./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 574ddb4e 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_test5_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 e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 21:24:48,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 21:24:48,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 21:24:48,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 21:24:48,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 21:24:48,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 21:24:48,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 21:24:48,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 21:24:48,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 21:24:48,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 21:24:48,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 21:24:48,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 21:24:48,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 21:24:48,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 21:24:48,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 21:24:48,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 21:24:48,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 21:24:48,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 21:24:48,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 21:24:48,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 21:24:48,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 21:24:48,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 21:24:48,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 21:24:48,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 21:24:48,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 21:24:48,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 21:24:48,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 21:24:48,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 21:24:48,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 21:24:48,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 21:24:48,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 21:24:48,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 21:24:48,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 21:24:48,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 21:24:48,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 21:24:48,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 21:24:48,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 21:24:48,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 21:24:48,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 21:24:48,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 21:24:48,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 21:24:48,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-02-18 21:24:48,686 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 21:24:48,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 21:24:48,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 21:24:48,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 21:24:48,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 21:24:48,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 21:24:48,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 21:24:48,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 21:24:48,690 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 21:24:48,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 21:24:48,690 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 21:24:48,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 21:24:48,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 21:24:48,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 21:24:48,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 21:24:48,690 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 21:24:48,691 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 21:24:48,691 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 21:24:48,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 21:24:48,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 21:24:48,691 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 21:24:48,691 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 21:24:48,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 21:24:48,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 21:24:48,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 21:24:48,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 21:24:48,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 21:24:48,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 21:24:48,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 21:24:48,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 21:24:48,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 21:24:48,693 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 21:24:48,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 21:24:48,693 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 21:24:48,693 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2023-02-18 21:24:48,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 21:24:48,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 21:24:48,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 21:24:48,865 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 21:24:48,865 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 21:24:48,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-02-18 21:24:49,877 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 21:24:50,090 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 21:24:50,091 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-02-18 21:24:50,112 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419e24aae/cc0b1a25f3474f5cbe27ba6f047f9df8/FLAG6ca1aecf6 [2023-02-18 21:24:50,124 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/419e24aae/cc0b1a25f3474f5cbe27ba6f047f9df8 [2023-02-18 21:24:50,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 21:24:50,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 21:24:50,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 21:24:50,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 21:24:50,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 21:24:50,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:24:50" (1/1) ... [2023-02-18 21:24:50,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41eb8634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:50, skipping insertion in model container [2023-02-18 21:24:50,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:24:50" (1/1) ... [2023-02-18 21:24:50,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 21:24:50,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 21:24:50,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:24:50,380 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) [2023-02-18 21:24:50,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6edf7552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:50, skipping insertion in model container [2023-02-18 21:24:50,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 21:24:50,382 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-18 21:24:50,384 INFO L158 Benchmark]: Toolchain (without parser) took 255.36ms. Allocated memory is still 123.7MB. Free memory was 75.8MB in the beginning and 62.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-18 21:24:50,385 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory was 90.0MB in the beginning and 89.9MB in the end (delta: 92.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 21:24:50,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.83ms. Allocated memory is still 123.7MB. Free memory was 75.8MB in the beginning and 62.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-18 21:24:50,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory was 90.0MB in the beginning and 89.9MB in the end (delta: 92.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.83ms. Allocated memory is still 123.7MB. Free memory was 75.8MB in the beginning and 62.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. 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_test5_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 e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 21:24:51,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 21:24:51,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 21:24:51,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 21:24:51,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 21:24:51,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 21:24:51,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 21:24:51,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 21:24:51,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 21:24:51,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 21:24:51,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 21:24:51,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 21:24:51,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 21:24:51,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 21:24:51,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 21:24:51,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 21:24:51,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 21:24:51,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 21:24:51,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 21:24:51,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 21:24:51,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 21:24:51,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 21:24:51,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 21:24:51,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 21:24:51,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 21:24:51,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 21:24:51,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 21:24:51,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 21:24:51,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 21:24:51,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 21:24:51,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 21:24:51,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 21:24:51,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 21:24:51,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 21:24:51,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 21:24:51,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 21:24:51,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 21:24:51,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 21:24:51,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 21:24:51,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 21:24:51,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 21:24:51,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-02-18 21:24:52,005 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 21:24:52,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 21:24:52,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 21:24:52,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 21:24:52,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 21:24:52,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 21:24:52,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 21:24:52,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 21:24:52,008 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 21:24:52,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 21:24:52,009 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 21:24:52,009 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 21:24:52,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 21:24:52,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 21:24:52,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 21:24:52,009 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 21:24:52,010 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 21:24:52,010 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 21:24:52,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 21:24:52,010 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 21:24:52,010 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-18 21:24:52,010 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-18 21:24:52,011 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 21:24:52,011 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 21:24:52,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 21:24:52,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 21:24:52,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 21:24:52,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 21:24:52,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 21:24:52,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 21:24:52,012 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-18 21:24:52,012 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-18 21:24:52,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 21:24:52,012 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 21:24:52,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 21:24:52,013 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-18 21:24:52,013 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 21:24:52,013 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e6b24d9cf8216a993f94ef9a45f82a920f286164b928ab0c38c455f4ed913b [2023-02-18 21:24:52,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 21:24:52,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 21:24:52,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 21:24:52,271 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 21:24:52,271 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 21:24:52,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-02-18 21:24:53,244 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 21:24:53,422 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 21:24:53,422 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2023-02-18 21:24:53,435 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81aa53428/73710db6c1294e4a80b27ab0c70e5569/FLAG7ee50ea51 [2023-02-18 21:24:53,451 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81aa53428/73710db6c1294e4a80b27ab0c70e5569 [2023-02-18 21:24:53,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 21:24:53,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 21:24:53,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 21:24:53,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 21:24:53,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 21:24:53,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282fd750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53, skipping insertion in model container [2023-02-18 21:24:53,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 21:24:53,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 21:24:53,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:24:53,817 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-02-18 21:24:53,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 21:24:53,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:24:53,862 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 21:24:53,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 21:24:53,922 INFO L208 MainTranslator]: Completed translation [2023-02-18 21:24:53,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53 WrapperNode [2023-02-18 21:24:53,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 21:24:53,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 21:24:53,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 21:24:53,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 21:24:53,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,950 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 16 [2023-02-18 21:24:53,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 21:24:53,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 21:24:53,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 21:24:53,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 21:24:53,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,964 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 21:24:53,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 21:24:53,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 21:24:53,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 21:24:53,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (1/1) ... [2023-02-18 21:24:53,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 21:24:53,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 21:24:53,998 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) [2023-02-18 21:24:54,005 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 [2023-02-18 21:24:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-02-18 21:24:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-02-18 21:24:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-18 21:24:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 21:24:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-18 21:24:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 21:24:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 21:24:54,093 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 21:24:54,094 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 21:24:54,156 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 21:24:54,160 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 21:24:54,160 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 21:24:54,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:24:54 BoogieIcfgContainer [2023-02-18 21:24:54,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 21:24:54,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 21:24:54,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 21:24:54,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 21:24:54,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 09:24:53" (1/3) ... [2023-02-18 21:24:54,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c38bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:24:54, skipping insertion in model container [2023-02-18 21:24:54,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:24:53" (2/3) ... [2023-02-18 21:24:54,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c38bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:24:54, skipping insertion in model container [2023-02-18 21:24:54,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:24:54" (3/3) ... [2023-02-18 21:24:54,167 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test5_1.i [2023-02-18 21:24:54,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 21:24:54,177 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 21:24:54,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 21:24:54,206 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=PETRI_NET, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a1f9cbd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 21:24:54,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 21:24:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-02-18 21:24:54,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 21:24:54,212 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 21:24:54,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 21:24:54,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-18 21:24:54,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 21:24:54,216 INFO L85 PathProgramCache]: Analyzing trace with hash -792258202, now seen corresponding path program 1 times [2023-02-18 21:24:54,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 21:24:54,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296140929] [2023-02-18 21:24:54,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 21:24:54,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-18 21:24:54,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 21:24:54,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-18 21:24:54,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-02-18 21:24:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 21:24:54,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 21:24:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 21:24:54,388 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-18 21:24:54,390 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-18 21:24:54,391 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2023-02-18 21:24:54,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-02-18 21:24:54,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-18 21:24:54,603 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-18 21:24:54,606 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 21:24:54,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 09:24:54 BoogieIcfgContainer [2023-02-18 21:24:54,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 21:24:54,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 21:24:54,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 21:24:54,627 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 21:24:54,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:24:54" (3/4) ... [2023-02-18 21:24:54,631 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-18 21:24:54,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 21:24:54,633 INFO L158 Benchmark]: Toolchain (without parser) took 1177.37ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.6MB in the beginning and 62.3MB in the end (delta: -13.8MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2023-02-18 21:24:54,634 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 21:24:54,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.03ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 37.6MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-18 21:24:54,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.45ms. Allocated memory is still 73.4MB. Free memory was 37.6MB in the beginning and 35.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 21:24:54,638 INFO L158 Benchmark]: Boogie Preprocessor took 15.45ms. Allocated memory is still 73.4MB. Free memory was 35.3MB in the beginning and 34.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 21:24:54,638 INFO L158 Benchmark]: RCFGBuilder took 194.40ms. Allocated memory is still 73.4MB. Free memory was 34.0MB in the beginning and 42.8MB in the end (delta: -8.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-02-18 21:24:54,641 INFO L158 Benchmark]: TraceAbstraction took 461.81ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 42.1MB in the beginning and 62.8MB in the end (delta: -20.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-18 21:24:54,641 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 88.1MB. Free memory was 62.8MB in the beginning and 62.3MB in the end (delta: 431.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 21:24:54,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.03ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 37.6MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.45ms. Allocated memory is still 73.4MB. Free memory was 37.6MB in the beginning and 35.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.45ms. Allocated memory is still 73.4MB. Free memory was 35.3MB in the beginning and 34.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 194.40ms. Allocated memory is still 73.4MB. Free memory was 34.0MB in the beginning and 42.8MB in the end (delta: -8.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * TraceAbstraction took 461.81ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 42.1MB in the beginning and 62.8MB in the end (delta: -20.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 88.1MB. Free memory was 62.8MB in the beginning and 62.3MB in the end (delta: 431.0kB). 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: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. 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}] [L764] CALL entry_point() [L761] CALL f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET f5() [L764] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 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=14occurred 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, 11 NumberOfCodeBlocks, 11 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 [2023-02-18 21:24:54,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample