./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c172a69da8014b256a4fe200ae36374b8205f0bb7886b059c874c99d6c4501c ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c172a69da8014b256a4fe200ae36374b8205f0bb7886b059c874c99d6c4501c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:18:14,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:18:14,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:18:14,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:18:14,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:18:14,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:18:14,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:18:14,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:18:14,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:18:14,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:18:14,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:18:14,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:18:14,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:18:14,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:18:14,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:18:14,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:18:14,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:18:14,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:18:14,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:18:14,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:18:14,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:18:14,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:18:14,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:18:14,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:18:14,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:18:14,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:18:14,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:18:14,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:18:14,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:18:14,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:18:14,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:18:14,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:18:14,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:18:14,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:18:14,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:18:14,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:18:14,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:18:14,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:18:14,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:18:14,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:18:14,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:18:14,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 19:18:14,394 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:18:14,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:18:14,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:18:14,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:18:14,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:18:14,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:18:14,397 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:18:14,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:18:14,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:18:14,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:18:14,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:18:14,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:18:14,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:18:14,398 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:18:14,398 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:18:14,399 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:18:14,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:18:14,399 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:18:14,399 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:18:14,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:18:14,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:18:14,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:18:14,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:18:14,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:18:14,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:18:14,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:18:14,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:18:14,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:18:14,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:18:14,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c172a69da8014b256a4fe200ae36374b8205f0bb7886b059c874c99d6c4501c [2021-10-21 19:18:14,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:18:14,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:18:14,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:18:14,671 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:18:14,672 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:18:14,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-10-21 19:18:14,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/data/574ebcdee/adc62d688e6b40ca80cd578f1ef4f1f4/FLAGf763026fd [2021-10-21 19:18:15,291 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:18:15,292 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-10-21 19:18:15,312 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/data/574ebcdee/adc62d688e6b40ca80cd578f1ef4f1f4/FLAGf763026fd [2021-10-21 19:18:15,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/data/574ebcdee/adc62d688e6b40ca80cd578f1ef4f1f4 [2021-10-21 19:18:15,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:18:15,592 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:18:15,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:18:15,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:18:15,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:18:15,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:18:15" (1/1) ... [2021-10-21 19:18:15,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76382db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:15, skipping insertion in model container [2021-10-21 19:18:15,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:18:15" (1/1) ... [2021-10-21 19:18:15,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:18:15,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:18:16,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:18:16,235 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-21 19:18:16,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23cf2a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:16, skipping insertion in model container [2021-10-21 19:18:16,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:18:16,236 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:18:16,239 INFO L168 Benchmark]: Toolchain (without parser) took 645.29 ms. Allocated memory is still 113.2 MB. Free memory was 73.8 MB in the beginning and 82.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:18:16,241 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 113.2 MB. Free memory was 91.8 MB in the beginning and 91.7 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:18:16,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.38 ms. Allocated memory is still 113.2 MB. Free memory was 73.6 MB in the beginning and 82.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:18:16,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 113.2 MB. Free memory was 91.8 MB in the beginning and 91.7 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 640.38 ms. Allocated memory is still 113.2 MB. Free memory was 73.6 MB in the beginning and 82.9 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:18:18,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:18:18,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:18:18,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:18:18,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:18:18,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:18:18,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:18:18,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:18:18,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:18:18,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:18:18,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:18:18,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:18:18,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:18:18,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:18:18,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:18:18,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:18:18,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:18:18,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:18:18,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:18:18,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:18:18,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:18:18,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:18:18,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:18:18,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:18:18,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:18:18,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:18:18,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:18:18,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:18:18,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:18:18,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:18:18,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:18:18,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:18:18,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:18:18,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:18:18,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:18:18,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:18:18,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:18:18,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:18:18,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:18:18,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:18:18,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:18:18,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 19:18:18,752 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:18:18,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:18:18,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:18:18,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:18:18,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:18:18,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:18:18,756 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:18:18,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:18:18,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:18:18,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:18:18,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:18:18,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:18:18,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:18:18,758 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:18:18,759 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:18:18,759 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:18:18,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:18:18,759 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:18:18,759 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:18:18,759 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:18:18,760 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:18:18,760 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:18:18,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:18:18,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:18:18,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:18:18,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:18:18,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:18:18,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:18:18,761 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:18:18,762 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:18:18,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:18:18,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:18:18,762 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c172a69da8014b256a4fe200ae36374b8205f0bb7886b059c874c99d6c4501c [2021-10-21 19:18:19,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:18:19,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:18:19,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:18:19,190 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:18:19,190 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:18:19,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-10-21 19:18:19,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/data/2c61d125a/3cd41de8d57d4716b6ea18d099635f27/FLAG26434a554 [2021-10-21 19:18:19,940 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:18:19,941 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/sv-benchmarks/c/ldv-memsafety/memleaks_test7-1.i [2021-10-21 19:18:19,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/data/2c61d125a/3cd41de8d57d4716b6ea18d099635f27/FLAG26434a554 [2021-10-21 19:18:20,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/data/2c61d125a/3cd41de8d57d4716b6ea18d099635f27 [2021-10-21 19:18:20,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:18:20,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:18:20,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:18:20,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:18:20,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:18:20,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:18:20" (1/1) ... [2021-10-21 19:18:20,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321266c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:20, skipping insertion in model container [2021-10-21 19:18:20,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:18:20" (1/1) ... [2021-10-21 19:18:20,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:18:20,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:18:20,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:18:20,880 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 19:18:20,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:18:20,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:18:21,009 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:18:21,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:18:21,151 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:18:21,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:21 WrapperNode [2021-10-21 19:18:21,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:18:21,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:18:21,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:18:21,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:18:21,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:21" (1/1) ... [2021-10-21 19:18:21,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:21" (1/1) ... [2021-10-21 19:18:21,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:21" (1/1) ... [2021-10-21 19:18:21,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:21" (1/1) ... [2021-10-21 19:18:21,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:21" (1/1) ... [2021-10-21 19:18:21,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:21" (1/1) ... [2021-10-21 19:18:21,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:21" (1/1) ... [2021-10-21 19:18:21,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:18:21,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:18:21,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:18:21,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:18:21,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:21" (1/1) ... [2021-10-21 19:18:21,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:18:21,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:18:21,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:18:21,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:18:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 19:18:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:18:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:18:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:18:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 19:18:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 19:18:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 19:18:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 19:18:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 19:18:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-21 19:18:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-21 19:18:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-21 19:18:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-21 19:18:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:18:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-21 19:18:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-21 19:18:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-21 19:18:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-21 19:18:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-21 19:18:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-21 19:18:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-21 19:18:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-21 19:18:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-21 19:18:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-21 19:18:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-21 19:18:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-21 19:18:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-21 19:18:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-21 19:18:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-21 19:18:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-21 19:18:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-21 19:18:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-21 19:18:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-21 19:18:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-21 19:18:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-21 19:18:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-21 19:18:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-21 19:18:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-21 19:18:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-21 19:18:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-21 19:18:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-21 19:18:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-21 19:18:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2021-10-21 19:18:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2021-10-21 19:18:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2021-10-21 19:18:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2021-10-21 19:18:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-21 19:18:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 19:18:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-21 19:18:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-21 19:18:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 19:18:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 19:18:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 19:18:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 19:18:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 19:18:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 19:18:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 19:18:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 19:18:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 19:18:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 19:18:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 19:18:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 19:18:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 19:18:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 19:18:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 19:18:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 19:18:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 19:18:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 19:18:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 19:18:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 19:18:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 19:18:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 19:18:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 19:18:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 19:18:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 19:18:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 19:18:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 19:18:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 19:18:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 19:18:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 19:18:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 19:18:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 19:18:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 19:18:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 19:18:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 19:18:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 19:18:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 19:18:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 19:18:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 19:18:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 19:18:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 19:18:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 19:18:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 19:18:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 19:18:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 19:18:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 19:18:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 19:18:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 19:18:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 19:18:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 19:18:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 19:18:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 19:18:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 19:18:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 19:18:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 19:18:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 19:18:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 19:18:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 19:18:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 19:18:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 19:18:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 19:18:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 19:18:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 19:18:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 19:18:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 19:18:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 19:18:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 19:18:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 19:18:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 19:18:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 19:18:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 19:18:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 19:18:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 19:18:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 19:18:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 19:18:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 19:18:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 19:18:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 19:18:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 19:18:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 19:18:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 19:18:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 19:18:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 19:18:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 19:18:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 19:18:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 19:18:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 19:18:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 19:18:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 19:18:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 19:18:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 19:18:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 19:18:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 19:18:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 19:18:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 19:18:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 19:18:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 19:18:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 19:18:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 19:18:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 19:18:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 19:18:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 19:18:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 19:18:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 19:18:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 19:18:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 19:18:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 19:18:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 19:18:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-21 19:18:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 19:18:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-21 19:18:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-21 19:18:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 19:18:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 19:18:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-21 19:18:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:18:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-21 19:18:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-21 19:18:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-21 19:18:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:18:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-21 19:18:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-21 19:18:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-21 19:18:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:18:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-21 19:18:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-21 19:18:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-21 19:18:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-21 19:18:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 19:18:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-21 19:18:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:18:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-21 19:18:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-21 19:18:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-21 19:18:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-21 19:18:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-21 19:18:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:18:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:18:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-21 19:18:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-21 19:18:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 19:18:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-21 19:18:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-21 19:18:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-21 19:18:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-21 19:18:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-21 19:18:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-21 19:18:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-21 19:18:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-21 19:18:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-21 19:18:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-21 19:18:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-21 19:18:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-21 19:18:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-21 19:18:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-21 19:18:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2021-10-21 19:18:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2021-10-21 19:18:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2021-10-21 19:18:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2021-10-21 19:18:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-21 19:18:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:18:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 19:18:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 19:18:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:18:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:18:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:18:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:18:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 19:18:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 19:18:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 19:18:22,105 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:18:22,467 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:18:22,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:18:22,844 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-21 19:18:22,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:18:22 BoogieIcfgContainer [2021-10-21 19:18:22,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:18:22,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:18:22,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:18:22,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:18:22,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:18:20" (1/3) ... [2021-10-21 19:18:22,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1905e504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:18:22, skipping insertion in model container [2021-10-21 19:18:22,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:18:21" (2/3) ... [2021-10-21 19:18:22,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1905e504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:18:22, skipping insertion in model container [2021-10-21 19:18:22,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:18:22" (3/3) ... [2021-10-21 19:18:22,858 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test7-1.i [2021-10-21 19:18:22,864 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:18:22,864 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2021-10-21 19:18:22,936 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:18:22,944 INFO L339 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, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:18:22,945 INFO L340 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2021-10-21 19:18:22,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 95 states have internal predecessors, (104), 15 states have call successors, (15), 14 states have call predecessors, (15), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-10-21 19:18:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 19:18:22,990 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:18:22,990 INFO L512 BasicCegarLoop]: 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] [2021-10-21 19:18:22,991 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-21 19:18:22,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:18:22,998 INFO L82 PathProgramCache]: Analyzing trace with hash 436226143, now seen corresponding path program 1 times [2021-10-21 19:18:23,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:18:23,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904441470] [2021-10-21 19:18:23,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:18:23,012 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:18:23,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:18:23,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:18:23,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:18:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:18:23,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:18:23,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:18:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:18:23,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:18:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:18:23,537 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:18:23,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904441470] [2021-10-21 19:18:23,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904441470] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:18:23,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:18:23,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 19:18:23,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033860657] [2021-10-21 19:18:23,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:18:23,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:18:23,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:18:23,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:18:23,565 INFO L87 Difference]: Start difference. First operand has 124 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 95 states have internal predecessors, (104), 15 states have call successors, (15), 14 states have call predecessors, (15), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-21 19:18:23,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:18:23,623 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2021-10-21 19:18:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:18:23,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-10-21 19:18:23,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:18:23,638 INFO L225 Difference]: With dead ends: 53 [2021-10-21 19:18:23,638 INFO L226 Difference]: Without dead ends: 50 [2021-10-21 19:18:23,640 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.1ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:18:23,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-21 19:18:23,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-10-21 19:18:23,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-21 19:18:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2021-10-21 19:18:23,683 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2021-10-21 19:18:23,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:18:23,683 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2021-10-21 19:18:23,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-21 19:18:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-10-21 19:18:23,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 19:18:23,687 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:18:23,687 INFO L512 BasicCegarLoop]: 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] [2021-10-21 19:18:23,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:18:23,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:18:23,900 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-21 19:18:23,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:18:23,900 INFO L82 PathProgramCache]: Analyzing trace with hash 638108999, now seen corresponding path program 1 times [2021-10-21 19:18:23,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:18:23,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297542400] [2021-10-21 19:18:23,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:18:23,901 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:18:23,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:18:23,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:18:23,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:18:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:18:24,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:18:24,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:18:24,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:18:24,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:18:24,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:18:24,613 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:18:24,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297542400] [2021-10-21 19:18:24,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297542400] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:18:24,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:18:24,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2021-10-21 19:18:24,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341357030] [2021-10-21 19:18:24,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:18:24,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:18:24,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:18:24,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:18:24,616 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-21 19:18:24,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:18:24,905 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2021-10-21 19:18:24,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:18:24,906 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 24 [2021-10-21 19:18:24,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:18:24,908 INFO L225 Difference]: With dead ends: 85 [2021-10-21 19:18:24,908 INFO L226 Difference]: Without dead ends: 85 [2021-10-21 19:18:24,909 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 125.6ms TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:18:24,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-21 19:18:24,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 53. [2021-10-21 19:18:24,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 37 states have internal predecessors, (41), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2021-10-21 19:18:24,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2021-10-21 19:18:24,917 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2021-10-21 19:18:24,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:18:24,918 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2021-10-21 19:18:24,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-21 19:18:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-10-21 19:18:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 19:18:24,921 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:18:24,921 INFO L512 BasicCegarLoop]: 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] [2021-10-21 19:18:24,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:18:25,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:18:25,133 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-21 19:18:25,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:18:25,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1693457055, now seen corresponding path program 1 times [2021-10-21 19:18:25,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:18:25,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951037972] [2021-10-21 19:18:25,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:18:25,134 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:18:25,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:18:25,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:18:25,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:18:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:18:25,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:18:25,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:18:25,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-21 19:18:25,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:18:25,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:18:25,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:18:25,642 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:18:25,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1951037972] [2021-10-21 19:18:25,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1951037972] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:18:25,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:18:25,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2021-10-21 19:18:25,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706260502] [2021-10-21 19:18:25,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:18:25,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:18:25,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:18:25,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:18:25,647 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:18:25,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:18:25,811 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2021-10-21 19:18:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:18:25,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2021-10-21 19:18:25,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:18:25,815 INFO L225 Difference]: With dead ends: 77 [2021-10-21 19:18:25,815 INFO L226 Difference]: Without dead ends: 77 [2021-10-21 19:18:25,816 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 40.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:18:25,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-21 19:18:25,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 62. [2021-10-21 19:18:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.25) internal successors, (50), 44 states have internal predecessors, (50), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2021-10-21 19:18:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2021-10-21 19:18:25,827 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 25 [2021-10-21 19:18:25,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:18:25,828 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2021-10-21 19:18:25,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:18:25,829 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-10-21 19:18:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 19:18:25,831 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:18:25,831 INFO L512 BasicCegarLoop]: 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] [2021-10-21 19:18:25,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:18:26,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:18:26,043 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-21 19:18:26,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:18:26,043 INFO L82 PathProgramCache]: Analyzing trace with hash -2073787341, now seen corresponding path program 1 times [2021-10-21 19:18:26,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:18:26,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074388434] [2021-10-21 19:18:26,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:18:26,044 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:18:26,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:18:26,045 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:18:26,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:18:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:18:26,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 19:18:26,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:18:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:18:26,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:18:34,791 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_entry_point_~#a7~0.base_13| (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_4| (store |c_old(#valid)| |v_entry_point_~#a7~0.base_13| (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_~#a7~0.base_13|))))))))))) (= |v_old(#valid)_BEFORE_CALL_4| (store |c_#valid| |c_entry_point_~#a7~0.base| (_ bv0 1))))) is different from false [2021-10-21 19:18:35,184 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-21 19:18:35,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 70 treesize of output 117 [2021-10-21 19:18:35,746 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 19:18:35,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 33 [2021-10-21 19:18:35,900 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_~#a7~0.base_16| (_ BitVec 32))) (or (exists ((|v_entry_point_~#a7~0.base_13| (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_4| (store |c_old(#valid)| |v_entry_point_~#a7~0.base_13| (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_~#a7~0.base_13|))))))))))) (= (store |c_#valid| |v_entry_point_~#a7~0.base_16| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_4|) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_entry_point_~#a7~0.base_16|))))))) is different from false [2021-10-21 19:18:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:18:35,923 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:18:35,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074388434] [2021-10-21 19:18:35,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074388434] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:18:35,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:18:35,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 6] imperfect sequences [] total 8 [2021-10-21 19:18:35,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603541022] [2021-10-21 19:18:35,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:18:35,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:18:35,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:18:35,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=21, Unknown=10, NotChecked=22, Total=72 [2021-10-21 19:18:35,926 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand has 9 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-21 19:20:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:20:04,748 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2021-10-21 19:20:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:20:04,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 24 [2021-10-21 19:20:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:20:04,749 INFO L225 Difference]: With dead ends: 79 [2021-10-21 19:20:04,749 INFO L226 Difference]: Without dead ends: 65 [2021-10-21 19:20:04,750 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 8197.5ms TimeCoverageRelationStatistics Valid=19, Invalid=21, Unknown=10, NotChecked=22, Total=72 [2021-10-21 19:20:04,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-21 19:20:04,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2021-10-21 19:20:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 44 states have internal predecessors, (50), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2021-10-21 19:20:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2021-10-21 19:20:04,756 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 24 [2021-10-21 19:20:04,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:20:04,757 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2021-10-21 19:20:04,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-21 19:20:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2021-10-21 19:20:04,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 19:20:04,758 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:20:04,758 INFO L512 BasicCegarLoop]: 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] [2021-10-21 19:20:04,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-21 19:20:04,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:20:04,959 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-21 19:20:04,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:20:04,959 INFO L82 PathProgramCache]: Analyzing trace with hash 2095951616, now seen corresponding path program 1 times [2021-10-21 19:20:04,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:20:04,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692212707] [2021-10-21 19:20:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:20:04,960 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:20:04,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:20:04,961 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:20:04,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:20:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:20:05,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:20:05,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:20:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:20:05,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:20:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:20:05,386 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:20:05,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692212707] [2021-10-21 19:20:05,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1692212707] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:20:05,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:20:05,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-21 19:20:05,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364944252] [2021-10-21 19:20:05,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:20:05,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:20:05,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:20:05,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:20:05,388 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:20:05,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:20:05,410 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2021-10-21 19:20:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:20:05,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2021-10-21 19:20:05,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:20:05,412 INFO L225 Difference]: With dead ends: 52 [2021-10-21 19:20:05,412 INFO L226 Difference]: Without dead ends: 48 [2021-10-21 19:20:05,413 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.8ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:20:05,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-21 19:20:05,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-10-21 19:20:05,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 32 states have internal predecessors, (34), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-21 19:20:05,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2021-10-21 19:20:05,416 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 25 [2021-10-21 19:20:05,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:20:05,417 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2021-10-21 19:20:05,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-21 19:20:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2021-10-21 19:20:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-21 19:20:05,418 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:20:05,418 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:20:05,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:20:05,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:20:05,624 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting probe1_6Err0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-21 19:20:05,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:20:05,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1373990059, now seen corresponding path program 1 times [2021-10-21 19:20:05,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:20:05,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405262159] [2021-10-21 19:20:05,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:20:05,625 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:20:05,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:20:05,626 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:20:05,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-21 19:20:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:20:05,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:20:05,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:20:05,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-21 19:20:05,981 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-21 19:20:05,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 20 [2021-10-21 19:20:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:20:06,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:20:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:20:06,407 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:20:06,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405262159] [2021-10-21 19:20:06,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405262159] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:20:06,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:20:06,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 8 [2021-10-21 19:20:06,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388209258] [2021-10-21 19:20:06,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:20:06,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:20:06,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:20:06,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:20:06,410 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand has 9 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 3 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-10-21 19:20:06,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:20:06,851 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2021-10-21 19:20:06,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:20:06,852 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 3 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 29 [2021-10-21 19:20:06,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:20:06,853 INFO L225 Difference]: With dead ends: 56 [2021-10-21 19:20:06,853 INFO L226 Difference]: Without dead ends: 56 [2021-10-21 19:20:06,853 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 287.4ms TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-10-21 19:20:06,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-10-21 19:20:06,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2021-10-21 19:20:06,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.1) internal successors, (33), 31 states have internal predecessors, (33), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-21 19:20:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2021-10-21 19:20:06,858 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 29 [2021-10-21 19:20:06,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:20:06,858 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2021-10-21 19:20:06,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 3 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-10-21 19:20:06,858 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2021-10-21 19:20:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-21 19:20:06,859 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:20:06,860 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:20:06,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:20:07,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:20:07,072 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting probe1_6Err1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-21 19:20:07,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:20:07,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1373990058, now seen corresponding path program 1 times [2021-10-21 19:20:07,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:20:07,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121984422] [2021-10-21 19:20:07,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:20:07,073 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:20:07,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:20:07,080 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:20:07,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-21 19:20:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:20:07,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 19:20:07,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:20:07,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-21 19:20:11,580 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-21 19:20:11,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-10-21 19:20:11,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:20:11,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:20:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:20:13,694 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:20:13,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121984422] [2021-10-21 19:20:13,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [121984422] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:20:13,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:20:13,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2021-10-21 19:20:13,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140778262] [2021-10-21 19:20:13,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-21 19:20:13,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:20:13,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-21 19:20:13,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=167, Unknown=2, NotChecked=0, Total=210 [2021-10-21 19:20:13,697 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 6 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2021-10-21 19:20:22,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:20:22,772 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2021-10-21 19:20:22,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-21 19:20:22,773 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 6 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 29 [2021-10-21 19:20:22,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:20:22,774 INFO L225 Difference]: With dead ends: 46 [2021-10-21 19:20:22,774 INFO L226 Difference]: Without dead ends: 46 [2021-10-21 19:20:22,777 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 6311.6ms TimeCoverageRelationStatistics Valid=105, Invalid=399, Unknown=2, NotChecked=0, Total=506 [2021-10-21 19:20:22,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-21 19:20:22,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-21 19:20:22,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 30 states have internal predecessors, (32), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-21 19:20:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2021-10-21 19:20:22,781 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 29 [2021-10-21 19:20:22,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:20:22,781 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2021-10-21 19:20:22,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 6 states have call successors, (11), 6 states have call predecessors, (11), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2021-10-21 19:20:22,782 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2021-10-21 19:20:22,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 19:20:22,783 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:20:22,783 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:20:22,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:20:22,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:20:22,991 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-21 19:20:22,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:20:22,992 INFO L82 PathProgramCache]: Analyzing trace with hash 502378319, now seen corresponding path program 1 times [2021-10-21 19:20:22,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:20:22,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503526762] [2021-10-21 19:20:22,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:20:22,993 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:20:22,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:20:22,994 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:20:22,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-21 19:20:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:20:23,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:20:23,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:20:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:20:23,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:20:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:20:23,586 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:20:23,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503526762] [2021-10-21 19:20:23,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503526762] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:20:23,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:20:23,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-21 19:20:23,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781058262] [2021-10-21 19:20:23,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:20:23,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:20:23,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:20:23,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:20:23,588 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2021-10-21 19:20:23,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:20:23,636 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2021-10-21 19:20:23,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:20:23,638 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) Word has length 37 [2021-10-21 19:20:23,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:20:23,639 INFO L225 Difference]: With dead ends: 50 [2021-10-21 19:20:23,639 INFO L226 Difference]: Without dead ends: 43 [2021-10-21 19:20:23,639 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 77.9ms TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:20:23,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-21 19:20:23,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-21 19:20:23,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.0) internal successors, (27), 27 states have internal predecessors, (27), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-21 19:20:23,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2021-10-21 19:20:23,643 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 37 [2021-10-21 19:20:23,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:20:23,644 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2021-10-21 19:20:23,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2021-10-21 19:20:23,644 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2021-10-21 19:20:23,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-21 19:20:23,645 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:20:23,646 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:20:23,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-21 19:20:23,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:20:23,857 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 72 more)] === [2021-10-21 19:20:23,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:20:23,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1897000381, now seen corresponding path program 1 times [2021-10-21 19:20:23,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:20:23,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698883022] [2021-10-21 19:20:23,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:20:23,858 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:20:23,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:20:23,859 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:20:23,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-21 19:20:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:20:24,144 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:20:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:20:24,224 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 19:20:24,224 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:20:24,225 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 19:20:24,227 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,227 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,227 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-21 19:20:24,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-21 19:20:24,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-21 19:20:24,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-21 19:20:24,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-21 19:20:24,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-21 19:20:24,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-21 19:20:24,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-21 19:20:24,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-21 19:20:24,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-21 19:20:24,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:20:24,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:20:24,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-21 19:20:24,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-21 19:20:24,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-21 19:20:24,234 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-21 19:20:24,234 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-21 19:20:24,234 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-21 19:20:24,234 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,234 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,235 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-21 19:20:24,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-21 19:20:24,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-21 19:20:24,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-21 19:20:24,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,238 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,239 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 19:20:24,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 19:20:24,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-21 19:20:24,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-21 19:20:24,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err0REQUIRES_VIOLATION [2021-10-21 19:20:24,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err1REQUIRES_VIOLATION [2021-10-21 19:20:24,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,241 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:20:24,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:20:24,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:20:24,462 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:20:24,473 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-21 19:20:24,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:20:24 BoogieIcfgContainer [2021-10-21 19:20:24,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:20:24,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:20:24,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:20:24,499 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:20:24,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:18:22" (3/4) ... [2021-10-21 19:20:24,503 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:20:24,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:20:24,504 INFO L168 Benchmark]: Toolchain (without parser) took 124227.08 ms. Allocated memory was 52.4 MB in the beginning and 96.5 MB in the end (delta: 44.0 MB). Free memory was 26.5 MB in the beginning and 50.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:20:24,505 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 32.0 MB in the beginning and 32.0 MB in the end (delta: 18.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:20:24,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.04 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.3 MB in the beginning and 37.8 MB in the end (delta: -11.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:20:24,506 INFO L168 Benchmark]: Boogie Preprocessor took 123.70 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 33.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:20:24,507 INFO L168 Benchmark]: RCFGBuilder took 1569.52 ms. Allocated memory is still 62.9 MB. Free memory was 32.8 MB in the beginning and 27.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:20:24,507 INFO L168 Benchmark]: TraceAbstraction took 121647.83 ms. Allocated memory was 62.9 MB in the beginning and 96.5 MB in the end (delta: 33.6 MB). Free memory was 26.8 MB in the beginning and 51.3 MB in the end (delta: -24.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:20:24,508 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 96.5 MB. Free memory was 51.3 MB in the beginning and 50.4 MB in the end (delta: 864.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:20:24,510 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 32.0 MB in the beginning and 32.0 MB in the end (delta: 18.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 871.04 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.3 MB in the beginning and 37.8 MB in the end (delta: -11.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.70 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 33.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1569.52 ms. Allocated memory is still 62.9 MB. Free memory was 32.8 MB in the beginning and 27.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 121647.83 ms. Allocated memory was 62.9 MB in the beginning and 96.5 MB in the end (delta: 33.6 MB). Free memory was 26.8 MB in the beginning and 51.3 MB in the end (delta: -24.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.88 ms. Allocated memory is still 96.5 MB. Free memory was 51.3 MB in the beginning and 50.4 MB in the end (delta: 864.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 789]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 789. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L790] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L783] struct A a7; VAL [a7={3:0}, ldv_global_msg_list={-2147483648:0}] [L784] CALL, EXPR probe1_6(&a7) VAL [a={3:0}, ldv_global_msg_list={-2147483648:0}] [L764] int ret = - -3; VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L765] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}, ret=3] [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=3] [L768] CALL, EXPR f6() VAL [ldv_global_msg_list={-2147483648:0}] [L758] return __VERIFIER_nondet_int(); [L768] RET, EXPR f6() VAL [a={3:0}, a={3:0}, f6()=0, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=3] [L768] ret = f6() [L769] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=0] [L771] CALL, EXPR g6() VAL [ldv_global_msg_list={-2147483648:0}] [L761] return __VERIFIER_nondet_int(); [L771] RET, EXPR g6() VAL [a={3:0}, a={3:0}, g6()=0, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=0] [L771] ret = g6() [L772] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=0] [L774] a->p = p VAL [a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=0] [L775] return 0; VAL [\result=0, a={3:0}, a={3:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}, ret=0] [L784] RET, EXPR probe1_6(&a7) VAL [a7={3:0}, ldv_global_msg_list={-2147483648:0}, probe1_6(&a7)=0] [L784] int ret = probe1_6(&a7); [L785] COND TRUE ret==0 VAL [a7={3:0}, ldv_global_msg_list={-2147483648:0}, ret=0] [L786] FCALL disconnect_2_6(&a7) VAL [a7={3:0}, ldv_global_msg_list={-2147483648:0}, ret=0] [L790] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 364 locations, 76 error locations. Started 1 CEGAR loops. OverallTime: 121526.9ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 41.2ms, AutomataDifference: 98983.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 381 SDtfs, 359 SDslu, 1161 SDs, 0 SdLazy, 693 SolverSat, 102 SolverUnsat, 52 SolverUnknown, 0 SolverNotchecked, 97258.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 443 GetRequests, 357 SyntacticMatches, 18 SemanticMatches, 68 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 15082.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 70.8ms AutomataMinimizationTime, 8 MinimizatonAttempts, 58 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 99.8ms SsaConstructionTime, 268.8ms SatisfiabilityAnalysisTime, 18384.9ms InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 416 ConstructedInterpolants, 44 QuantifiedInterpolants, 1932 SizeOfPredicates, 13 NumberOfNonLiveVariables, 868 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 19:20:24,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cabddd5-8b29-4f41-88e5-49ff903b7c10/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...