./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX --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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:22:11,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:22:11,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-08 17:22:11,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:22:11,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:22:11,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:22:11,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:22:11,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:22:11,464 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:22:11,465 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:22:11,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:22:11,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:22:11,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:22:11,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:22:11,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:22:11,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:22:11,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:22:11,472 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:22:11,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:22:11,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:22:11,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:22:11,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:22:11,494 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 17:22:11,496 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 17:22:11,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:22:11,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:22:11,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:22:11,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:22:11,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:22:11,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:22:11,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:22:11,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:22:11,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:22:11,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:22:11,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:22:11,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:22:11,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:22:11,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:22:11,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:22:11,502 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:22:11,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:22:11,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:22:11,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:22:11,503 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:22:11,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:22:11,504 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-11-08 17:22:11,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:22:11,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:22:11,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:22:11,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:22:11,881 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:22:11,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i Unable to find full path for "g++" [2024-11-08 17:22:13,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:22:14,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:22:14,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2024-11-08 17:22:14,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/data/6e263bd8a/6f600cbbb4834888bc07b88ffb38437d/FLAG52cca27bf [2024-11-08 17:22:14,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/data/6e263bd8a/6f600cbbb4834888bc07b88ffb38437d [2024-11-08 17:22:14,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:22:14,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:22:14,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:22:14,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:22:14,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:22:14,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:22:14" (1/1) ... [2024-11-08 17:22:14,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7317f261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:14, skipping insertion in model container [2024-11-08 17:22:14,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:22:14" (1/1) ... [2024-11-08 17:22:14,478 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:22:15,059 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,130 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,139 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,147 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,167 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,223 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,226 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,230 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,243 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,271 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,273 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,284 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,286 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,290 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,292 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,306 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,308 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,313 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,314 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,322 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:15,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:22:15,360 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) [2024-11-08 17:22:15,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@765c7975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:15, skipping insertion in model container [2024-11-08 17:22:15,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:22:15,362 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-08 17:22:15,364 INFO L158 Benchmark]: Toolchain (without parser) took 980.22ms. Allocated memory is still 180.4MB. Free memory was 149.9MB in the beginning and 125.1MB in the end (delta: 24.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-08 17:22:15,365 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 102.2MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:22:15,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 977.06ms. Allocated memory is still 180.4MB. Free memory was 149.7MB in the beginning and 125.1MB in the end (delta: 24.6MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-08 17:22:15,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 102.2MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 977.06ms. Allocated memory is still 180.4MB. Free memory was 149.7MB in the beginning and 125.1MB in the end (delta: 24.6MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 757]: 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX --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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:22:17,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:22:18,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-08 17:22:18,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:22:18,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:22:18,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:22:18,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:22:18,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:22:18,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:22:18,058 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:22:18,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:22:18,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:22:18,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:22:18,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:22:18,060 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:22:18,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:22:18,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:22:18,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:22:18,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:22:18,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:22:18,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:22:18,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:22:18,068 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 17:22:18,068 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 17:22:18,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:22:18,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:22:18,069 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:22:18,069 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:22:18,070 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:22:18,070 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:22:18,070 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:22:18,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:22:18,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:22:18,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:22:18,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:22:18,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:22:18,076 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:22:18,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:22:18,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:22:18,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:22:18,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:22:18,078 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:22:18,079 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:22:18,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:22:18,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:22:18,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:22:18,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:22:18,080 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-11-08 17:22:18,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:22:18,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:22:18,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:22:18,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:22:18,558 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:22:18,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i Unable to find full path for "g++" [2024-11-08 17:22:20,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:22:21,186 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:22:21,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2024-11-08 17:22:21,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/data/66a9b9429/9a7413fa38d046e0932122474206b3ab/FLAG36978cd87 [2024-11-08 17:22:21,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/data/66a9b9429/9a7413fa38d046e0932122474206b3ab [2024-11-08 17:22:21,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:22:21,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:22:21,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:22:21,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:22:21,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:22:21,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:22:21" (1/1) ... [2024-11-08 17:22:21,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf2a4f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:21, skipping insertion in model container [2024-11-08 17:22:21,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:22:21" (1/1) ... [2024-11-08 17:22:21,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:22:22,020 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,077 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,110 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,116 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,135 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,220 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,224 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,231 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,245 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,268 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,269 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,275 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,281 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,283 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,288 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,296 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,302 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,303 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,304 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,315 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:22:22,360 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 17:22:22,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:22:22,416 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,429 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,431 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,433 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,437 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,456 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,458 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,460 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,464 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,472 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,473 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,475 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,476 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,477 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,478 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,502 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,503 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,505 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,506 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,510 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:22:22,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:22:22,521 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:22:22,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:22:22,715 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:22:22,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22 WrapperNode [2024-11-08 17:22:22,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:22:22,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:22:22,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:22:22,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:22:22,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:22,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:22,833 INFO L138 Inliner]: procedures = 179, calls = 425, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1388 [2024-11-08 17:22:22,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:22:22,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:22:22,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:22:22,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:22:22,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:22,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:22,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:23,071 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2024-11-08 17:22:23,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:23,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:23,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:23,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:23,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:23,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:23,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:22:23,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:22:23,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:22:23,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:22:23,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (1/1) ... [2024-11-08 17:22:23,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:22:23,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:22:23,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:22:23,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:22:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 17:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 17:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 17:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 17:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-08 17:22:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-08 17:22:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-08 17:22:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-08 17:22:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:22:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:22:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 17:22:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 17:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 17:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 17:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 17:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 17:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:22:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 17:22:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:22:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:22:23,573 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:22:23,575 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:22:40,940 INFO L? ?]: Removed 209 outVars from TransFormulas that were not future-live. [2024-11-08 17:22:40,940 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:22:40,959 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:22:40,960 INFO L316 CfgBuilder]: Removed 70 assume(true) statements. [2024-11-08 17:22:40,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:22:40 BoogieIcfgContainer [2024-11-08 17:22:40,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:22:40,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:22:40,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:22:40,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:22:40,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:22:21" (1/3) ... [2024-11-08 17:22:40,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d2e1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:22:40, skipping insertion in model container [2024-11-08 17:22:40,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:22" (2/3) ... [2024-11-08 17:22:40,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d2e1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:22:40, skipping insertion in model container [2024-11-08 17:22:40,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:22:40" (3/3) ... [2024-11-08 17:22:40,972 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test4-3.i [2024-11-08 17:22:40,995 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:22:40,995 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:22:41,073 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:22:41,088 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;@37fa4893, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:22:41,088 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:22:41,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 246 states have (on average 1.6422764227642277) internal successors, (404), 248 states have internal predecessors, (404), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 17:22:41,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 17:22:41,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:41,115 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-08 17:22:41,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:22:41,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:41,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1419110, now seen corresponding path program 1 times [2024-11-08 17:22:41,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:22:41,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990923710] [2024-11-08 17:22:41,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:41,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:22:41,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:22:41,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:22:41,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:22:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:41,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:22:41,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:22:41,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:22:41,441 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:22:41,442 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:22:41,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990923710] [2024-11-08 17:22:41,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990923710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:22:41,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:22:41,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:22:41,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829569960] [2024-11-08 17:22:41,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:22:41,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:22:41,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:22:41,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:22:41,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:22:41,508 INFO L87 Difference]: Start difference. First operand has 256 states, 246 states have (on average 1.6422764227642277) internal successors, (404), 248 states have internal predecessors, (404), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-08 17:22:45,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:22:49,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:22:50,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:22:50,877 INFO L93 Difference]: Finished difference Result 321 states and 426 transitions. [2024-11-08 17:22:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:22:50,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-08 17:22:50,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:22:50,898 INFO L225 Difference]: With dead ends: 321 [2024-11-08 17:22:50,899 INFO L226 Difference]: Without dead ends: 317 [2024-11-08 17:22:50,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:22:50,907 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 86 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:22:50,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 683 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2024-11-08 17:22:50,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-08 17:22:50,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 267. [2024-11-08 17:22:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 258 states have (on average 1.3255813953488371) internal successors, (342), 259 states have internal predecessors, (342), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 17:22:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 354 transitions. [2024-11-08 17:22:50,982 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 354 transitions. Word has length 4 [2024-11-08 17:22:50,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:22:50,983 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 354 transitions. [2024-11-08 17:22:50,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-08 17:22:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 354 transitions. [2024-11-08 17:22:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 17:22:50,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:50,984 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:22:51,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:22:51,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:22:51,185 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:22:51,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:51,186 INFO L85 PathProgramCache]: Analyzing trace with hash -638269940, now seen corresponding path program 1 times [2024-11-08 17:22:51,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:22:51,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1253060634] [2024-11-08 17:22:51,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:51,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:22:51,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:22:51,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:22:51,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:22:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:51,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:22:51,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:22:51,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:22:51,507 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:22:51,508 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:22:51,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253060634] [2024-11-08 17:22:51,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253060634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:22:51,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:22:51,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:22:51,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837202004] [2024-11-08 17:22:51,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:22:51,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:22:51,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:22:51,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:22:51,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:22:51,512 INFO L87 Difference]: Start difference. First operand 267 states and 354 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-08 17:22:56,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:00,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:01,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:07,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:08,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:08,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:08,987 INFO L93 Difference]: Finished difference Result 389 states and 513 transitions. [2024-11-08 17:23:08,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:23:08,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-08 17:23:08,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:08,993 INFO L225 Difference]: With dead ends: 389 [2024-11-08 17:23:08,994 INFO L226 Difference]: Without dead ends: 389 [2024-11-08 17:23:08,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:23:08,998 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 164 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:23:08,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 915 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 17.4s Time] [2024-11-08 17:23:09,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-08 17:23:09,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2024-11-08 17:23:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 377 states have (on average 1.312997347480106) internal successors, (495), 378 states have internal predecessors, (495), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 17:23:09,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 513 transitions. [2024-11-08 17:23:09,059 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 513 transitions. Word has length 12 [2024-11-08 17:23:09,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:09,063 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 513 transitions. [2024-11-08 17:23:09,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-08 17:23:09,063 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 513 transitions. [2024-11-08 17:23:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 17:23:09,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:09,065 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:09,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:23:09,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:09,266 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:23:09,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:09,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1011406855, now seen corresponding path program 1 times [2024-11-08 17:23:09,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:23:09,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217991802] [2024-11-08 17:23:09,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:09,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:09,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:09,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:09,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:23:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:09,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:23:09,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:23:09,705 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:09,705 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:23:09,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217991802] [2024-11-08 17:23:09,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217991802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:09,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:23:09,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:23:09,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881524936] [2024-11-08 17:23:09,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:09,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:23:09,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:23:09,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:23:09,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:23:09,709 INFO L87 Difference]: Start difference. First operand 389 states and 513 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-08 17:23:14,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:18,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:21,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:21,852 INFO L93 Difference]: Finished difference Result 440 states and 579 transitions. [2024-11-08 17:23:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:23:21,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2024-11-08 17:23:21,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:21,857 INFO L225 Difference]: With dead ends: 440 [2024-11-08 17:23:21,858 INFO L226 Difference]: Without dead ends: 434 [2024-11-08 17:23:21,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:23:21,861 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 128 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:23:21,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 887 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2024-11-08 17:23:21,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-08 17:23:21,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 380. [2024-11-08 17:23:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 368 states have (on average 1.309782608695652) internal successors, (482), 369 states have internal predecessors, (482), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 17:23:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 500 transitions. [2024-11-08 17:23:21,890 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 500 transitions. Word has length 27 [2024-11-08 17:23:21,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:21,891 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 500 transitions. [2024-11-08 17:23:21,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-08 17:23:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 500 transitions. [2024-11-08 17:23:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 17:23:21,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:21,904 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:21,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:23:22,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:22,105 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:23:22,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:22,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1883094880, now seen corresponding path program 1 times [2024-11-08 17:23:22,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:23:22,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558427401] [2024-11-08 17:23:22,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:22,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:22,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:22,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:22,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:23:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:23:22,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:23:23,147 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:23,148 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:23:23,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558427401] [2024-11-08 17:23:23,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558427401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:23,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:23:23,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:23:23,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884460535] [2024-11-08 17:23:23,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:23,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:23:23,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:23:23,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:23:23,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:23:23,159 INFO L87 Difference]: Start difference. First operand 380 states and 500 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:23:23,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:23,390 INFO L93 Difference]: Finished difference Result 398 states and 506 transitions. [2024-11-08 17:23:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:23:23,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 149 [2024-11-08 17:23:23,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:23,393 INFO L225 Difference]: With dead ends: 398 [2024-11-08 17:23:23,393 INFO L226 Difference]: Without dead ends: 398 [2024-11-08 17:23:23,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:23:23,395 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 22 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:23:23,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 883 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:23:23,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-08 17:23:23,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 396. [2024-11-08 17:23:23,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 384 states have (on average 1.265625) internal successors, (486), 385 states have internal predecessors, (486), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 17:23:23,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 504 transitions. [2024-11-08 17:23:23,412 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 504 transitions. Word has length 149 [2024-11-08 17:23:23,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:23,413 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 504 transitions. [2024-11-08 17:23:23,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:23:23,413 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 504 transitions. [2024-11-08 17:23:23,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 17:23:23,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:23,417 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:23,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:23:23,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:23,621 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:23:23,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:23,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1021261278, now seen corresponding path program 1 times [2024-11-08 17:23:23,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:23:23,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1016144558] [2024-11-08 17:23:23,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:23,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:23,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:23,628 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:23,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:23:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:24,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:23:24,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 17:23:24,563 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:24,563 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:23:24,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016144558] [2024-11-08 17:23:24,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016144558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:24,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:23:24,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:23:24,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261444668] [2024-11-08 17:23:24,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:24,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:23:24,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:23:24,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:23:24,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:23:24,567 INFO L87 Difference]: Start difference. First operand 396 states and 504 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:23:24,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:24,757 INFO L93 Difference]: Finished difference Result 436 states and 544 transitions. [2024-11-08 17:23:24,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:23:24,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2024-11-08 17:23:24,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:24,760 INFO L225 Difference]: With dead ends: 436 [2024-11-08 17:23:24,760 INFO L226 Difference]: Without dead ends: 436 [2024-11-08 17:23:24,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:23:24,762 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 8 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 591 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 [2024-11-08 17:23:24,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 591 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:23:24,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-08 17:23:24,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2024-11-08 17:23:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 424 states have (on average 1.240566037735849) internal successors, (526), 425 states have internal predecessors, (526), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 17:23:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 544 transitions. [2024-11-08 17:23:24,776 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 544 transitions. Word has length 149 [2024-11-08 17:23:24,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:24,779 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 544 transitions. [2024-11-08 17:23:24,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:23:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 544 transitions. [2024-11-08 17:23:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 17:23:24,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:24,783 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:24,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 17:23:24,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:24,984 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:23:24,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:24,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1438657884, now seen corresponding path program 1 times [2024-11-08 17:23:24,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:23:24,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1618470605] [2024-11-08 17:23:24,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:24,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:24,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:24,988 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:24,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 17:23:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:25,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:23:25,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:23:26,498 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:26,498 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:23:26,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618470605] [2024-11-08 17:23:26,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618470605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:26,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:23:26,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:23:26,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943470072] [2024-11-08 17:23:26,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:26,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:23:26,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:23:26,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:23:26,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:23:26,502 INFO L87 Difference]: Start difference. First operand 436 states and 544 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:23:30,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:34,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:40,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:44,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:52,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:54,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:23:55,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:55,606 INFO L93 Difference]: Finished difference Result 445 states and 553 transitions. [2024-11-08 17:23:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:23:55,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 149 [2024-11-08 17:23:55,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:55,610 INFO L225 Difference]: With dead ends: 445 [2024-11-08 17:23:55,611 INFO L226 Difference]: Without dead ends: 445 [2024-11-08 17:23:55,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:23:55,612 INFO L432 NwaCegarLoop]: 390 mSDtfsCounter, 315 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:23:55,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 709 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 5 Unknown, 0 Unchecked, 29.1s Time] [2024-11-08 17:23:55,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-08 17:23:55,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 438. [2024-11-08 17:23:55,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 426 states have (on average 1.2370892018779343) internal successors, (527), 427 states have internal predecessors, (527), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 17:23:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 545 transitions. [2024-11-08 17:23:55,627 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 545 transitions. Word has length 149 [2024-11-08 17:23:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:55,628 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 545 transitions. [2024-11-08 17:23:55,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:23:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 545 transitions. [2024-11-08 17:23:55,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 17:23:55,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:55,631 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:55,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 17:23:55,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:55,832 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:23:55,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:55,833 INFO L85 PathProgramCache]: Analyzing trace with hash -217454580, now seen corresponding path program 1 times [2024-11-08 17:23:55,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:23:55,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [257357468] [2024-11-08 17:23:55,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:55,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:55,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:55,835 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:55,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 17:23:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:56,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:23:56,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 17:23:56,759 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:56,759 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:23:56,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257357468] [2024-11-08 17:23:56,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257357468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:56,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:23:56,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:23:56,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101510640] [2024-11-08 17:23:56,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:56,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:23:56,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:23:56,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:23:56,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:23:56,763 INFO L87 Difference]: Start difference. First operand 438 states and 545 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:23:56,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:56,969 INFO L93 Difference]: Finished difference Result 402 states and 485 transitions. [2024-11-08 17:23:56,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:23:56,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2024-11-08 17:23:56,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:56,973 INFO L225 Difference]: With dead ends: 402 [2024-11-08 17:23:56,973 INFO L226 Difference]: Without dead ends: 402 [2024-11-08 17:23:56,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:23:56,974 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 32 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 850 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 [2024-11-08 17:23:56,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 850 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:23:56,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-08 17:23:56,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2024-11-08 17:23:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 390 states have (on average 1.1974358974358974) internal successors, (467), 391 states have internal predecessors, (467), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 17:23:56,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 485 transitions. [2024-11-08 17:23:56,987 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 485 transitions. Word has length 149 [2024-11-08 17:23:56,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:56,987 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 485 transitions. [2024-11-08 17:23:56,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:23:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 485 transitions. [2024-11-08 17:23:56,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 17:23:56,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:56,990 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:57,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 17:23:57,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:57,191 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:23:57,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:57,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1820080154, now seen corresponding path program 1 times [2024-11-08 17:23:57,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:23:57,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522800422] [2024-11-08 17:23:57,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:57,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:57,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:57,194 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:57,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 17:23:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:58,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:23:58,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:58,165 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:23:58,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:58,165 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:23:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522800422] [2024-11-08 17:23:58,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522800422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:58,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:23:58,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:23:58,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752462261] [2024-11-08 17:23:58,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:58,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:23:58,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:23:58,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:23:58,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:23:58,169 INFO L87 Difference]: Start difference. First operand 402 states and 485 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:23:58,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:58,293 INFO L93 Difference]: Finished difference Result 378 states and 447 transitions. [2024-11-08 17:23:58,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:23:58,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 149 [2024-11-08 17:23:58,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:58,296 INFO L225 Difference]: With dead ends: 378 [2024-11-08 17:23:58,296 INFO L226 Difference]: Without dead ends: 378 [2024-11-08 17:23:58,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:23:58,298 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 30 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:23:58,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 840 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:23:58,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-08 17:23:58,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2024-11-08 17:23:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 366 states have (on average 1.1721311475409837) internal successors, (429), 367 states have internal predecessors, (429), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 17:23:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 447 transitions. [2024-11-08 17:23:58,311 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 447 transitions. Word has length 149 [2024-11-08 17:23:58,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:58,311 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 447 transitions. [2024-11-08 17:23:58,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:23:58,312 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 447 transitions. [2024-11-08 17:23:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 17:23:58,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:58,314 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:58,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 17:23:58,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:58,516 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:23:58,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:58,516 INFO L85 PathProgramCache]: Analyzing trace with hash 948473510, now seen corresponding path program 1 times [2024-11-08 17:23:58,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:23:58,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673627346] [2024-11-08 17:23:58,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:58,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:58,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:58,520 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:58,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 17:23:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:59,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:23:59,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 17:23:59,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:59,621 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:23:59,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673627346] [2024-11-08 17:23:59,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673627346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:59,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:23:59,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:23:59,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531321791] [2024-11-08 17:23:59,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:59,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:23:59,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:23:59,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:23:59,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:23:59,624 INFO L87 Difference]: Start difference. First operand 378 states and 447 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:23:59,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:59,729 INFO L93 Difference]: Finished difference Result 381 states and 453 transitions. [2024-11-08 17:23:59,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:23:59,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2024-11-08 17:23:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:59,734 INFO L225 Difference]: With dead ends: 381 [2024-11-08 17:23:59,735 INFO L226 Difference]: Without dead ends: 381 [2024-11-08 17:23:59,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:23:59,736 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 0 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:23:59,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 890 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:23:59,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-08 17:23:59,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2024-11-08 17:23:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 368 states have (on average 1.173913043478261) internal successors, (432), 370 states have internal predecessors, (432), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-08 17:23:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 453 transitions. [2024-11-08 17:23:59,762 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 453 transitions. Word has length 149 [2024-11-08 17:23:59,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:59,764 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 453 transitions. [2024-11-08 17:23:59,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:23:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 453 transitions. [2024-11-08 17:23:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 17:23:59,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:59,767 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:59,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 17:23:59,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:59,972 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:23:59,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:59,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1433998946, now seen corresponding path program 1 times [2024-11-08 17:23:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:23:59,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [885414325] [2024-11-08 17:23:59,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:59,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:59,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:59,976 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:59,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 17:24:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:01,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:24:01,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 17:24:01,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:24:01,340 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 17:24:01,340 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:24:01,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885414325] [2024-11-08 17:24:01,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885414325] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:24:01,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:24:01,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-08 17:24:01,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293427297] [2024-11-08 17:24:01,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:24:01,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:24:01,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:24:01,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:24:01,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:24:01,344 INFO L87 Difference]: Start difference. First operand 381 states and 453 transitions. Second operand has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 17:24:01,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:24:01,702 INFO L93 Difference]: Finished difference Result 392 states and 474 transitions. [2024-11-08 17:24:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:24:01,704 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 153 [2024-11-08 17:24:01,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:24:01,706 INFO L225 Difference]: With dead ends: 392 [2024-11-08 17:24:01,706 INFO L226 Difference]: Without dead ends: 392 [2024-11-08 17:24:01,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:24:01,708 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 4 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:24:01,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1175 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:24:01,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-08 17:24:01,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 390. [2024-11-08 17:24:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 376 states have (on average 1.1861702127659575) internal successors, (446), 378 states have internal predecessors, (446), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2024-11-08 17:24:01,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 470 transitions. [2024-11-08 17:24:01,723 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 470 transitions. Word has length 153 [2024-11-08 17:24:01,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:24:01,724 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 470 transitions. [2024-11-08 17:24:01,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 17:24:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 470 transitions. [2024-11-08 17:24:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-08 17:24:01,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:24:01,727 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:01,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 17:24:01,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:01,931 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:24:01,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:01,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1673949926, now seen corresponding path program 2 times [2024-11-08 17:24:01,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:24:01,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [66558211] [2024-11-08 17:24:01,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:24:01,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:01,936 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:01,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 17:24:02,961 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:24:02,961 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:24:02,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:24:02,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-08 17:24:03,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:24:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-08 17:24:03,484 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:24:03,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66558211] [2024-11-08 17:24:03,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66558211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:24:03,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:24:03,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-08 17:24:03,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022927088] [2024-11-08 17:24:03,485 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:24:03,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:24:03,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:24:03,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:24:03,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:24:03,488 INFO L87 Difference]: Start difference. First operand 390 states and 470 transitions. Second operand has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:24:04,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:24:04,087 INFO L93 Difference]: Finished difference Result 398 states and 480 transitions. [2024-11-08 17:24:04,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:24:04,088 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 161 [2024-11-08 17:24:04,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:24:04,091 INFO L225 Difference]: With dead ends: 398 [2024-11-08 17:24:04,091 INFO L226 Difference]: Without dead ends: 396 [2024-11-08 17:24:04,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:24:04,093 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 6 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:24:04,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1187 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:24:04,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-08 17:24:04,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 394. [2024-11-08 17:24:04,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 380 states have (on average 1.1894736842105262) internal successors, (452), 382 states have internal predecessors, (452), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-08 17:24:04,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 473 transitions. [2024-11-08 17:24:04,110 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 473 transitions. Word has length 161 [2024-11-08 17:24:04,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:24:04,110 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 473 transitions. [2024-11-08 17:24:04,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:24:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 473 transitions. [2024-11-08 17:24:04,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-08 17:24:04,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:24:04,113 INFO L215 NwaCegarLoop]: trace histogram [20, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:04,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-08 17:24:04,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:04,314 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:24:04,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:04,315 INFO L85 PathProgramCache]: Analyzing trace with hash 513508966, now seen corresponding path program 3 times [2024-11-08 17:24:04,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:24:04,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [612035120] [2024-11-08 17:24:04,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 17:24:04,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:04,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:04,319 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:04,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73291067-100c-41d9-8676-d26caa1ca69b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process