./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 14:43:45,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:43:45,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:43:45,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:43:45,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:43:45,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:43:45,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:43:45,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:43:45,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:43:45,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:43:45,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:43:45,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:43:45,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:43:45,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:43:45,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:43:45,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:43:45,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:43:45,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:43:45,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:43:45,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:43:45,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:43:45,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:43:45,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:43:45,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:43:45,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:43:45,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:43:45,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:43:45,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:43:45,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:43:45,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:43:45,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:43:45,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:43:45,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:43:45,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:43:45,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:43:45,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:43:45,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:43:45,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:43:45,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:43:45,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:43:45,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:43:45,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 14:43:45,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:43:45,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:43:45,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:43:45,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:43:45,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:43:45,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:43:45,342 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:43:45,343 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:43:45,343 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:43:45,343 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:43:45,343 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:43:45,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:43:45,343 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:43:45,344 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:43:45,344 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:43:45,344 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:43:45,344 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:43:45,344 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:43:45,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 14:43:45,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 14:43:45,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:43:45,346 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:43:45,346 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:43:45,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:43:45,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:43:45,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:43:45,347 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 14:43:45,347 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 14:43:45,347 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 14:43:45,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:43:45,347 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:43:45,347 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:43:45,348 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:43:45,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:43:45,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:43:45,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:43:45,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:43:45,349 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:43:45,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:43:45,349 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:43:45,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:43:45,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:43:45,350 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_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2022-12-14 14:43:45,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:43:45,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:43:45,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:43:45,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:43:45,540 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:43:45,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-12-14 14:43:48,212 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:43:48,402 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:43:48,403 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-12-14 14:43:48,412 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/data/b20b62172/41bedd9207b844f590250464169668f3/FLAGef5091e32 [2022-12-14 14:43:48,425 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/data/b20b62172/41bedd9207b844f590250464169668f3 [2022-12-14 14:43:48,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:43:48,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:43:48,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:43:48,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:43:48,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:43:48,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:43:48" (1/1) ... [2022-12-14 14:43:48,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c6655d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:48, skipping insertion in model container [2022-12-14 14:43:48,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:43:48" (1/1) ... [2022-12-14 14:43:48,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:43:48,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:43:48,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:43:48,711 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-12-14 14:43:48,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39f69736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:48, skipping insertion in model container [2022-12-14 14:43:48,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:43:48,712 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 14:43:48,713 INFO L158 Benchmark]: Toolchain (without parser) took 283.56ms. Allocated memory is still 127.9MB. Free memory was 89.8MB in the beginning and 76.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 14:43:48,714 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory was 93.1MB in the beginning and 93.0MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:43:48,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.46ms. Allocated memory is still 127.9MB. Free memory was 89.8MB in the beginning and 76.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 14:43:48,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory was 93.1MB in the beginning and 93.0MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.46ms. Allocated memory is still 127.9MB. Free memory was 89.8MB in the beginning and 76.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 14:43:50,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:43:50,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:43:50,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:43:50,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:43:50,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:43:50,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:43:50,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:43:50,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:43:50,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:43:50,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:43:50,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:43:50,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:43:50,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:43:50,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:43:50,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:43:50,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:43:50,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:43:50,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:43:50,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:43:50,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:43:50,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:43:50,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:43:50,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:43:50,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:43:50,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:43:50,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:43:50,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:43:50,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:43:50,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:43:50,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:43:50,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:43:50,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:43:50,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:43:50,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:43:50,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:43:50,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:43:50,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:43:50,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:43:50,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:43:50,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:43:50,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-12-14 14:43:50,212 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:43:50,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:43:50,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:43:50,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:43:50,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:43:50,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:43:50,214 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:43:50,214 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:43:50,214 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:43:50,214 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:43:50,215 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:43:50,215 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:43:50,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 14:43:50,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 14:43:50,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:43:50,216 