:31,976 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 492 transitions. Word has length 82 [2024-11-13 16:16:31,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:31,977 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 492 transitions. [2024-11-13 16:16:31,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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) [2024-11-13 16:16:31,978 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 492 transitions. [2024-11-13 16:16:31,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 16:16:31,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:31,985 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:16:32,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 16:16:32,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:32,186 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:16:32,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:32,186 INFO L85 PathProgramCache]: Analyzing trace with hash -21738120, now seen corresponding path program 1 times [2024-11-13 16:16:32,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:32,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633514277] [2024-11-13 16:16:32,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:16:32,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:32,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:32,189 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:16:32,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 16:16:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:16:32,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:16:32,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:16:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:16:32,827 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:16:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:16:33,022 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:16:33,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633514277] [2024-11-13 16:16:33,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633514277] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:16:33,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:16:33,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-13 16:16:33,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938871107] [2024-11-13 16:16:33,023 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:16:33,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:16:33,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:16:33,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:16:33,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:16:33,025 INFO L87 Difference]: Start difference. First operand 382 states and 492 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2024-11-13 16:16:33,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:16:33,268 INFO L93 Difference]: Finished difference Result 393 states and 509 transitions. [2024-11-13 16:16:33,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:16:33,270 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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 84 [2024-11-13 16:16:33,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:16:33,272 INFO L225 Difference]: With dead ends: 393 [2024-11-13 16:16:33,272 INFO L226 Difference]: Without dead ends: 393 [2024-11-13 16:16:33,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:16:33,274 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 5 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:16:33,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1706 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:16:33,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-13 16:16:33,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2024-11-13 16:16:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 361 states have (on average 1.2770083102493075) internal successors, (461), 379 states have internal predecessors, (461), 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) [2024-11-13 16:16:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 507 transitions. [2024-11-13 16:16:33,291 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 507 transitions. Word has length 84 [2024-11-13 16:16:33,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:16:33,291 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 507 transitions. [2024-11-13 16:16:33,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2024-11-13 16:16:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 507 transitions. [2024-11-13 16:16:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 16:16:33,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:16:33,293 INFO L215 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] [2024-11-13 16:16:33,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 16:16:33,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:33,498 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 16:16:33,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:16:33,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2083087322, now seen corresponding path program 2 times [2024-11-13 16:16:33,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:16:33,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118700055] [2024-11-13 16:16:33,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:16:33,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:16:33,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:16:33,503 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:16:33,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d3c651-a979-4952-80b6-febd27a9b542/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process