./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f4b24e32 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_test9_2.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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 06:39:21,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 06:39:21,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 06:39:21,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 06:39:21,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 06:39:21,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 06:39:21,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 06:39:21,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 06:39:21,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 06:39:21,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 06:39:21,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 06:39:21,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 06:39:21,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 06:39:21,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 06:39:21,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 06:39:21,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 06:39:21,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 06:39:21,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 06:39:21,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 06:39:21,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 06:39:21,714 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 06:39:21,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 06:39:21,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 06:39:21,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 06:39:21,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 06:39:21,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 06:39:21,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 06:39:21,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 06:39:21,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 06:39:21,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 06:39:21,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 06:39:21,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 06:39:21,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 06:39:21,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 06:39:21,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 06:39:21,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 06:39:21,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 06:39:21,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 06:39:21,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 06:39:21,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 06:39:21,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 06:39:21,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 06:39:21,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-14 06:39:21,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 06:39:21,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 06:39:21,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 06:39:21,769 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 06:39:21,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 06:39:21,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 06:39:21,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 06:39:21,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 06:39:21,771 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 06:39:21,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 06:39:21,772 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 06:39:21,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 06:39:21,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 06:39:21,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 06:39:21,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 06:39:21,772 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-14 06:39:21,773 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-14 06:39:21,773 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-14 06:39:21,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 06:39:21,773 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 06:39:21,773 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 06:39:21,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 06:39:21,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 06:39:21,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 06:39:21,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 06:39:21,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 06:39:21,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 06:39:21,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 06:39:21,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 06:39:21,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 06:39:21,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2022-07-14 06:39:21,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 06:39:21,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 06:39:21,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 06:39:21,958 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 06:39:21,958 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 06:39:21,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-07-14 06:39:22,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18877c663/1e51de139a99443b8789a790fb66307e/FLAG5a51e0c0e [2022-07-14 06:39:22,427 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 06:39:22,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-07-14 06:39:22,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18877c663/1e51de139a99443b8789a790fb66307e/FLAG5a51e0c0e [2022-07-14 06:39:22,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18877c663/1e51de139a99443b8789a790fb66307e [2022-07-14 06:39:22,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 06:39:22,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 06:39:22,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 06:39:22,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 06:39:22,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 06:39:22,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 06:39:22" (1/1) ... [2022-07-14 06:39:22,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14066d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:22, skipping insertion in model container [2022-07-14 06:39:22,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 06:39:22" (1/1) ... [2022-07-14 06:39:22,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 06:39:22,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 06:39:22,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 06:39:22,758 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) [2022-07-14 06:39:22,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31f93f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:22, skipping insertion in model container [2022-07-14 06:39:22,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 06:39:22,759 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-14 06:39:22,760 INFO L158 Benchmark]: Toolchain (without parser) took 298.89ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 53.7MB in the beginning and 92.1MB in the end (delta: -38.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 06:39:22,761 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 06:39:22,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.33ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 53.5MB in the beginning and 92.1MB in the end (delta: -38.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 06:39:22,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.33ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 53.5MB in the beginning and 92.1MB in the end (delta: -38.6MB). 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 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_test9_2.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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 06:39:24,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 06:39:24,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 06:39:24,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 06:39:24,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 06:39:24,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 06:39:24,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 06:39:24,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 06:39:24,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 06:39:24,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 06:39:24,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 06:39:24,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 06:39:24,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 06:39:24,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 06:39:24,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 06:39:24,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 06:39:24,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 06:39:24,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 06:39:24,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 06:39:24,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 06:39:24,430 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 06:39:24,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 06:39:24,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 06:39:24,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 06:39:24,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 06:39:24,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 06:39:24,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 06:39:24,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 06:39:24,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 06:39:24,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 06:39:24,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 06:39:24,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 06:39:24,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 06:39:24,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 06:39:24,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 06:39:24,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 06:39:24,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 06:39:24,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 06:39:24,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 06:39:24,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 06:39:24,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 06:39:24,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 06:39:24,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-14 06:39:24,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 06:39:24,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 06:39:24,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 06:39:24,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 06:39:24,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 06:39:24,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 06:39:24,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 06:39:24,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 06:39:24,497 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 06:39:24,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 06:39:24,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 06:39:24,498 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 06:39:24,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 06:39:24,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 06:39:24,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 06:39:24,499 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-14 06:39:24,499 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-14 06:39:24,499 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-14 06:39:24,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 06:39:24,500 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 06:39:24,500 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 06:39:24,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 06:39:24,500 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 06:39:24,501 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 06:39:24,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 06:39:24,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 06:39:24,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 06:39:24,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 06:39:24,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 06:39:24,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 06:39:24,502 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 06:39:24,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 06:39:24,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 06:39:24,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2022-07-14 06:39:24,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 06:39:24,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 06:39:24,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 06:39:24,827 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 06:39:24,827 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 06:39:24,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-07-14 06:39:24,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edade879/09ae74b2fdfc407f9b8885585ac2fdc0/FLAGd3aa11eb6 [2022-07-14 06:39:25,390 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 06:39:25,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-07-14 06:39:25,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edade879/09ae74b2fdfc407f9b8885585ac2fdc0/FLAGd3aa11eb6 [2022-07-14 06:39:25,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edade879/09ae74b2fdfc407f9b8885585ac2fdc0 [2022-07-14 06:39:25,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 06:39:25,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 06:39:25,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 06:39:25,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 06:39:25,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 06:39:25,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 06:39:25" (1/1) ... [2022-07-14 06:39:25,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3c6ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:25, skipping insertion in model container [2022-07-14 06:39:25,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 06:39:25" (1/1) ... [2022-07-14 06:39:25,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 06:39:25,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 06:39:26,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 06:39:26,228 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 06:39:26,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 06:39:26,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 06:39:26,296 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 06:39:26,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 06:39:26,379 INFO L208 MainTranslator]: Completed translation [2022-07-14 06:39:26,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26 WrapperNode [2022-07-14 06:39:26,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 06:39:26,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 06:39:26,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 06:39:26,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 06:39:26,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (1/1) ... [2022-07-14 06:39:26,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (1/1) ... [2022-07-14 06:39:26,416 INFO L137 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 23 [2022-07-14 06:39:26,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 06:39:26,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 06:39:26,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 06:39:26,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 06:39:26,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (1/1) ... [2022-07-14 06:39:26,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (1/1) ... [2022-07-14 06:39:26,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (1/1) ... [2022-07-14 06:39:26,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (1/1) ... [2022-07-14 06:39:26,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (1/1) ... [2022-07-14 06:39:26,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (1/1) ... [2022-07-14 06:39:26,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (1/1) ... [2022-07-14 06:39:26,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 06:39:26,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 06:39:26,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 06:39:26,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 06:39:26,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (1/1) ... [2022-07-14 06:39:26,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 06:39:26,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 06:39:26,480 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) [2022-07-14 06:39:26,493 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 [2022-07-14 06:39:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 06:39:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 06:39:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 06:39:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 06:39:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 06:39:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 06:39:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 06:39:26,571 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 06:39:26,573 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 06:39:26,670 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 06:39:26,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 06:39:26,691 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 06:39:26,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:39:26 BoogieIcfgContainer [2022-07-14 06:39:26,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 06:39:26,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 06:39:26,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 06:39:26,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 06:39:26,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 06:39:25" (1/3) ... [2022-07-14 06:39:26,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182b67e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:39:26, skipping insertion in model container [2022-07-14 06:39:26,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:39:26" (2/3) ... [2022-07-14 06:39:26,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182b67e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:39:26, skipping insertion in model container [2022-07-14 06:39:26,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:39:26" (3/3) ... [2022-07-14 06:39:26,698 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2022-07-14 06:39:26,707 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 06:39:26,708 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 06:39:26,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 06:39:26,752 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@489a6479, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@269ae7a3 [2022-07-14 06:39:26,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 06:39:26,760 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) [2022-07-14 06:39:26,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-14 06:39:26,767 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 06:39:26,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 06:39:26,768 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-07-14 06:39:26,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 06:39:26,774 INFO L85 PathProgramCache]: Analyzing trace with hash 370410532, now seen corresponding path program 1 times [2022-07-14 06:39:26,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 06:39:26,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629282345] [2022-07-14 06:39:26,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 06:39:26,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 06:39:26,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 06:39:26,796 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) [2022-07-14 06:39:26,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 06:39:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 06:39:26,890 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 06:39:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 06:39:26,935 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-14 06:39:26,938 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-14 06:39:26,938 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-07-14 06:39:26,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 06:39:27,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 06:39:27,152 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-14 06:39:27,155 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-14 06:39:27,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 06:39:27 BoogieIcfgContainer [2022-07-14 06:39:27,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-14 06:39:27,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 06:39:27,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 06:39:27,170 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 06:39:27,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:39:26" (3/4) ... [2022-07-14 06:39:27,173 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 06:39:27,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 06:39:27,174 INFO L158 Benchmark]: Toolchain (without parser) took 1305.14ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.4MB in the beginning and 43.9MB in the end (delta: -13.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-07-14 06:39:27,175 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 06:39:27,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.14ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.2MB in the beginning and 50.1MB in the end (delta: -19.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-07-14 06:39:27,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.08ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 47.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 06:39:27,176 INFO L158 Benchmark]: Boogie Preprocessor took 38.31ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 46.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 06:39:27,176 INFO L158 Benchmark]: RCFGBuilder took 236.88ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 36.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 06:39:27,177 INFO L158 Benchmark]: TraceAbstraction took 475.19ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 44.3MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 06:39:27,177 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 43.9MB in the end (delta: 382.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 06:39:27,179 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 54.5MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.14ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.2MB in the beginning and 50.1MB in the end (delta: -19.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.08ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 47.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.31ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 46.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 236.88ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 36.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 475.19ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 44.3MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 43.9MB in the end (delta: 382.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L770] CALL entry_point() [L766] CALL probe_9() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a9={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a9={0:0}, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; VAL [\result=0, a9={2:0}, ldv_global_msg_list={1:0}] [L766] RET probe_9() [L767] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L770] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-14 06:39:27,217 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