./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b 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_test1-1.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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:41:19,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:41:19,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:41:19,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:41:19,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:41:19,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:41:19,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:41:19,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:41:19,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:41:19,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:41:19,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:41:19,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:41:19,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:41:19,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:41:19,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:41:19,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:41:19,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:41:19,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:41:19,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:41:19,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:41:19,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:41:19,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:41:19,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:41:19,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:41:19,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:41:19,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:41:19,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:41:19,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:41:19,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:41:19,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:41:19,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:41:19,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:41:19,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:41:19,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:41:19,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:41:19,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:41:19,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:41:19,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:41:19,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:41:19,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:41:19,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:41:19,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-14 19:41:19,939 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:41:19,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:41:19,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:41:19,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:41:19,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:41:19,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:41:19,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:41:19,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:41:19,943 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:41:19,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:41:19,944 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 19:41:19,944 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 19:41:19,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:41:19,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 19:41:19,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:41:19,945 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-14 19:41:19,945 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-14 19:41:19,945 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-14 19:41:19,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:41:19,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 19:41:19,945 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 19:41:19,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:41:19,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:41:19,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:41:19,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:41:19,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:41:19,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:41:19,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:41:19,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:41:19,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:41:19,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:41:19,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2021-12-14 19:41:20,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:41:20,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:41:20,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:41:20,133 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:41:20,134 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:41:20,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-12-14 19:41:20,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b29d9353/c71c3e368f8146e1a35bf6b4a8135254/FLAG2f16ba803 [2021-12-14 19:41:20,570 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:41:20,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-12-14 19:41:20,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b29d9353/c71c3e368f8146e1a35bf6b4a8135254/FLAG2f16ba803 [2021-12-14 19:41:20,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b29d9353/c71c3e368f8146e1a35bf6b4a8135254 [2021-12-14 19:41:20,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:41:20,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:41:20,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:41:20,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:41:20,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:41:20,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:41:20" (1/1) ... [2021-12-14 19:41:20,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5335d688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:20, skipping insertion in model container [2021-12-14 19:41:20,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:41:20" (1/1) ... [2021-12-14 19:41:20,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:41:20,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:41:20,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:41:20,917 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-12-14 19:41:20,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4bd7d45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:20, skipping insertion in model container [2021-12-14 19:41:20,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:41:20,929 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 19:41:20,931 INFO L158 Benchmark]: Toolchain (without parser) took 331.15ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 68.2MB in the beginning and 101.4MB in the end (delta: -33.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 19:41:20,932 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 19:41:20,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.20ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 68.2MB in the beginning and 101.4MB in the end (delta: -33.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 19:41:20,935 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 96.5MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.20ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 68.2MB in the beginning and 101.4MB in the end (delta: -33.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:41:22,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:41:22,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:41:22,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:41:22,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:41:22,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:41:22,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:41:22,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:41:22,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:41:22,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:41:22,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:41:22,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:41:22,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:41:22,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:41:22,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:41:22,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:41:22,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:41:22,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:41:22,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:41:22,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:41:22,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:41:22,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:41:22,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:41:22,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:41:22,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:41:22,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:41:22,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:41:22,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:41:22,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:41:22,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:41:22,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:41:22,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:41:22,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:41:22,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:41:22,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:41:22,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:41:22,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:41:22,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:41:22,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:41:22,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:41:22,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:41:22,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-14 19:41:22,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:41:22,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:41:22,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:41:22,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:41:22,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:41:22,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:41:22,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:41:22,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:41:22,849 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:41:22,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:41:22,850 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 19:41:22,850 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 19:41:22,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:41:22,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 19:41:22,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:41:22,851 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-14 19:41:22,851 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-14 19:41:22,851 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-14 19:41:22,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:41:22,851 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 19:41:22,851 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 19:41:22,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 19:41:22,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 19:41:22,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:41:22,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:41:22,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:41:22,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:41:22,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:41:22,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:41:22,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:41:22,853 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 19:41:22,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 19:41:22,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:41:22,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 19:41:22,853 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2021-12-14 19:41:23,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:41:23,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:41:23,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:41:23,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:41:23,135 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:41:23,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-12-14 19:41:23,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a03add7b/0d5a4b9c1b0a4b819631e0b627e50042/FLAG4920af5b8 [2021-12-14 19:41:23,629 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:41:23,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-12-14 19:41:23,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a03add7b/0d5a4b9c1b0a4b819631e0b627e50042/FLAG4920af5b8 [2021-12-14 19:41:23,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a03add7b/0d5a4b9c1b0a4b819631e0b627e50042 [2021-12-14 19:41:23,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:41:23,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:41:23,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:41:23,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:41:23,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:41:23,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:41:23" (1/1) ... [2021-12-14 19:41:23,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f409e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:23, skipping insertion in model container [2021-12-14 19:41:23,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:41:23" (1/1) ... [2021-12-14 19:41:23,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:41:23,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:41:23,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:41:24,003 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-14 19:41:24,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:41:24,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:41:24,062 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:41:24,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:41:24,152 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:41:24,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24 WrapperNode [2021-12-14 19:41:24,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:41:24,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:41:24,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:41:24,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:41:24,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (1/1) ... [2021-12-14 19:41:24,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (1/1) ... [2021-12-14 19:41:24,208 INFO L137 Inliner]: procedures = 165, calls = 68, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 14 [2021-12-14 19:41:24,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:41:24,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:41:24,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:41:24,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:41:24,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (1/1) ... [2021-12-14 19:41:24,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (1/1) ... [2021-12-14 19:41:24,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (1/1) ... [2021-12-14 19:41:24,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (1/1) ... [2021-12-14 19:41:24,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (1/1) ... [2021-12-14 19:41:24,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (1/1) ... [2021-12-14 19:41:24,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (1/1) ... [2021-12-14 19:41:24,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:41:24,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:41:24,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:41:24,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:41:24,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (1/1) ... [2021-12-14 19:41:24,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:41:24,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:41:24,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 19:41:24,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 19:41:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:41:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:41:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:41:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:41:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:41:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:41:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:41:24,438 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:41:24,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:41:24,499 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:41:24,502 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:41:24,502 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 19:41:24,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:41:24 BoogieIcfgContainer [2021-12-14 19:41:24,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:41:24,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:41:24,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:41:24,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:41:24,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:41:23" (1/3) ... [2021-12-14 19:41:24,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368d2b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:41:24, skipping insertion in model container [2021-12-14 19:41:24,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:41:24" (2/3) ... [2021-12-14 19:41:24,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368d2b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:41:24, skipping insertion in model container [2021-12-14 19:41:24,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:41:24" (3/3) ... [2021-12-14 19:41:24,508 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-1.i [2021-12-14 19:41:24,511 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:41:24,511 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 19:41:24,535 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:41:24,555 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 19:41:24,555 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 19:41:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-14 19:41:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-14 19:41:24,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:41:24,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:41:24,574 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-14 19:41:24,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:41:24,578 INFO L85 PathProgramCache]: Analyzing trace with hash -601742994, now seen corresponding path program 1 times [2021-12-14 19:41:24,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 19:41:24,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307784127] [2021-12-14 19:41:24,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:41:24,588 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 19:41:24,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 19:41:24,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-14 19:41:24,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-14 19:41:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 19:41:24,641 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 19:41:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 19:41:24,668 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-14 19:41:24,669 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-14 19:41:24,670 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2021-12-14 19:41:24,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-14 19:41:24,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 19:41:24,881 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-14 19:41:24,884 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-14 19:41:24,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:41:24 BoogieIcfgContainer [2021-12-14 19:41:24,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 19:41:24,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 19:41:24,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 19:41:24,902 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 19:41:24,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:41:24" (3/4) ... [2021-12-14 19:41:24,904 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 19:41:24,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 19:41:24,906 INFO L158 Benchmark]: Toolchain (without parser) took 1249.68ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 41.7MB in the end (delta: -7.7MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-12-14 19:41:24,909 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 46.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 19:41:24,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.07ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.8MB in the beginning and 48.6MB in the end (delta: -14.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-12-14 19:41:24,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.17ms. Allocated memory is still 69.2MB. Free memory was 48.6MB in the beginning and 46.4MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-14 19:41:24,912 INFO L158 Benchmark]: Boogie Preprocessor took 34.14ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 45.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 19:41:24,912 INFO L158 Benchmark]: RCFGBuilder took 258.42ms. Allocated memory is still 69.2MB. Free memory was 45.4MB in the beginning and 35.9MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 19:41:24,914 INFO L158 Benchmark]: TraceAbstraction took 392.95ms. Allocated memory is still 69.2MB. Free memory was 35.4MB in the beginning and 42.1MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 19:41:24,914 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 69.2MB. Free memory was 42.1MB in the beginning and 41.7MB in the end (delta: 354.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 19:41:24,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 46.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.07ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.8MB in the beginning and 48.6MB in the end (delta: -14.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.17ms. Allocated memory is still 69.2MB. Free memory was 48.6MB in the beginning and 46.4MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.14ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 45.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 258.42ms. Allocated memory is still 69.2MB. Free memory was 45.4MB in the beginning and 35.9MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 392.95ms. Allocated memory is still 69.2MB. Free memory was 35.4MB in the beginning and 42.1MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 69.2MB. Free memory was 42.1MB in the beginning and 41.7MB in the end (delta: 354.5kB). 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: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. 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}] [L761] CALL entry_point() [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 entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-14 19:41:24,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample