./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 791161d1 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_test3-1.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 c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 06:15:20,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 06:15:20,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 06:15:20,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 06:15:20,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 06:15:20,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 06:15:20,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 06:15:20,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 06:15:20,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 06:15:20,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 06:15:20,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 06:15:20,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 06:15:20,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 06:15:20,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 06:15:20,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 06:15:20,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 06:15:20,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 06:15:20,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 06:15:20,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 06:15:20,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 06:15:20,968 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 06:15:20,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 06:15:20,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 06:15:20,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 06:15:20,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 06:15:20,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 06:15:20,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 06:15:20,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 06:15:20,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 06:15:20,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 06:15:20,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 06:15:20,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 06:15:20,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 06:15:20,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 06:15:20,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 06:15:20,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 06:15:20,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 06:15:20,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 06:15:20,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 06:15:20,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 06:15:20,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 06:15:20,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 06:15:20,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-23 06:15:21,014 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 06:15:21,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 06:15:21,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 06:15:21,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 06:15:21,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 06:15:21,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 06:15:21,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 06:15:21,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 06:15:21,017 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 06:15:21,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 06:15:21,018 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 06:15:21,018 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 06:15:21,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 06:15:21,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 06:15:21,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 06:15:21,019 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-23 06:15:21,019 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-23 06:15:21,019 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-23 06:15:21,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 06:15:21,019 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 06:15:21,020 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 06:15:21,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 06:15:21,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 06:15:21,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 06:15:21,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 06:15:21,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 06:15:21,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 06:15:21,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 06:15:21,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 06:15:21,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 06:15:21,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2022-07-23 06:15:21,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 06:15:21,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 06:15:21,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 06:15:21,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 06:15:21,271 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 06:15:21,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-07-23 06:15:21,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0644304f/38cda4702e274bc787657a328126b84b/FLAG19eead384 [2022-07-23 06:15:21,837 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 06:15:21,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-07-23 06:15:21,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0644304f/38cda4702e274bc787657a328126b84b/FLAG19eead384 [2022-07-23 06:15:22,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0644304f/38cda4702e274bc787657a328126b84b [2022-07-23 06:15:22,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 06:15:22,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 06:15:22,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 06:15:22,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 06:15:22,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 06:15:22,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:15:22" (1/1) ... [2022-07-23 06:15:22,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1446bd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:22, skipping insertion in model container [2022-07-23 06:15:22,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:15:22" (1/1) ... [2022-07-23 06:15:22,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 06:15:22,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 06:15:22,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:15:22,895 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) [2022-07-23 06:15:22,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@627c4d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:22, skipping insertion in model container [2022-07-23 06:15:22,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 06:15:22,897 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-23 06:15:22,900 INFO L158 Benchmark]: Toolchain (without parser) took 512.36ms. Allocated memory is still 86.0MB. Free memory was 59.2MB in the beginning and 57.8MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 06:15:22,900 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:15:22,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.15ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 57.8MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 06:15:22,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.15ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 57.8MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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_test3-1.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 c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 06:15:24,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 06:15:24,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 06:15:24,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 06:15:24,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 06:15:24,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 06:15:24,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 06:15:24,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 06:15:24,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 06:15:24,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 06:15:24,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 06:15:24,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 06:15:24,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 06:15:24,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 06:15:24,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 06:15:24,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 06:15:24,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 06:15:24,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 06:15:24,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 06:15:24,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 06:15:24,699 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 06:15:24,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 06:15:24,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 06:15:24,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 06:15:24,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 06:15:24,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 06:15:24,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 06:15:24,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 06:15:24,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 06:15:24,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 06:15:24,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 06:15:24,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 06:15:24,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 06:15:24,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 06:15:24,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 06:15:24,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 06:15:24,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 06:15:24,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 06:15:24,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 06:15:24,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 06:15:24,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 06:15:24,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 06:15:24,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-23 06:15:24,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 06:15:24,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 06:15:24,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 06:15:24,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 06:15:24,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 06:15:24,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 06:15:24,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 06:15:24,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 06:15:24,754 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 06:15:24,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 06:15:24,755 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 06:15:24,755 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 06:15:24,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 06:15:24,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 06:15:24,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 06:15:24,756 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-23 06:15:24,756 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-23 06:15:24,756 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-23 06:15:24,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 06:15:24,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 06:15:24,757 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 06:15:24,757 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 06:15:24,757 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 06:15:24,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 06:15:24,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 06:15:24,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 06:15:24,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 06:15:24,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 06:15:24,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 