./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 eb692b52 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-?-eb692b5 [2022-07-20 05:58:43,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 05:58:43,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 05:58:43,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 05:58:43,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 05:58:43,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 05:58:43,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 05:58:43,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 05:58:43,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 05:58:43,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 05:58:43,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 05:58:43,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 05:58:43,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 05:58:43,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 05:58:43,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 05:58:43,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 05:58:43,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 05:58:43,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 05:58:43,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 05:58:43,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 05:58:43,405 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 05:58:43,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 05:58:43,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 05:58:43,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 05:58:43,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 05:58:43,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 05:58:43,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 05:58:43,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 05:58:43,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 05:58:43,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 05:58:43,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 05:58:43,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 05:58:43,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 05:58:43,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 05:58:43,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 05:58:43,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 05:58:43,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 05:58:43,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 05:58:43,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 05:58:43,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 05:58:43,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 05:58:43,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 05:58:43,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-20 05:58:43,452 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 05:58:43,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 05:58:43,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 05:58:43,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 05:58:43,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 05:58:43,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 05:58:43,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 05:58:43,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 05:58:43,456 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 05:58:43,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 05:58:43,457 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 05:58:43,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-20 05:58:43,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 05:58:43,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 05:58:43,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 05:58:43,458 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-20 05:58:43,458 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-20 05:58:43,458 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-20 05:58:43,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 05:58:43,458 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 05:58:43,458 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 05:58:43,459 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 05:58:43,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 05:58:43,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 05:58:43,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 05:58:43,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 05:58:43,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 05:58:43,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 05:58:43,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 05:58:43,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 05:58:43,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2022-07-20 05:58:43,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 05:58:43,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 05:58:43,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 05:58:43,734 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 05:58:43,734 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 05:58:43,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2022-07-20 05:58:43,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a746416/9c05bf8c75604534ac2f8735ee26b019/FLAGd32c7b859 [2022-07-20 05:58:44,306 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 05:58:44,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2022-07-20 05:58:44,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a746416/9c05bf8c75604534ac2f8735ee26b019/FLAGd32c7b859 [2022-07-20 05:58:44,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a746416/9c05bf8c75604534ac2f8735ee26b019 [2022-07-20 05:58:44,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 05:58:44,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 05:58:44,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 05:58:44,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 05:58:44,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 05:58:44,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:58:44" (1/1) ... [2022-07-20 05:58:44,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce3096b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:44, skipping insertion in model container [2022-07-20 05:58:44,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:58:44" (1/1) ... [2022-07-20 05:58:44,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 05:58:44,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 05:58:45,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 05:58:45,076 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-07-20 05:58:45,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e2b2eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:45, skipping insertion in model container [2022-07-20 05:58:45,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 05:58:45,078 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-20 05:58:45,080 INFO L158 Benchmark]: Toolchain (without parser) took 459.89ms. Allocated memory is still 96.5MB. Free memory was 60.0MB in the beginning and 67.7MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-20 05:58:45,081 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 73.7MB in the beginning and 73.7MB in the end (delta: 24.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 05:58:45,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.71ms. Allocated memory is still 96.5MB. Free memory was 59.9MB in the beginning and 67.7MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-20 05:58:45,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 73.7MB in the beginning and 73.7MB in the end (delta: 24.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.71ms. Allocated memory is still 96.5MB. Free memory was 59.9MB in the beginning and 67.7MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/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-?-eb692b5 [2022-07-20 05:58:46,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 05:58:46,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 05:58:47,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 05:58:47,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 05:58:47,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 05:58:47,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 05:58:47,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 05:58:47,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 05:58:47,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 05:58:47,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 05:58:47,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 05:58:47,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 05:58:47,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 05:58:47,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 05:58:47,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 05:58:47,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 05:58:47,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 05:58:47,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 05:58:47,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 05:58:47,047 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 05:58:47,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 05:58:47,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 05:58:47,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 05:58:47,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 05:58:47,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 05:58:47,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 05:58:47,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 05:58:47,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 05:58:47,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 05:58:47,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 05:58:47,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 05:58:47,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 05:58:47,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 05:58:47,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 05:58:47,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 05:58:47,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 05:58:47,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 05:58:47,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 05:58:47,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 05:58:47,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 05:58:47,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 05:58:47,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-20 05:58:47,108 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 05:58:47,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 05:58:47,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 05:58:47,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 05:58:47,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 05:58:47,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 05:58:47,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 05:58:47,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 05:58:47,111 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 05:58:47,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 05:58:47,112 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 05:58:47,112 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-20 05:58:47,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 05:58:47,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 05:58:47,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 05:58:47,114 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-20 05:58:47,114 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-20 05:58:47,114 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-20 05:58:47,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 05:58:47,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 05:58:47,115 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 05:58:47,115 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 05:58:47,115 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 05:58:47,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 05:58:47,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 05:58:47,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 05:58:47,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 05:58:47,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 05:58:47,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 05:58:47,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 05:58:47,118 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 05:58:47,118 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 05:58:47,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 05:58:47,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2022-07-20 05:58:47,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 05:58:47,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 05:58:47,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 05:58:47,515 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 05:58:47,515 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 05:58:47,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2022-07-20 05:58:47,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0beee2b0f/d6ae892cef374625a34e3e2ce009addf/FLAG84a01cc43 [2022-07-20 05:58:48,061 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 05:58:48,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2022-07-20 05:58:48,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0beee2b0f/d6ae892cef374625a34e3e2ce009addf/FLAG84a01cc43 [2022-07-20 05:58:48,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0beee2b0f/d6ae892cef374625a34e3e2ce009addf [2022-07-20 05:58:48,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 05:58:48,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 05:58:48,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 05:58:48,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 05:58:48,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 05:58:48,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:58:48" (1/1) ... [2022-07-20 05:58:48,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404e0106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:48, skipping insertion in model container [2022-07-20 05:58:48,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:58:48" (1/1) ... [2022-07-20 05:58:48,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 05:58:48,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 05:58:48,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 05:58:48,900 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 05:58:48,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 05:58:48,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 05:58:48,961 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 05:58:49,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 05:58:49,085 INFO L208 MainTranslator]: Completed translation [2022-07-20 05:58:49,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49 WrapperNode [2022-07-20 05:58:49,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 05:58:49,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 05:58:49,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 05:58:49,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 05:58:49,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (1/1) ... [2022-07-20 05:58:49,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (1/1) ... [2022-07-20 05:58:49,150 INFO L137 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 22 [2022-07-20 05:58:49,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 05:58:49,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 05:58:49,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 05:58:49,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 05:58:49,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (1/1) ... [2022-07-20 05:58:49,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (1/1) ... [2022-07-20 05:58:49,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (1/1) ... [2022-07-20 05:58:49,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (1/1) ... [2022-07-20 05:58:49,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (1/1) ... [2022-07-20 05:58:49,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (1/1) ... [2022-07-20 05:58:49,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (1/1) ... [2022-07-20 05:58:49,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 05:58:49,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 05:58:49,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 05:58:49,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 05:58:49,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (1/1) ... [2022-07-20 05:58:49,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 05:58:49,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 05:58:49,233 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) [2022-07-20 05:58:49,263 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 [2022-07-20 05:58:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 05:58:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 05:58:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 05:58:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 05:58:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 05:58:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 05:58:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 05:58:49,433 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 05:58:49,434 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 05:58:49,550 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 05:58:49,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 05:58:49,555 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 05:58:49,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:58:49 BoogieIcfgContainer [2022-07-20 05:58:49,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 05:58:49,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 05:58:49,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 05:58:49,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 05:58:49,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:58:48" (1/3) ... [2022-07-20 05:58:49,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7ff6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:58:49, skipping insertion in model container [2022-07-20 05:58:49,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:58:49" (2/3) ... [2022-07-20 05:58:49,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7ff6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:58:49, skipping insertion in model container [2022-07-20 05:58:49,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:58:49" (3/3) ... [2022-07-20 05:58:49,569 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2022-07-20 05:58:49,583 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 05:58:49,584 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 05:58:49,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 05:58:49,635 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@140ae5fd, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5079b82f [2022-07-20 05:58:49,636 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 05:58:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 05:58:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-20 05:58:49,646 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 05:58:49,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 05:58:49,648 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-07-20 05:58:49,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 05:58:49,652 INFO L85 PathProgramCache]: Analyzing trace with hash 370410532, now seen corresponding path program 1 times [2022-07-20 05:58:49,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 05:58:49,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399113890] [2022-07-20 05:58:49,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 05:58:49,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 05:58:49,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 05:58:49,670 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) [2022-07-20 05:58:49,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 05:58:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 05:58:49,755 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-20 05:58:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 05:58:49,813 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-20 05:58:49,815 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-20 05:58:49,816 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-07-20 05:58:49,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 05:58:50,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 05:58:50,029 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-20 05:58:50,033 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 05:58:50,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:58:50 BoogieIcfgContainer [2022-07-20 05:58:50,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 05:58:50,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 05:58:50,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 05:58:50,052 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 05:58:50,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:58:49" (3/4) ... [2022-07-20 05:58:50,055 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-20 05:58:50,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 05:58:50,056 INFO L158 Benchmark]: Toolchain (without parser) took 1643.56ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 39.4MB in the beginning and 46.7MB in the end (delta: -7.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-07-20 05:58:50,057 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 46.1MB. Free memory was 28.3MB in the beginning and 28.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 05:58:50,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.61ms. Allocated memory is still 56.6MB. Free memory was 39.3MB in the beginning and 33.7MB in the end (delta: 5.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-07-20 05:58:50,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.60ms. Allocated memory is still 56.6MB. Free memory was 33.7MB in the beginning and 31.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 05:58:50,058 INFO L158 Benchmark]: Boogie Preprocessor took 44.54ms. Allocated memory is still 56.6MB. Free memory was 31.6MB in the beginning and 30.4MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-20 05:58:50,059 INFO L158 Benchmark]: RCFGBuilder took 362.37ms. Allocated memory is still 56.6MB. Free memory was 30.4MB in the beginning and 33.7MB in the end (delta: -3.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-07-20 05:58:50,059 INFO L158 Benchmark]: TraceAbstraction took 490.08ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.3MB in the beginning and 47.0MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 05:58:50,060 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 46.7MB in the end (delta: 329.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 05:58:50,063 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 46.1MB. Free memory was 28.3MB in the beginning and 28.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.61ms. Allocated memory is still 56.6MB. Free memory was 39.3MB in the beginning and 33.7MB in the end (delta: 5.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.60ms. Allocated memory is still 56.6MB. Free memory was 33.7MB in the beginning and 31.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.54ms. Allocated memory is still 56.6MB. Free memory was 31.6MB in the beginning and 30.4MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 362.37ms. Allocated memory is still 56.6MB. Free memory was 30.4MB in the beginning and 33.7MB in the end (delta: -3.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * TraceAbstraction took 490.08ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.3MB in the beginning and 47.0MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 46.7MB in the end (delta: 329.9kB). 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, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-20 05:58:50,099 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