./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer --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 ea1fbe157ea6ed0e661f632bb00aba6515b6f780 .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer --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 ea1fbe157ea6ed0e661f632bb00aba6515b6f780 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:39:35,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:39:35,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:39:35,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:39:35,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:39:35,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:39:35,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:39:35,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:39:35,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:39:35,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:39:35,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:39:35,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:39:35,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:39:35,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:39:35,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:39:35,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:39:35,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:39:35,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:39:35,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:39:35,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:39:35,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:39:35,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:39:35,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:39:35,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:39:35,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:39:35,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:39:35,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:39:35,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:39:35,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:39:35,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:39:35,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:39:35,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:39:35,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:39:35,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:39:35,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:39:35,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:39:35,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:39:35,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:39:35,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:39:35,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:39:35,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:39:35,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-29 23:39:35,750 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:39:35,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:39:35,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:39:35,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:39:35,752 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:39:35,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:39:35,752 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:39:35,752 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:39:35,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:39:35,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:39:35,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:39:35,754 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 23:39:35,754 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 23:39:35,754 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 23:39:35,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:39:35,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 23:39:35,755 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:39:35,755 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:39:35,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:39:35,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:39:35,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:39:35,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:39:35,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:39:35,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:39:35,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:39:35,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:39:35,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:39:35,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:39:35,758 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-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2020-11-29 23:39:36,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:39:36,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:39:36,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:39:36,069 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:39:36,073 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:39:36,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-11-29 23:39:36,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/data/c5d0fd214/6bae18c597cf4c1a8a4c517f4f3338f0/FLAGb868b5ce8 [2020-11-29 23:39:36,791 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:39:36,792 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-11-29 23:39:36,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/data/c5d0fd214/6bae18c597cf4c1a8a4c517f4f3338f0/FLAGb868b5ce8 [2020-11-29 23:39:37,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/data/c5d0fd214/6bae18c597cf4c1a8a4c517f4f3338f0 [2020-11-29 23:39:37,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:39:37,031 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 23:39:37,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:39:37,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:39:37,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:39:37,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:39:37" (1/1) ... [2020-11-29 23:39:37,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5869b531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:37, skipping insertion in model container [2020-11-29 23:39:37,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:39:37" (1/1) ... [2020-11-29 23:39:37,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:39:37,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:39:37,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:39:37,682 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) [2020-11-29 23:39:37,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56fe0662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:37, skipping insertion in model container [2020-11-29 23:39:37,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:39:37,684 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-29 23:39:37,686 INFO L168 Benchmark]: Toolchain (without parser) took 653.55 ms. Allocated memory is still 94.4 MB. Free memory was 65.6 MB in the beginning and 69.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:37,688 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:39:37,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.88 ms. Allocated memory is still 94.4 MB. Free memory was 65.4 MB in the beginning and 69.2 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:37,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 646.88 ms. Allocated memory is still 94.4 MB. Free memory was 65.4 MB in the beginning and 69.2 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.4 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 0.2.0-a4ecdab [2020-11-29 23:39:40,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:39:40,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:39:40,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:39:40,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:39:40,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:39:40,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:39:40,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:39:40,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:39:40,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:39:40,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:39:40,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:39:40,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:39:40,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:39:40,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:39:40,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:39:40,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:39:40,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:39:40,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:39:40,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:39:40,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:39:40,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:39:40,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:39:40,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:39:40,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:39:40,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:39:40,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:39:40,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:39:40,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:39:40,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:39:40,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:39:40,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:39:40,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:39:40,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:39:40,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:39:40,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:39:40,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:39:40,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:39:40,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:39:40,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:39:40,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:39:40,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-29 23:39:40,512 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:39:40,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:39:40,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:39:40,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:39:40,517 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:39:40,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:39:40,518 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:39:40,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:39:40,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:39:40,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:39:40,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:39:40,520 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 23:39:40,521 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 23:39:40,521 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 23:39:40,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:39:40,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 23:39:40,522 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:39:40,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:39:40,522 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:39:40,522 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:39:40,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:39:40,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:39:40,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:39:40,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:39:40,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:39:40,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:39:40,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:39:40,525 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 23:39:40,525 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:39:40,525 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:39:40,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:39:40,526 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-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2020-11-29 23:39:41,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:39:41,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:39:41,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:39:41,049 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:39:41,050 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:39:41,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-11-29 23:39:41,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/data/574dad74a/661cfabc8aae488d91dde5f99b79289d/FLAG36cea8315 [2020-11-29 23:39:42,008 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:39:42,009 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-11-29 23:39:42,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/data/574dad74a/661cfabc8aae488d91dde5f99b79289d/FLAG36cea8315 [2020-11-29 23:39:42,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/data/574dad74a/661cfabc8aae488d91dde5f99b79289d [2020-11-29 23:39:42,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:39:42,206 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 23:39:42,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:39:42,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:39:42,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:39:42,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:39:42" (1/1) ... [2020-11-29 23:39:42,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fcb9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:42, skipping insertion in model container [2020-11-29 23:39:42,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:39:42" (1/1) ... [2020-11-29 23:39:42,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:39:42,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:39:42,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:39:42,966 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-29 23:39:42,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:39:43,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:39:43,095 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:39:43,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:39:43,311 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:39:43,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:43 WrapperNode [2020-11-29 23:39:43,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:39:43,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:39:43,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:39:43,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:39:43,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:43" (1/1) ... [2020-11-29 23:39:43,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:43" (1/1) ... [2020-11-29 23:39:43,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:43" (1/1) ... [2020-11-29 23:39:43,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:43" (1/1) ... [2020-11-29 23:39:43,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:43" (1/1) ... [2020-11-29 23:39:43,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:43" (1/1) ... [2020-11-29 23:39:43,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:43" (1/1) ... [2020-11-29 23:39:43,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:39:43,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:39:43,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:39:43,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:39:43,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:39:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-29 23:39:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:39:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 23:39:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 23:39:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-29 23:39:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-29 23:39:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-29 23:39:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-29 23:39:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-29 23:39:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-29 23:39:43,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-29 23:39:43,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-29 23:39:43,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-29 23:39:43,505 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-29 23:39:43,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-29 23:39:43,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-29 23:39:43,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-29 23:39:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-29 23:39:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-29 23:39:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-29 23:39:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-29 23:39:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-29 23:39:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-29 23:39:43,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-29 23:39:43,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-29 23:39:43,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-29 23:39:43,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-29 23:39:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-29 23:39:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-29 23:39:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-29 23:39:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-29 23:39:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-29 23:39:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-29 23:39:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-29 23:39:43,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-29 23:39:43,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-29 23:39:43,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-29 23:39:43,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-29 23:39:43,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-29 23:39:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-29 23:39:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-29 23:39:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-29 23:39:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2020-11-29 23:39:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-29 23:39:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-29 23:39:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-29 23:39:43,513 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-29 23:39:43,513 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-29 23:39:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-29 23:39:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-29 23:39:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-29 23:39:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-29 23:39:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-29 23:39:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-29 23:39:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-29 23:39:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-29 23:39:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-29 23:39:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-29 23:39:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-29 23:39:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-29 23:39:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-29 23:39:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-29 23:39:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-29 23:39:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-29 23:39:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-29 23:39:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-29 23:39:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-29 23:39:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-29 23:39:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-29 23:39:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-29 23:39:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-29 23:39:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-29 23:39:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-29 23:39:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-29 23:39:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-29 23:39:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-29 23:39:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-29 23:39:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-29 23:39:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-29 23:39:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-29 23:39:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-29 23:39:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-29 23:39:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-29 23:39:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-29 23:39:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-29 23:39:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-29 23:39:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-29 23:39:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-29 23:39:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-29 23:39:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-29 23:39:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-29 23:39:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-29 23:39:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-29 23:39:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-29 23:39:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-29 23:39:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-29 23:39:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-29 23:39:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-29 23:39:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-29 23:39:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-29 23:39:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-29 23:39:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-29 23:39:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-29 23:39:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-29 23:39:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-29 23:39:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-29 23:39:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-29 23:39:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-29 23:39:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-29 23:39:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-29 23:39:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-29 23:39:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-29 23:39:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-29 23:39:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-29 23:39:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-29 23:39:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-29 23:39:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-29 23:39:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-29 23:39:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-29 23:39:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-29 23:39:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-29 23:39:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-29 23:39:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-29 23:39:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-29 23:39:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-29 23:39:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-29 23:39:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-29 23:39:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-29 23:39:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-29 23:39:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-29 23:39:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-29 23:39:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-29 23:39:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-29 23:39:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-29 23:39:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-29 23:39:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-29 23:39:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-29 23:39:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-29 23:39:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-29 23:39:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-29 23:39:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-29 23:39:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-29 23:39:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-29 23:39:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-29 23:39:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-29 23:39:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-29 23:39:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-29 23:39:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-29 23:39:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-29 23:39:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-29 23:39:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-29 23:39:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-29 23:39:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-29 23:39:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-29 23:39:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-29 23:39:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-29 23:39:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-29 23:39:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-29 23:39:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-29 23:39:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-29 23:39:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-29 23:39:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-29 23:39:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 23:39:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-29 23:39:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-29 23:39:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-29 23:39:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 23:39:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-29 23:39:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-29 23:39:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-29 23:39:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 23:39:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-29 23:39:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-29 23:39:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-29 23:39:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-29 23:39:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-29 23:39:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-29 23:39:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:39:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-29 23:39:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-29 23:39:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-29 23:39:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-29 23:39:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-29 23:39:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 23:39:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 23:39:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-29 23:39:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-29 23:39:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 23:39:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-29 23:39:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-29 23:39:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-29 23:39:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-29 23:39:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-29 23:39:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-29 23:39:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-29 23:39:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-29 23:39:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-29 23:39:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-29 23:39:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-29 23:39:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-29 23:39:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-29 23:39:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-29 23:39:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2020-11-29 23:39:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-29 23:39:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-29 23:39:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-29 23:39:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:39:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 23:39:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:39:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 23:39:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-29 23:39:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-29 23:39:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-29 23:39:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-29 23:39:44,455 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 23:39:45,167 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 23:39:45,637 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:39:45,637 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-29 23:39:45,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:39:45 BoogieIcfgContainer [2020-11-29 23:39:45,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:39:45,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:39:45,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:39:45,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:39:45,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:39:42" (1/3) ... [2020-11-29 23:39:45,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddf8ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:39:45, skipping insertion in model container [2020-11-29 23:39:45,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:39:43" (2/3) ... [2020-11-29 23:39:45,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddf8ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:39:45, skipping insertion in model container [2020-11-29 23:39:45,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:39:45" (3/3) ... [2020-11-29 23:39:45,659 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2020-11-29 23:39:45,673 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:39:45,678 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2020-11-29 23:39:45,688 INFO L253 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2020-11-29 23:39:45,708 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:39:45,709 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-29 23:39:45,709 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:39:45,709 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:39:45,709 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:39:45,709 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:39:45,709 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:39:45,710 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:39:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-11-29 23:39:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:39:45,752 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:39:45,753 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:39:45,754 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 23:39:45,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:39:45,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1104597720, now seen corresponding path program 1 times [2020-11-29 23:39:45,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:39:45,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700877052] [2020-11-29 23:39:45,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 23:39:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:39:46,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 23:39:46,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:39:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:39:46,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:39:46,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:39:46,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700877052] [2020-11-29 23:39:46,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:39:46,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 23:39:46,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305930850] [2020-11-29 23:39:46,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:39:46,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:39:46,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:39:46,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:39:46,335 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 3 states. [2020-11-29 23:39:46,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:39:46,428 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2020-11-29 23:39:46,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:39:46,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-11-29 23:39:46,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:39:46,446 INFO L225 Difference]: With dead ends: 35 [2020-11-29 23:39:46,446 INFO L226 Difference]: Without dead ends: 23 [2020-11-29 23:39:46,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:39:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-29 23:39:46,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-11-29 23:39:46,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-29 23:39:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2020-11-29 23:39:46,490 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2020-11-29 23:39:46,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:39:46,491 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2020-11-29 23:39:46,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:39:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2020-11-29 23:39:46,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:39:46,493 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:39:46,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:39:46,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 23:39:46,711 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 23:39:46,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:39:46,712 INFO L82 PathProgramCache]: Analyzing trace with hash -295878751, now seen corresponding path program 1 times [2020-11-29 23:39:46,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:39:46,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188733882] [2020-11-29 23:39:46,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7cbf265-98e7-471d-9dcf-9a2338e3f9a8/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 23:39:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:39:47,001 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:39:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:39:47,045 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:39:47,102 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 23:39:47,102 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 23:39:47,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 23:39:47,329 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-11-29 23:39:47,334 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-29 23:39:47,334 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-29 23:39:47,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:39:47 BoogieIcfgContainer [2020-11-29 23:39:47,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:39:47,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:39:47,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:39:47,345 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:39:47,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:39:45" (3/4) ... [2020-11-29 23:39:47,351 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 23:39:47,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:39:47,355 INFO L168 Benchmark]: Toolchain (without parser) took 5146.84 ms. Allocated memory was 67.1 MB in the beginning and 107.0 MB in the end (delta: 39.8 MB). Free memory was 48.9 MB in the beginning and 59.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:47,356 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:39:47,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1104.70 ms. Allocated memory is still 67.1 MB. Free memory was 48.7 MB in the beginning and 44.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:47,358 INFO L168 Benchmark]: Boogie Preprocessor took 110.06 ms. Allocated memory is still 67.1 MB. Free memory was 44.0 MB in the beginning and 39.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:47,359 INFO L168 Benchmark]: RCFGBuilder took 2219.11 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 39.2 MB in the beginning and 39.8 MB in the end (delta: -647.5 kB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:39:47,360 INFO L168 Benchmark]: TraceAbstraction took 1694.84 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 39.8 MB in the beginning and 59.5 MB in the end (delta: -19.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:39:47,361 INFO L168 Benchmark]: Witness Printer took 6.84 ms. Allocated memory is still 107.0 MB. Free memory was 59.5 MB in the beginning and 59.2 MB in the end (delta: 221.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:39:47,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1104.70 ms. Allocated memory is still 67.1 MB. Free memory was 48.7 MB in the beginning and 44.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.06 ms. Allocated memory is still 67.1 MB. Free memory was 44.0 MB in the beginning and 39.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2219.11 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 39.2 MB in the beginning and 39.8 MB in the end (delta: -647.5 kB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1694.84 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 39.8 MB in the beginning and 59.5 MB in the end (delta: -19.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.84 ms. Allocated memory is still 107.0 MB. Free memory was 59.5 MB in the beginning and 59.2 MB in the end (delta: 221.4 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 Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L772] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) VAL [\old(condition)=2147483648, ldv_global_msg_list={3:0}] [L761] COND TRUE \read(condition) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={3:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=2147483648, \result={1:0}, condition=2147483648, ldv_global_msg_list={3:0}, p={1:0}] [L769] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=2147483648, ldv_global_msg_list={3:0}] [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 336 locations, 71 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, 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, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 1110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 6 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 Received shutdown request...