06:15:24,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 06:15:24,758 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 06:15:24,759 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 06:15:24,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 06:15:24,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2022-07-23 06:15:25,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 06:15:25,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 06:15:25,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 06:15:25,080 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 06:15:25,080 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 06:15:25,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-07-23 06:15:25,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/331289698/93b9b0a9c283423294f044591f3bdf81/FLAG82aec7881 [2022-07-23 06:15:25,566 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 06:15:25,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-07-23 06:15:25,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/331289698/93b9b0a9c283423294f044591f3bdf81/FLAG82aec7881 [2022-07-23 06:15:25,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/331289698/93b9b0a9c283423294f044591f3bdf81 [2022-07-23 06:15:25,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 06:15:25,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 06:15:25,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 06:15:25,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 06:15:25,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 06:15:25,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:15:25" (1/1) ... [2022-07-23 06:15:25,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6a8ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:25, skipping insertion in model container [2022-07-23 06:15:25,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:15:25" (1/1) ... [2022-07-23 06:15:25,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 06:15:25,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 06:15:25,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:15:26,009 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 06:15:26,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 06:15:26,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:15:26,080 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 06:15:26,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:15:26,192 INFO L208 MainTranslator]: Completed translation [2022-07-23 06:15:26,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26 WrapperNode [2022-07-23 06:15:26,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 06:15:26,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 06:15:26,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 06:15:26,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 06:15:26,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (1/1) ... [2022-07-23 06:15:26,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (1/1) ... [2022-07-23 06:15:26,246 INFO L137 Inliner]: procedures = 167, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 22 [2022-07-23 06:15:26,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 06:15:26,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 06:15:26,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 06:15:26,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 06:15:26,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (1/1) ... [2022-07-23 06:15:26,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (1/1) ... [2022-07-23 06:15:26,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (1/1) ... [2022-07-23 06:15:26,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (1/1) ... [2022-07-23 06:15:26,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (1/1) ... [2022-07-23 06:15:26,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (1/1) ... [2022-07-23 06:15:26,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (1/1) ... [2022-07-23 06:15:26,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 06:15:26,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 06:15:26,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 06:15:26,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 06:15:26,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (1/1) ... [2022-07-23 06:15:26,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 06:15:26,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 06:15:26,345 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) [2022-07-23 06:15:26,353 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 [2022-07-23 06:15:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 06:15:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 06:15:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 06:15:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 06:15:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 06:15:26,491 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 06:15:26,506 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 06:15:26,611 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 06:15:26,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 06:15:26,626 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 06:15:26,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:15:26 BoogieIcfgContainer [2022-07-23 06:15:26,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 06:15:26,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 06:15:26,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 06:15:26,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 06:15:26,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:15:25" (1/3) ... [2022-07-23 06:15:26,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d440f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:15:26, skipping insertion in model container [2022-07-23 06:15:26,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:15:26" (2/3) ... [2022-07-23 06:15:26,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d440f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:15:26, skipping insertion in model container [2022-07-23 06:15:26,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:15:26" (3/3) ... [2022-07-23 06:15:26,634 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2022-07-23 06:15:26,658 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 06:15:26,659 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-23 06:15:26,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 06:15:26,707 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@10f77b7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@19e21dbf [2022-07-23 06:15:26,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-23 06:15:26,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 10 states have (on average 1.5) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 06:15:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-23 06:15:26,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 06:15:26,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-23 06:15:26,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-07-23 06:15:26,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 06:15:26,721 INFO L85 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2022-07-23 06:15:26,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 06:15:26,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839161434] [2022-07-23 06:15:26,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 06:15:26,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 06:15:26,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 06:15:26,733 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) [2022-07-23 06:15:26,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 06:15:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 06:15:26,823 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 06:15:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 06:15:26,856 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-23 06:15:26,858 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-23 06:15:26,858 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (3 of 4 remaining) [2022-07-23 06:15:26,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2022-07-23 06:15:26,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2022-07-23 06:15:26,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2022-07-23 06:15:26,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 06:15:27,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 06:15:27,072 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-23 06:15:27,076 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-23 06:15:27,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:15:27 BoogieIcfgContainer [2022-07-23 06:15:27,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-23 06:15:27,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 06:15:27,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 06:15:27,092 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 06:15:27,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:15:26" (3/4) ... [2022-07-23 06:15:27,094 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-23 06:15:27,130 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 06:15:27,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 06:15:27,131 INFO L158 Benchmark]: Toolchain (without parser) took 1532.69ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.5MB in the beginning and 36.0MB in the end (delta: -6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-23 06:15:27,132 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 35.9MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:15:27,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.35ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.2MB in the beginning and 46.2MB in the end (delta: -17.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-07-23 06:15:27,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.06ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 44.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 06:15:27,133 INFO L158 Benchmark]: Boogie Preprocessor took 29.04ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 42.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:15:27,133 INFO L158 Benchmark]: RCFGBuilder took 349.64ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 33.3MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 06:15:27,134 INFO L158 Benchmark]: TraceAbstraction took 462.86ms. Allocated memory is still 67.1MB. Free memory was 32.6MB in the beginning and 37.6MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:15:27,134 INFO L158 Benchmark]: Witness Printer took 38.48ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 36.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:15:27,136 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 54.5MB. Free memory was 35.9MB in the beginning and 35.9MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.35ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.2MB in the beginning and 46.2MB in the end (delta: -17.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.06ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 44.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.04ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 42.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.64ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 33.3MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 462.86ms. Allocated memory is still 67.1MB. Free memory was 32.6MB in the beginning and 37.6MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.48ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 36.0MB in the end (delta: 1.6MB). 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 - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L766] CALL entry_point() [L762] CALL, EXPR h_unsafe() [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] RET, EXPR h_unsafe() [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={1:0}, p={0:-2147483648}] [L763] free(p) VAL [ldv_global_msg_list={1:0}, p={0:-2147483648}] - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 765]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 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, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! [2022-07-23 06:15:27,166 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)