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:43:50,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:43:50,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:43:50,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:43:50,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:43:50,217 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 14:43:50,217 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 14:43:50,217 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 14:43:50,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:43:50,217 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:43:50,217 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 14:43:50,217 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 14:43:50,217 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:43:50,217 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:43:50,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:43:50,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 14:43:50,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:43:50,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:43:50,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:43:50,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:43:50,218 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 14:43:50,218 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 14:43:50,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:43:50,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 14:43:50,219 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_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2022-12-14 14:43:50,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:43:50,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:43:50,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:43:50,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:43:50,480 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:43:50,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-12-14 14:43:53,186 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:43:53,396 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:43:53,397 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-12-14 14:43:53,408 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/data/51eedfe40/a2e0aff1314d49c991a3bff2e9e2c9e4/FLAG98932208c [2022-12-14 14:43:53,419 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/data/51eedfe40/a2e0aff1314d49c991a3bff2e9e2c9e4 [2022-12-14 14:43:53,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:43:53,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:43:53,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:43:53,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:43:53,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:43:53,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784d8f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53, skipping insertion in model container [2022-12-14 14:43:53,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:43:53,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:43:53,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:43:53,738 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 14:43:53,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:43:53,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:43:53,797 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:43:53,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:43:53,867 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:43:53,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53 WrapperNode [2022-12-14 14:43:53,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:43:53,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:43:53,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:43:53,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:43:53,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,908 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 23 [2022-12-14 14:43:53,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:43:53,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:43:53,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:43:53,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:43:53,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:43:53,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:43:53,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:43:53,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:43:53,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (1/1) ... [2022-12-14 14:43:53,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:43:53,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:43:53,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:43:53,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:43:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:43:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:43:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:43:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:43:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:43:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:43:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:43:54,083 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:43:54,085 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:43:54,161 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:43:54,166 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:43:54,166 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:43:54,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:43:54 BoogieIcfgContainer [2022-12-14 14:43:54,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:43:54,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:43:54,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:43:54,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:43:54,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:43:53" (1/3) ... [2022-12-14 14:43:54,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704a7b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:43:54, skipping insertion in model container [2022-12-14 14:43:54,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:53" (2/3) ... [2022-12-14 14:43:54,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704a7b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:43:54, skipping insertion in model container [2022-12-14 14:43:54,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:43:54" (3/3) ... [2022-12-14 14:43:54,174 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2022-12-14 14:43:54,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:43:54,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:43:54,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:43:54,227 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e5ab377, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:43:54,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:43:54,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:43:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 14:43:54,236 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:54,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:54,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-12-14 14:43:54,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:54,241 INFO L85 PathProgramCache]: Analyzing trace with hash 370410532, now seen corresponding path program 1 times [2022-12-14 14:43:54,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:43:54,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747544229] [2022-12-14 14:43:54,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:54,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:43:54,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:43:54,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 14:43:54,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 14:43:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:43:54,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:43:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:43:54,392 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 14:43:54,394 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:43:54,395 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-12-14 14:43:54,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:43:54,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 14:43:54,602 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 14:43:54,605 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:43:54,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:43:54 BoogieIcfgContainer [2022-12-14 14:43:54,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:43:54,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:43:54,622 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:43:54,622 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:43:54,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:43:54" (3/4) ... [2022-12-14 14:43:54,626 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 14:43:54,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:43:54,627 INFO L158 Benchmark]: Toolchain (without parser) took 1204.96ms. Allocated memory is still 79.7MB. Free memory was 49.2MB in the beginning and 53.1MB in the end (delta: -3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:43:54,628 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:43:54,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.90ms. Allocated memory is still 79.7MB. Free memory was 49.0MB in the beginning and 45.3MB in the end (delta: 3.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-12-14 14:43:54,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.32ms. Allocated memory is still 79.7MB. Free memory was 45.3MB in the beginning and 43.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:43:54,629 INFO L158 Benchmark]: Boogie Preprocessor took 20.61ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 41.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:43:54,630 INFO L158 Benchmark]: RCFGBuilder took 237.02ms. Allocated memory is still 79.7MB. Free memory was 41.6MB in the beginning and 55.3MB in the end (delta: -13.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-12-14 14:43:54,630 INFO L158 Benchmark]: TraceAbstraction took 452.08ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 53.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:43:54,630 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 79.7MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:43:54,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.90ms. Allocated memory is still 79.7MB. Free memory was 49.0MB in the beginning and 45.3MB in the end (delta: 3.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.32ms. Allocated memory is still 79.7MB. Free memory was 45.3MB in the beginning and 43.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.61ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 41.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 237.02ms. Allocated memory is still 79.7MB. Free memory was 41.6MB in the beginning and 55.3MB in the end (delta: -13.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 452.08ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 53.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 79.7MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L770] CALL entry_point() [L766] CALL probe_9() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a9={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a9={0:0}, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; VAL [\result=0, a9={2:0}, ldv_global_msg_list={1:0}] [L766] RET probe_9() [L767] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L770] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2022-12-14 14:43:54,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14db4d5-82cc-4abb-96e5-bd6f528d2971/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample