./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 21:13:35,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 21:13:35,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 21:13:35,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 21:13:35,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 21:13:35,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 21:13:35,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 21:13:35,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 21:13:35,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 21:13:35,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 21:13:35,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 21:13:35,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 21:13:35,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 21:13:35,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 21:13:35,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 21:13:35,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 21:13:35,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 21:13:35,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 21:13:35,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 21:13:35,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 21:13:35,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 21:13:35,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 21:13:35,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 21:13:35,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 21:13:35,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 21:13:35,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 21:13:35,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 21:13:35,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 21:13:35,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 21:13:35,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 21:13:35,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 21:13:35,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 21:13:35,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 21:13:35,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 21:13:35,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 21:13:35,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 21:13:35,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 21:13:35,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 21:13:35,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 21:13:35,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 21:13:35,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 21:13:35,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-18 21:13:35,560 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 21:13:35,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 21:13:35,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 21:13:35,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 21:13:35,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 21:13:35,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 21:13:35,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 21:13:35,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 21:13:35,562 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 21:13:35,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 21:13:35,563 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-18 21:13:35,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-18 21:13:35,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 21:13:35,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-18 21:13:35,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 21:13:35,564 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-18 21:13:35,564 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-18 21:13:35,564 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-18 21:13:35,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 21:13:35,564 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 21:13:35,565 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-18 21:13:35,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 21:13:35,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 21:13:35,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 21:13:35,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 21:13:35,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:13:35,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 21:13:35,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 21:13:35,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 21:13:35,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 21:13:35,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 21:13:35,567 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2021-12-18 21:13:35,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 21:13:35,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 21:13:35,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 21:13:35,783 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 21:13:35,783 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 21:13:35,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-12-18 21:13:35,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d948fe19/311fc08253df4d21801eb8ee013d0693/FLAGc510fe155 [2021-12-18 21:13:36,280 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 21:13:36,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-12-18 21:13:36,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d948fe19/311fc08253df4d21801eb8ee013d0693/FLAGc510fe155 [2021-12-18 21:13:36,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d948fe19/311fc08253df4d21801eb8ee013d0693 [2021-12-18 21:13:36,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 21:13:36,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 21:13:36,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 21:13:36,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 21:13:36,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 21:13:36,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:13:36" (1/1) ... [2021-12-18 21:13:36,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c5b153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:36, skipping insertion in model container [2021-12-18 21:13:36,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:13:36" (1/1) ... [2021-12-18 21:13:36,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 21:13:36,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:13:36,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:13:36,922 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-12-18 21:13:36,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a6e27ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:36, skipping insertion in model container [2021-12-18 21:13:36,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 21:13:36,924 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-18 21:13:36,926 INFO L158 Benchmark]: Toolchain (without parser) took 299.64ms. Allocated memory is still 115.3MB. Free memory was 82.6MB in the beginning and 88.4MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 21:13:36,927 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 79.7MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:13:36,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.85ms. Allocated memory is still 115.3MB. Free memory was 82.6MB in the beginning and 88.4MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 21:13:36,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 79.7MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.85ms. Allocated memory is still 115.3MB. Free memory was 82.6MB in the beginning and 88.4MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. 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 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 21:13:38,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 21:13:38,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 21:13:38,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 21:13:38,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 21:13:38,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 21:13:38,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 21:13:38,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 21:13:38,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 21:13:38,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 21:13:38,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 21:13:38,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 21:13:38,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 21:13:38,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 21:13:38,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 21:13:38,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 21:13:38,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 21:13:38,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 21:13:38,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 21:13:38,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 21:13:38,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 21:13:38,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 21:13:38,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 21:13:38,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 21:13:38,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 21:13:38,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 21:13:38,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 21:13:38,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 21:13:38,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 21:13:38,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 21:13:38,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 21:13:38,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 21:13:38,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 21:13:38,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 21:13:38,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 21:13:38,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 21:13:38,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 21:13:38,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 21:13:38,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 21:13:38,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 21:13:38,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 21:13:38,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-18 21:13:38,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 21:13:38,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 21:13:38,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 21:13:38,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 21:13:38,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 21:13:38,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 21:13:38,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 21:13:38,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 21:13:38,497 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 21:13:38,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 21:13:38,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-18 21:13:38,498 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-18 21:13:38,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 21:13:38,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-18 21:13:38,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 21:13:38,499 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-18 21:13:38,499 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-18 21:13:38,499 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-18 21:13:38,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 21:13:38,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 21:13:38,500 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 21:13:38,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 21:13:38,500 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-18 21:13:38,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 21:13:38,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 21:13:38,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 21:13:38,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 21:13:38,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:13:38,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 21:13:38,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 21:13:38,501 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 21:13:38,501 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 21:13:38,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 21:13:38,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 21:13:38,502 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2021-12-18 21:13:38,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 21:13:38,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 21:13:38,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 21:13:38,812 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 21:13:38,814 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 21:13:38,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-12-18 21:13:38,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef792690f/6778ab05bdd44fe398f58f05cd478c9e/FLAG088fe3a72 [2021-12-18 21:13:39,416 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 21:13:39,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-12-18 21:13:39,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef792690f/6778ab05bdd44fe398f58f05cd478c9e/FLAG088fe3a72 [2021-12-18 21:13:39,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef792690f/6778ab05bdd44fe398f58f05cd478c9e [2021-12-18 21:13:39,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 21:13:39,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 21:13:39,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 21:13:39,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 21:13:39,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 21:13:39,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:13:39" (1/1) ... [2021-12-18 21:13:39,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc079bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:39, skipping insertion in model container [2021-12-18 21:13:39,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:13:39" (1/1) ... [2021-12-18 21:13:39,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 21:13:39,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:13:40,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:13:40,290 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 21:13:40,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:13:40,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:13:40,363 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 21:13:40,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:13:40,460 INFO L208 MainTranslator]: Completed translation [2021-12-18 21:13:40,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40 WrapperNode [2021-12-18 21:13:40,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 21:13:40,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 21:13:40,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 21:13:40,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 21:13:40,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (1/1) ... [2021-12-18 21:13:40,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (1/1) ... [2021-12-18 21:13:40,514 INFO L137 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 22 [2021-12-18 21:13:40,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 21:13:40,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 21:13:40,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 21:13:40,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 21:13:40,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (1/1) ... [2021-12-18 21:13:40,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (1/1) ... [2021-12-18 21:13:40,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (1/1) ... [2021-12-18 21:13:40,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (1/1) ... [2021-12-18 21:13:40,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (1/1) ... [2021-12-18 21:13:40,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (1/1) ... [2021-12-18 21:13:40,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (1/1) ... [2021-12-18 21:13:40,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 21:13:40,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 21:13:40,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 21:13:40,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 21:13:40,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (1/1) ... [2021-12-18 21:13:40,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:13:40,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 21:13:40,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 21:13:40,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 21:13:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 21:13:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 21:13:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 21:13:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 21:13:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 21:13:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 21:13:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 21:13:40,699 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 21:13:40,700 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 21:13:40,765 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 21:13:40,769 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 21:13:40,769 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 21:13:40,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:13:40 BoogieIcfgContainer [2021-12-18 21:13:40,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 21:13:40,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 21:13:40,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 21:13:40,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 21:13:40,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:13:39" (1/3) ... [2021-12-18 21:13:40,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5811f967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:13:40, skipping insertion in model container [2021-12-18 21:13:40,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:40" (2/3) ... [2021-12-18 21:13:40,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5811f967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:13:40, skipping insertion in model container [2021-12-18 21:13:40,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:13:40" (3/3) ... [2021-12-18 21:13:40,776 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2021-12-18 21:13:40,779 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 21:13:40,779 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 21:13:40,871 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 21:13:40,875 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 21:13:40,876 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 21:13:40,895 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) [2021-12-18 21:13:40,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-18 21:13:40,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 21:13:40,901 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 21:13:40,901 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-18 21:13:40,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 21:13:40,911 INFO L85 PathProgramCache]: Analyzing trace with hash 370410532, now seen corresponding path program 1 times [2021-12-18 21:13:40,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 21:13:40,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256570008] [2021-12-18 21:13:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 21:13:40,933 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 21:13:40,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 21:13:40,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 21:13:40,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 21:13:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 21:13:41,027 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 21:13:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 21:13:41,075 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-18 21:13:41,077 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 21:13:41,078 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2021-12-18 21:13:41,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 21:13:41,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 21:13:41,294 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-18 21:13:41,297 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 21:13:41,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 09:13:41 BoogieIcfgContainer [2021-12-18 21:13:41,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 21:13:41,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 21:13:41,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 21:13:41,315 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 21:13:41,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:13:40" (3/4) ... [2021-12-18 21:13:41,318 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 21:13:41,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 21:13:41,319 INFO L158 Benchmark]: Toolchain (without parser) took 1417.57ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.8MB in the beginning and 42.3MB in the end (delta: -6.5MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-12-18 21:13:41,319 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:13:41,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.83ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.7MB in the beginning and 50.4MB in the end (delta: -14.7MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-12-18 21:13:41,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.73ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-18 21:13:41,321 INFO L158 Benchmark]: Boogie Preprocessor took 33.75ms. Allocated memory is still 71.3MB. Free memory was 48.3MB in the beginning and 46.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:13:41,321 INFO L158 Benchmark]: RCFGBuilder took 221.52ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 37.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 21:13:41,321 INFO L158 Benchmark]: TraceAbstraction took 542.28ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 42.7MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:13:41,322 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 71.3MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 66.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:13:41,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.83ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.7MB in the beginning and 50.4MB in the end (delta: -14.7MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.73ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.75ms. Allocated memory is still 71.3MB. Free memory was 48.3MB in the beginning and 46.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 221.52ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 37.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 542.28ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 42.7MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 71.3MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 66.7kB). 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: 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={1:0}] [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) VAL [\old(size)=16, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A21))={2:0}] [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; VAL [\result={2:4}, ldv_global_msg_list={1:0}, p={2:0}] [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] 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, PartialOrderReductionTime: 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 [2021-12-18 21:13:41,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample