./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_14-list_entry_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_14-list_entry_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dca1365e96b14553ac227beee1359ff356b62b34b0dbcaca3b6f7ad7f6eaa9d4 --- 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-8393723 [2022-11-19 07:22:16,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:22:16,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:22:16,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:22:16,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:22:16,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:22:16,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:22:16,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:22:16,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:22:16,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:22:16,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:22:16,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:22:16,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:22:16,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:22:16,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:22:16,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:22:16,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:22:16,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:22:16,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:22:16,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:22:16,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:22:16,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:22:16,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:22:16,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:22:16,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:22:16,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:22:16,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:22:16,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:22:16,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:22:16,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:22:16,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:22:16,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:22:16,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:22:16,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:22:16,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:22:16,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:22:16,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:22:16,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:22:16,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:22:16,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:22:16,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:22:16,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:22:17,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:22:17,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:22:17,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:22:17,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:22:17,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:22:17,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:22:17,038 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:22:17,038 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:22:17,038 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:22:17,046 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:22:17,047 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:22:17,047 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:22:17,047 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:22:17,048 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:22:17,048 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:22:17,048 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:22:17,048 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:22:17,048 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:22:17,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:22:17,049 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:22:17,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:22:17,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:22:17,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:22:17,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:22:17,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:22:17,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:22:17,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:22:17,051 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:22:17,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:22:17,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:22:17,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:22:17,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:22:17,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:22:17,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:22:17,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:22:17,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:22:17,054 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:22:17,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:22:17,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:22:17,054 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:22:17,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:22:17,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:22:17,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:22:17,055 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_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dca1365e96b14553ac227beee1359ff356b62b34b0dbcaca3b6f7ad7f6eaa9d4 [2022-11-19 07:22:17,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:22:17,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:22:17,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:22:17,375 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:22:17,375 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:22:17,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/06-symbeq_14-list_entry_rc.i [2022-11-19 07:22:17,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/data/9c73c4be7/3b5fdf089ce94bffb4a6ebe0f3ce000c/FLAG894894e59 [2022-11-19 07:22:18,021 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:22:18,021 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/sv-benchmarks/c/goblint-regression/06-symbeq_14-list_entry_rc.i [2022-11-19 07:22:18,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/data/9c73c4be7/3b5fdf089ce94bffb4a6ebe0f3ce000c/FLAG894894e59 [2022-11-19 07:22:18,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/data/9c73c4be7/3b5fdf089ce94bffb4a6ebe0f3ce000c [2022-11-19 07:22:18,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:22:18,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:22:18,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:22:18,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:22:18,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:22:18,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:22:18" (1/1) ... [2022-11-19 07:22:18,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aef5343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:22:18, skipping insertion in model container [2022-11-19 07:22:18,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:22:18" (1/1) ... [2022-11-19 07:22:18,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:22:18,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:22:18,938 ERROR L326 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2022-11-19 07:22:18,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f8c9f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:22:18, skipping insertion in model container [2022-11-19 07:22:18,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:22:18,939 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:22:18,941 INFO L158 Benchmark]: Toolchain (without parser) took 629.14ms. Allocated memory is still 102.8MB. Free memory was 68.1MB in the beginning and 74.9MB in the end (delta: -6.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:22:18,942 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory was 56.3MB in the beginning and 56.3MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:22:18,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.26ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 74.9MB in the end (delta: -7.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:22:18,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory was 56.3MB in the beginning and 56.3MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.26ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 74.9MB in the end (delta: -7.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1231]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. 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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55216ea9-ab88-4364-a4f7-4e31f7e7a65f/bin/utaipan-I9t0OCRTmS/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN