./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan --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 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef ............................................................................................................................................ 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_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan --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 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 12:41:23,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 12:41:23,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 12:41:23,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 12:41:23,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 12:41:23,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 12:41:23,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 12:41:23,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 12:41:23,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 12:41:23,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 12:41:23,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 12:41:23,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 12:41:23,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 12:41:23,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 12:41:23,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 12:41:23,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 12:41:23,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 12:41:23,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 12:41:23,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 12:41:23,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 12:41:23,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 12:41:23,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 12:41:23,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 12:41:23,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 12:41:23,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 12:41:23,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 12:41:23,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 12:41:23,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 12:41:23,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 12:41:23,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 12:41:23,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 12:41:23,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 12:41:23,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 12:41:23,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 12:41:23,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 12:41:23,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 12:41:23,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 12:41:23,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 12:41:23,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 12:41:23,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 12:41:23,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 12:41:23,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 12:41:23,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 12:41:23,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 12:41:23,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 12:41:23,561 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 12:41:23,561 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 12:41:23,561 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 12:41:23,561 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 12:41:23,562 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 12:41:23,562 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 12:41:23,576 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 12:41:23,576 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 12:41:23,576 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 12:41:23,576 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 12:41:23,576 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 12:41:23,576 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 12:41:23,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 12:41:23,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 12:41:23,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 12:41:23,577 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 12:41:23,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 12:41:23,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 12:41:23,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 12:41:23,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 12:41:23,578 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 12:41:23,578 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 12:41:23,578 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 12:41:23,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 12:41:23,578 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 12:41:23,579 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 12:41:23,579 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 12:41:23,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 12:41:23,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 12:41:23,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:41:23,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 12:41:23,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 12:41:23,580 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 12:41:23,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 12:41:23,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 12:41:23,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 12:41:23,580 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef [2020-12-09 12:41:23,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 12:41:23,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 12:41:23,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 12:41:23,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 12:41:23,788 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 12:41:23,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-12-09 12:41:23,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/data/0ed37eb0a/2d02e10d075749be86a5eba9cf442822/FLAG512357b1e [2020-12-09 12:41:24,273 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 12:41:24,274 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-12-09 12:41:24,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/data/0ed37eb0a/2d02e10d075749be86a5eba9cf442822/FLAG512357b1e [2020-12-09 12:41:24,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/data/0ed37eb0a/2d02e10d075749be86a5eba9cf442822 [2020-12-09 12:41:24,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 12:41:24,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 12:41:24,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 12:41:24,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 12:41:24,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 12:41:24,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:41:24" (1/1) ... [2020-12-09 12:41:24,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716d97c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:24, skipping insertion in model container [2020-12-09 12:41:24,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:41:24" (1/1) ... [2020-12-09 12:41:24,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 12:41:24,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:41:24,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:41:24,570 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) [2020-12-09 12:41:24,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a50c341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:24, skipping insertion in model container [2020-12-09 12:41:24,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 12:41:24,571 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 12:41:24,572 INFO L168 Benchmark]: Toolchain (without parser) took 274.91 ms. Allocated memory is still 144.7 MB. Free memory was 122.8 MB in the beginning and 109.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 12:41:24,573 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 75.5 MB. Free memory was 50.5 MB in the beginning and 50.4 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:41:24,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.06 ms. Allocated memory is still 144.7 MB. Free memory was 122.8 MB in the beginning and 109.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 12:41:24,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 75.5 MB. Free memory was 50.5 MB in the beginning and 50.4 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 273.06 ms. Allocated memory is still 144.7 MB. Free memory was 122.8 MB in the beginning and 109.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 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 0.2.0-7b2dab5 [2020-12-09 12:41:25,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 12:41:25,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 12:41:25,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 12:41:25,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 12:41:25,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 12:41:25,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 12:41:25,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 12:41:25,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 12:41:25,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 12:41:25,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 12:41:25,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 12:41:25,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 12:41:25,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 12:41:25,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 12:41:25,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 12:41:25,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 12:41:25,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 12:41:25,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 12:41:25,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 12:41:25,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 12:41:25,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 12:41:25,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 12:41:25,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 12:41:25,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 12:41:25,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 12:41:25,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 12:41:25,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 12:41:25,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 12:41:25,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 12:41:25,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 12:41:25,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 12:41:25,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 12:41:25,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 12:41:25,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 12:41:25,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 12:41:25,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 12:41:25,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 12:41:25,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 12:41:25,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 12:41:25,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 12:41:25,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-12-09 12:41:25,997 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 12:41:25,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 12:41:25,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 12:41:25,998 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 12:41:25,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 12:41:25,998 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 12:41:25,998 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 12:41:25,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 12:41:25,998 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 12:41:25,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 12:41:25,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 12:41:25,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 12:41:25,999 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 12:41:25,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 12:41:25,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 12:41:26,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 12:41:26,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 12:41:26,000 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 12:41:26,000 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 12:41:26,000 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 12:41:26,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 12:41:26,000 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 12:41:26,000 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 12:41:26,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 12:41:26,001 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 12:41:26,001 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 12:41:26,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 12:41:26,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 12:41:26,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 12:41:26,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:41:26,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 12:41:26,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 12:41:26,002 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 12:41:26,002 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 12:41:26,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 12:41:26,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 12:41:26,002 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_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef [2020-12-09 12:41:26,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 12:41:26,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 12:41:26,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 12:41:26,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 12:41:26,260 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 12:41:26,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-12-09 12:41:26,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/data/9951d8049/5debfcc3e3494bb0b964dc1316fefca5/FLAGf392f8d2e [2020-12-09 12:41:26,729 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 12:41:26,730 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2020-12-09 12:41:26,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/data/9951d8049/5debfcc3e3494bb0b964dc1316fefca5/FLAGf392f8d2e [2020-12-09 12:41:26,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/data/9951d8049/5debfcc3e3494bb0b964dc1316fefca5 [2020-12-09 12:41:26,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 12:41:26,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 12:41:26,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 12:41:26,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 12:41:26,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 12:41:26,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:41:26" (1/1) ... [2020-12-09 12:41:26,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af20e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:26, skipping insertion in model container [2020-12-09 12:41:26,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:41:26" (1/1) ... [2020-12-09 12:41:26,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 12:41:26,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:41:27,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:41:27,072 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 12:41:27,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:41:27,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:41:27,138 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 12:41:27,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:41:27,252 INFO L208 MainTranslator]: Completed translation [2020-12-09 12:41:27,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27 WrapperNode [2020-12-09 12:41:27,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 12:41:27,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 12:41:27,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 12:41:27,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 12:41:27,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (1/1) ... [2020-12-09 12:41:27,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (1/1) ... [2020-12-09 12:41:27,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 12:41:27,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 12:41:27,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 12:41:27,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 12:41:27,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (1/1) ... [2020-12-09 12:41:27,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (1/1) ... [2020-12-09 12:41:27,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (1/1) ... [2020-12-09 12:41:27,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (1/1) ... [2020-12-09 12:41:27,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (1/1) ... [2020-12-09 12:41:27,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (1/1) ... [2020-12-09 12:41:27,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (1/1) ... [2020-12-09 12:41:27,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 12:41:27,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 12:41:27,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 12:41:27,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 12:41:27,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/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 [2020-12-09 12:41:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 12:41:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 12:41:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 12:41:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 12:41:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 12:41:27,529 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 12:41:27,529 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-09 12:41:27,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:41:27 BoogieIcfgContainer [2020-12-09 12:41:27,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 12:41:27,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 12:41:27,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 12:41:27,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 12:41:27,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:41:26" (1/3) ... [2020-12-09 12:41:27,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ab1d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:41:27, skipping insertion in model container [2020-12-09 12:41:27,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:27" (2/3) ... [2020-12-09 12:41:27,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ab1d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:41:27, skipping insertion in model container [2020-12-09 12:41:27,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:41:27" (3/3) ... [2020-12-09 12:41:27,535 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2020-12-09 12:41:27,545 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 12:41:27,547 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 12:41:27,554 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 12:41:27,568 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 12:41:27,569 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 12:41:27,569 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 12:41:27,569 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 12:41:27,569 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 12:41:27,569 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 12:41:27,569 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 12:41:27,569 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 12:41:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-09 12:41:27,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 12:41:27,581 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:41:27,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:41:27,582 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 12:41:27,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:41:27,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2020-12-09 12:41:27,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:41:27,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685688629] [2020-12-09 12:41:27,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_378cf857-cc1a-4cbc-915a-1ef83201b459/bin/utaipan/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 [2020-12-09 12:41:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 12:41:27,650 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 12:41:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 12:41:27,670 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 12:41:27,692 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 12:41:27,693 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 12:41:27,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 12:41:27,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:41:27 BoogieIcfgContainer [2020-12-09 12:41:27,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 12:41:27,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 12:41:27,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 12:41:27,914 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 12:41:27,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:41:27" (3/4) ... [2020-12-09 12:41:27,917 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 12:41:27,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 12:41:27,919 INFO L168 Benchmark]: Toolchain (without parser) took 1165.44 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.5 MB in the beginning and 34.7 MB in the end (delta: -116.3 kB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-12-09 12:41:27,920 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:41:27,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.98 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.4 MB in the beginning and 45.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-12-09 12:41:27,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.88 ms. Allocated memory is still 73.4 MB. Free memory was 45.0 MB in the beginning and 42.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:41:27,922 INFO L168 Benchmark]: Boogie Preprocessor took 21.07 ms. Allocated memory is still 73.4 MB. Free memory was 42.9 MB in the beginning and 41.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:41:27,922 INFO L168 Benchmark]: RCFGBuilder took 212.94 ms. Allocated memory is still 73.4 MB. Free memory was 41.6 MB in the beginning and 53.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:41:27,923 INFO L168 Benchmark]: TraceAbstraction took 381.71 ms. Allocated memory is still 73.4 MB. Free memory was 52.7 MB in the beginning and 35.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 12:41:27,924 INFO L168 Benchmark]: Witness Printer took 3.96 ms. Allocated memory is still 73.4 MB. Free memory was 35.2 MB in the beginning and 34.7 MB in the end (delta: 555.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:41:27,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 498.98 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 34.4 MB in the beginning and 45.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.88 ms. Allocated memory is still 73.4 MB. Free memory was 45.0 MB in the beginning and 42.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.07 ms. Allocated memory is still 73.4 MB. Free memory was 42.9 MB in the beginning and 41.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 212.94 ms. Allocated memory is still 73.4 MB. Free memory was 41.6 MB in the beginning and 53.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 381.71 ms. Allocated memory is still 73.4 MB. Free memory was 52.7 MB in the beginning and 35.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.96 ms. Allocated memory is still 73.4 MB. Free memory was 35.2 MB in the beginning and 34.7 MB in the end (delta: 555.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}] [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; VAL [ldv_global_msg_list={3:0}] [L770] struct ldv_device *dev = alloc_21(); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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 Received shutdown request...