./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD --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 e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 ................................................................................................................................... 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_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD --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 e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:57:41,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:57:41,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:57:41,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:57:41,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:57:41,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:57:41,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:57:41,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:57:41,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:57:41,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:57:41,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:57:41,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:57:41,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:57:41,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:57:41,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:57:41,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:57:41,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:57:41,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:57:41,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:57:41,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:57:41,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:57:41,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:57:41,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:57:41,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:57:41,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:57:41,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:57:41,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:57:41,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:57:41,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:57:41,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:57:41,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:57:41,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:57:41,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:57:41,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:57:41,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:57:41,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:57:41,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:57:41,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:57:41,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:57:41,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:57:41,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:57:41,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 22:57:41,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:57:41,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:57:41,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:57:41,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:57:41,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:57:41,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:57:41,459 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:57:41,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:57:41,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:57:41,460 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:57:41,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:57:41,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:57:41,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:57:41,462 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 22:57:41,463 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 22:57:41,463 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 22:57:41,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:57:41,463 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 22:57:41,464 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:57:41,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:57:41,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:57:41,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:57:41,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:57:41,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:57:41,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:57:41,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:57:41,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:57:41,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:57:41,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:57:41,466 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_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2021-10-28 22:57:41,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:57:41,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:57:41,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:57:41,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:57:41,768 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:57:41,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-28 22:57:41,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/data/b96d5ebbe/174985e006744e4292f5ca67d44c9fdb/FLAG34b3975ab [2021-10-28 22:57:42,575 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:57:42,576 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-28 22:57:42,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/data/b96d5ebbe/174985e006744e4292f5ca67d44c9fdb/FLAG34b3975ab [2021-10-28 22:57:42,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/data/b96d5ebbe/174985e006744e4292f5ca67d44c9fdb [2021-10-28 22:57:42,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:57:42,780 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 22:57:42,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:57:42,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:57:42,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:57:42,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:57:42" (1/1) ... [2021-10-28 22:57:42,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772525f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:42, skipping insertion in model container [2021-10-28 22:57:42,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:57:42" (1/1) ... [2021-10-28 22:57:42,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:57:42,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:57:43,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:57:43,368 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) [2021-10-28 22:57:43,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d7aee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:43, skipping insertion in model container [2021-10-28 22:57:43,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:57:43,370 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 22:57:43,374 INFO L168 Benchmark]: Toolchain (without parser) took 590.74 ms. Allocated memory was 100.7 MB in the beginning and 144.7 MB in the end (delta: 44.0 MB). Free memory was 65.3 MB in the beginning and 116.4 MB in the end (delta: -51.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:43,376 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory is still 55.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:57:43,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.74 ms. Allocated memory was 100.7 MB in the beginning and 144.7 MB in the end (delta: 44.0 MB). Free memory was 65.0 MB in the beginning and 116.4 MB in the end (delta: -51.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:43,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory is still 55.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 582.74 ms. Allocated memory was 100.7 MB in the beginning and 144.7 MB in the end (delta: 44.0 MB). Free memory was 65.0 MB in the beginning and 116.4 MB in the end (delta: -51.4 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-b2eff8b [2021-10-28 22:57:45,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:57:45,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:57:45,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:57:45,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:57:45,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:57:45,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:57:46,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:57:46,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:57:46,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:57:46,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:57:46,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:57:46,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:57:46,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:57:46,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:57:46,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:57:46,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:57:46,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:57:46,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:57:46,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:57:46,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:57:46,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:57:46,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:57:46,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:57:46,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:57:46,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:57:46,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:57:46,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:57:46,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:57:46,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:57:46,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:57:46,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:57:46,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:57:46,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:57:46,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:57:46,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:57:46,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:57:46,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:57:46,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:57:46,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:57:46,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:57:46,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 22:57:46,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:57:46,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:57:46,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:57:46,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:57:46,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:57:46,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:57:46,154 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:57:46,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:57:46,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:57:46,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:57:46,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:57:46,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:57:46,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:57:46,156 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 22:57:46,156 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 22:57:46,156 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 22:57:46,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:57:46,157 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 22:57:46,157 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 22:57:46,157 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 22:57:46,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:57:46,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:57:46,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:57:46,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:57:46,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:57:46,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:57:46,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:57:46,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:57:46,160 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 22:57:46,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 22:57:46,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:57:46,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 22:57:46,161 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_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2021-10-28 22:57:46,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:57:46,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:57:46,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:57:46,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:57:46,628 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:57:46,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-28 22:57:46,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/data/2a1a8fec0/987ae05da3d947e7813e862ed532e667/FLAG08aeaaa4f [2021-10-28 22:57:47,409 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:57:47,410 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-28 22:57:47,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/data/2a1a8fec0/987ae05da3d947e7813e862ed532e667/FLAG08aeaaa4f [2021-10-28 22:57:47,624 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/data/2a1a8fec0/987ae05da3d947e7813e862ed532e667 [2021-10-28 22:57:47,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:57:47,629 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 22:57:47,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:57:47,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:57:47,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:57:47,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:57:47" (1/1) ... [2021-10-28 22:57:47,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a3cf2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:47, skipping insertion in model container [2021-10-28 22:57:47,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:57:47" (1/1) ... [2021-10-28 22:57:47,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:57:47,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:57:48,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:57:48,292 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 22:57:48,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:57:48,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:57:48,442 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:57:48,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:57:48,603 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:57:48,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:48 WrapperNode [2021-10-28 22:57:48,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:57:48,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:57:48,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:57:48,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:57:48,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:48" (1/1) ... [2021-10-28 22:57:48,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:48" (1/1) ... [2021-10-28 22:57:48,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:48" (1/1) ... [2021-10-28 22:57:48,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:48" (1/1) ... [2021-10-28 22:57:48,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:48" (1/1) ... [2021-10-28 22:57:48,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:48" (1/1) ... [2021-10-28 22:57:48,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:48" (1/1) ... [2021-10-28 22:57:48,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:57:48,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:57:48,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:57:48,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:57:48,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:48" (1/1) ... [2021-10-28 22:57:48,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:57:48,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:57:48,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:57:48,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:57:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 22:57:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:57:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 22:57:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 22:57:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 22:57:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 22:57:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 22:57:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 22:57:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 22:57:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 22:57:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 22:57:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 22:57:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 22:57:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 22:57:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 22:57:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 22:57:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 22:57:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 22:57:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 22:57:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 22:57:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 22:57:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 22:57:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 22:57:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 22:57:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 22:57:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 22:57:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 22:57:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 22:57:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 22:57:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 22:57:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 22:57:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 22:57:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 22:57:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 22:57:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 22:57:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 22:57:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 22:57:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 22:57:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 22:57:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 22:57:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 22:57:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 22:57:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9_2 [2021-10-28 22:57:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2021-10-28 22:57:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 22:57:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 22:57:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 22:57:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 22:57:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 22:57:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 22:57:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 22:57:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 22:57:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 22:57:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 22:57:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 22:57:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 22:57:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 22:57:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 22:57:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 22:57:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 22:57:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 22:57:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 22:57:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 22:57:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 22:57:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 22:57:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 22:57:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 22:57:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 22:57:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 22:57:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 22:57:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 22:57:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 22:57:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 22:57:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 22:57:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 22:57:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 22:57:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 22:57:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 22:57:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 22:57:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 22:57:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 22:57:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 22:57:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 22:57:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 22:57:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 22:57:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 22:57:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 22:57:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 22:57:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 22:57:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 22:57:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 22:57:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 22:57:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 22:57:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 22:57:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 22:57:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 22:57:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 22:57:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 22:57:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 22:57:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 22:57:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 22:57:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 22:57:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 22:57:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 22:57:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 22:57:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 22:57:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 22:57:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 22:57:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 22:57:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 22:57:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 22:57:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 22:57:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 22:57:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 22:57:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 22:57:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 22:57:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 22:57:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 22:57:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 22:57:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 22:57:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 22:57:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 22:57:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 22:57:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 22:57:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 22:57:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 22:57:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 22:57:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 22:57:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 22:57:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 22:57:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 22:57:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 22:57:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 22:57:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 22:57:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 22:57:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 22:57:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 22:57:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 22:57:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 22:57:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 22:57:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 22:57:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 22:57:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 22:57:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 22:57:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 22:57:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 22:57:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 22:57:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 22:57:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 22:57:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 22:57:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 22:57:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 22:57:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 22:57:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 22:57:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 22:57:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 22:57:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 22:57:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 22:57:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 22:57:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 22:57:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 22:57:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 22:57:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 22:57:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 22:57:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 22:57:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 22:57:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 22:57:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 22:57:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 22:57:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 22:57:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 22:57:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 22:57:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 22:57:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 22:57:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 22:57:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 22:57:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 22:57:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 22:57:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:57:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 22:57:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 22:57:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 22:57:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 22:57:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 22:57:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 22:57:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 22:57:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 22:57:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 22:57:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 22:57:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 22:57:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 22:57:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 22:57:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 22:57:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 22:57:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 22:57:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 22:57:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 22:57:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 22:57:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 22:57:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 22:57:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 22:57:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 22:57:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 22:57:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9_2 [2021-10-28 22:57:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2021-10-28 22:57:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 22:57:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 22:57:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 22:57:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:57:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 22:57:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:57:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 22:57:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 22:57:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 22:57:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 22:57:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 22:57:49,715 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:57:50,205 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 22:57:50,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:57:50,617 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 22:57:50,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:57:50 BoogieIcfgContainer [2021-10-28 22:57:50,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:57:50,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:57:50,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:57:50,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:57:50,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:57:47" (1/3) ... [2021-10-28 22:57:50,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d53980a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:57:50, skipping insertion in model container [2021-10-28 22:57:50,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:48" (2/3) ... [2021-10-28 22:57:50,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d53980a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:57:50, skipping insertion in model container [2021-10-28 22:57:50,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:57:50" (3/3) ... [2021-10-28 22:57:50,630 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2021-10-28 22:57:50,636 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:57:50,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 22:57:50,702 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:57:50,715 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 [2021-10-28 22:57:50,715 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 22:57:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 79 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-28 22:57:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:57:50,745 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:50,745 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:57:50,746 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 22:57:50,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:50,752 INFO L85 PathProgramCache]: Analyzing trace with hash -2083159501, now seen corresponding path program 1 times [2021-10-28 22:57:50,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:57:50,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849844927] [2021-10-28 22:57:50,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:50,767 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:57:50,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:57:50,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:57:50,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 22:57:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:51,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:57:51,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:57:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:57:51,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 22:57:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:57:51,383 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 22:57:51,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849844927] [2021-10-28 22:57:51,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849844927] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:51,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:57:51,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-28 22:57:51,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049944496] [2021-10-28 22:57:51,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 22:57:51,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 22:57:51,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:57:51,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:57:51,422 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 79 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-10-28 22:57:51,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:51,466 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2021-10-28 22:57:51,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:57:51,469 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 19 [2021-10-28 22:57:51,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:51,478 INFO L225 Difference]: With dead ends: 25 [2021-10-28 22:57:51,478 INFO L226 Difference]: Without dead ends: 22 [2021-10-28 22:57:51,480 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:57:51,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-28 22:57:51,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-28 22:57:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 22:57:51,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2021-10-28 22:57:51,521 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 19 [2021-10-28 22:57:51,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:51,522 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2021-10-28 22:57:51,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-10-28 22:57:51,523 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2021-10-28 22:57:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 22:57:51,524 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:51,525 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:57:51,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:57:51,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:57:51,739 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 22:57:51,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:51,744 INFO L85 PathProgramCache]: Analyzing trace with hash -461173850, now seen corresponding path program 1 times [2021-10-28 22:57:51,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:57:51,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1890333933] [2021-10-28 22:57:51,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:51,745 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:57:51,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:57:51,746 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:57:51,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 22:57:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:57:51,940 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:57:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:57:52,009 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 22:57:52,009 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:57:52,011 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 22:57:52,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 22:57:52,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 22:57:52,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 22:57:52,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 22:57:52,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 22:57:52,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 22:57:52,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 22:57:52,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 22:57:52,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 22:57:52,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 22:57:52,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 22:57:52,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 22:57:52,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 22:57:52,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 22:57:52,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,021 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,021 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 22:57:52,021 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 22:57:52,021 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 22:57:52,021 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 22:57:52,022 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,022 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,022 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,022 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,022 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,023 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,023 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,023 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,023 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,024 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,024 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,024 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,024 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 22:57:52,024 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 22:57:52,025 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 22:57:52,025 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 22:57:52,025 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,025 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,025 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,026 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,026 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,026 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,026 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 22:57:52,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 22:57:52,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 22:57:52,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 22:57:52,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,029 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,029 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 22:57:52,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-28 22:57:52,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:57:52,254 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 22:57:52,257 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:57:52,272 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 22:57:52,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:57:52 BoogieIcfgContainer [2021-10-28 22:57:52,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:57:52,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:57:52,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:57:52,290 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:57:52,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:57:50" (3/4) ... [2021-10-28 22:57:52,295 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:57:52,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:57:52,297 INFO L168 Benchmark]: Toolchain (without parser) took 4666.80 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 27.2 MB in the beginning and 42.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:52,298 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 52.4 MB. Free memory was 32.6 MB in the beginning and 32.6 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:57:52,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 973.95 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 27.0 MB in the beginning and 41.4 MB in the end (delta: -14.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:52,299 INFO L168 Benchmark]: Boogie Preprocessor took 137.58 ms. Allocated memory is still 67.1 MB. Free memory was 41.4 MB in the beginning and 36.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:52,300 INFO L168 Benchmark]: RCFGBuilder took 1876.85 ms. Allocated memory is still 67.1 MB. Free memory was 36.7 MB in the beginning and 37.1 MB in the end (delta: -366.9 kB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:52,301 INFO L168 Benchmark]: TraceAbstraction took 1666.87 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 36.5 MB in the beginning and 42.7 MB in the end (delta: -6.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:52,302 INFO L168 Benchmark]: Witness Printer took 4.97 ms. Allocated memory is still 81.8 MB. Free memory was 42.7 MB in the beginning and 42.0 MB in the end (delta: 661.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:57:52,306 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 32.6 MB in the beginning and 32.6 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 973.95 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 27.0 MB in the beginning and 41.4 MB in the end (delta: -14.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 137.58 ms. Allocated memory is still 67.1 MB. Free memory was 41.4 MB in the beginning and 36.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1876.85 ms. Allocated memory is still 67.1 MB. Free memory was 36.7 MB in the beginning and 37.1 MB in the end (delta: -366.9 kB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1666.87 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 36.5 MB in the beginning and 42.7 MB in the end (delta: -6.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.97 ms. Allocated memory is still 81.8 MB. Free memory was 42.7 MB in the beginning and 42.0 MB in the end (delta: 661.5 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [\old(a9)=null, \old(a9)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L773] CALL entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L766] CALL, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; VAL [\old(a9)=null, \old(a9)=null, \result=3, a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L766] RET, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={1:0}, ldv_global_msg_list={-2147483648:0}, probe_9_2()=3] [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [\old(a9)=null, \old(a9)=null, a9={1:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L770] a9 = 0 VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L773] RET entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, 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: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 6 SDslu, 85 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2021-10-28 22:57:52,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a27b03-eb95-4c47-9598-3af9943aa10f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...