./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test8_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_test8_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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 06:16:09,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 06:16:09,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 06:16:09,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 06:16:09,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 06:16:09,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 06:16:09,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 06:16:09,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 06:16:09,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 06:16:09,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 06:16:09,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 06:16:09,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 06:16:09,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 06:16:09,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 06:16:09,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 06:16:09,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 06:16:09,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 06:16:09,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 06:16:09,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 06:16:09,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 06:16:09,770 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 06:16:09,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 06:16:09,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 06:16:09,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 06:16:09,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 06:16:09,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 06:16:09,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 06:16:09,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 06:16:09,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 06:16:09,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 06:16:09,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 06:16:09,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 06:16:09,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 06:16:09,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 06:16:09,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 06:16:09,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 06:16:09,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 06:16:09,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 06:16:09,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 06:16:09,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 06:16:09,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 06:16:09,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 06:16:09,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-23 06:16:09,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 06:16:09,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 06:16:09,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 06:16:09,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 06:16:09,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 06:16:09,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 06:16:09,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 06:16:09,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 06:16:09,830 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 06:16:09,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 06:16:09,831 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 06:16:09,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 06:16:09,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 06:16:09,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 06:16:09,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 06:16:09,832 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-23 06:16:09,832 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-23 06:16:09,832 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-23 06:16:09,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 06:16:09,833 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 06:16:09,833 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 06:16:09,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 06:16:09,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 06:16:09,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 06:16:09,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 06:16:09,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 06:16:09,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 06:16:09,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 06:16:09,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 06:16:09,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 06:16:09,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2022-07-23 06:16:10,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 06:16:10,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 06:16:10,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 06:16:10,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 06:16:10,095 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 06:16:10,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-07-23 06:16:10,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7222dd3a7/3d4a4e06263c46bf87f556217967dd9c/FLAG1f0391eea [2022-07-23 06:16:10,597 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 06:16:10,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-07-23 06:16:10,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7222dd3a7/3d4a4e06263c46bf87f556217967dd9c/FLAG1f0391eea [2022-07-23 06:16:10,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7222dd3a7/3d4a4e06263c46bf87f556217967dd9c [2022-07-23 06:16:10,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 06:16:10,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 06:16:10,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 06:16:10,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 06:16:10,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 06:16:10,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:16:10" (1/1) ... [2022-07-23 06:16:10,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cc5833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:10, skipping insertion in model container [2022-07-23 06:16:10,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:16:10" (1/1) ... [2022-07-23 06:16:10,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 06:16:11,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 06:16:11,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:16:11,429 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 06:16:11,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e4e9743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:11, skipping insertion in model container [2022-07-23 06:16:11,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 06:16:11,431 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-23 06:16:11,434 INFO L158 Benchmark]: Toolchain (without parser) took 479.04ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 66.3MB in the beginning and 90.8MB in the end (delta: -24.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-23 06:16:11,435 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:16:11,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.93ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 66.1MB in the beginning and 90.8MB in the end (delta: -24.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-23 06:16:11,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.93ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 66.1MB in the beginning and 90.8MB in the end (delta: -24.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test8_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 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 06:16:13,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 06:16:13,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 06:16:13,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 06:16:13,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 06:16:13,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 06:16:13,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 06:16:13,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 06:16:13,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 06:16:13,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 06:16:13,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 06:16:13,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 06:16:13,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 06:16:13,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 06:16:13,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 06:16:13,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 06:16:13,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 06:16:13,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 06:16:13,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 06:16:13,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 06:16:13,244 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 06:16:13,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 06:16:13,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 06:16:13,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 06:16:13,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 06:16:13,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 06:16:13,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 06:16:13,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 06:16:13,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 06:16:13,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 06:16:13,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 06:16:13,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 06:16:13,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 06:16:13,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 06:16:13,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 06:16:13,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 06:16:13,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 06:16:13,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 06:16:13,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 06:16:13,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 06:16:13,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 06:16:13,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 06:16:13,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-23 06:16:13,299 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 06:16:13,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 06:16:13,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 06:16:13,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 06:16:13,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 06:16:13,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 06:16:13,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 06:16:13,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 06:16:13,302 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 06:16:13,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 06:16:13,303 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 06:16:13,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 06:16:13,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 06:16:13,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 06:16:13,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 06:16:13,311 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-23 06:16:13,311 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-23 06:16:13,311 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-23 06:16:13,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 06:16:13,312 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 06:16:13,312 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 06:16:13,312 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 06:16:13,312 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 06:16:13,313 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 06:16:13,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 06:16:13,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 06:16:13,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 06:16:13,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 06:16:13,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 06:16:13,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 06:16:13,314 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 06:16:13,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 06:16:13,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 06:16:13,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2022-07-23 06:16:13,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 06:16:13,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 06:16:13,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 06:16:13,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 06:16:13,697 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 06:16:13,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-07-23 06:16:13,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e19eb114/af9e4dabf9cb43c580bd05ea042cb635/FLAG2b669e18d [2022-07-23 06:16:14,279 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 06:16:14,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2022-07-23 06:16:14,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e19eb114/af9e4dabf9cb43c580bd05ea042cb635/FLAG2b669e18d [2022-07-23 06:16:14,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e19eb114/af9e4dabf9cb43c580bd05ea042cb635 [2022-07-23 06:16:14,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 06:16:14,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 06:16:14,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 06:16:14,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 06:16:14,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 06:16:14,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:16:14" (1/1) ... [2022-07-23 06:16:14,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7db98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:14, skipping insertion in model container [2022-07-23 06:16:14,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:16:14" (1/1) ... [2022-07-23 06:16:14,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 06:16:14,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 06:16:15,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:16:15,132 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 06:16:15,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 06:16:15,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:16:15,219 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 06:16:15,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:16:15,331 INFO L208 MainTranslator]: Completed translation [2022-07-23 06:16:15,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15 WrapperNode [2022-07-23 06:16:15,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 06:16:15,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 06:16:15,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 06:16:15,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 06:16:15,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (1/1) ... [2022-07-23 06:16:15,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (1/1) ... [2022-07-23 06:16:15,406 INFO L137 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 17 [2022-07-23 06:16:15,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 06:16:15,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 06:16:15,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 06:16:15,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 06:16:15,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (1/1) ... [2022-07-23 06:16:15,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (1/1) ... [2022-07-23 06:16:15,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (1/1) ... [2022-07-23 06:16:15,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (1/1) ... [2022-07-23 06:16:15,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (1/1) ... [2022-07-23 06:16:15,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (1/1) ... [2022-07-23 06:16:15,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (1/1) ... [2022-07-23 06:16:15,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 06:16:15,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 06:16:15,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 06:16:15,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 06:16:15,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (1/1) ... [2022-07-23 06:16:15,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 06:16:15,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 06:16:15,485 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 06:16:15,499 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 06:16:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 06:16:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 06:16:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 06:16:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 06:16:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 06:16:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 06:16:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 06:16:15,688 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 06:16:15,690 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 06:16:15,796 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 06:16:15,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 06:16:15,802 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 06:16:15,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:16:15 BoogieIcfgContainer [2022-07-23 06:16:15,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 06:16:15,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 06:16:15,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 06:16:15,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 06:16:15,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:16:14" (1/3) ... [2022-07-23 06:16:15,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779820cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:16:15, skipping insertion in model container [2022-07-23 06:16:15,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:16:15" (2/3) ... [2022-07-23 06:16:15,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779820cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:16:15, skipping insertion in model container [2022-07-23 06:16:15,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:16:15" (3/3) ... [2022-07-23 06:16:15,816 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2022-07-23 06:16:15,831 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 06:16:15,832 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 06:16:15,872 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 06:16:15,879 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@269ae7a3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@576d39f4 [2022-07-23 06:16:15,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 06:16:15,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 06:16:15,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-23 06:16:15,894 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 06:16:15,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 06:16:15,895 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-07-23 06:16:15,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 06:16:15,902 INFO L85 PathProgramCache]: Analyzing trace with hash -792258202, now seen corresponding path program 1 times [2022-07-23 06:16:15,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 06:16:15,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136649284] [2022-07-23 06:16:15,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 06:16:15,916 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 06:16:15,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 06:16:15,921 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 06:16:15,923 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 06:16:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 06:16:16,024 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 06:16:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 06:16:16,087 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-23 06:16:16,089 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-23 06:16:16,090 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-07-23 06:16:16,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 06:16:16,301 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 06:16:16,306 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-23 06:16:16,310 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-23 06:16:16,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:16:16 BoogieIcfgContainer [2022-07-23 06:16:16,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-23 06:16:16,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 06:16:16,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 06:16:16,328 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 06:16:16,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:16:15" (3/4) ... [2022-07-23 06:16:16,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 06:16:16,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 06:16:16,332 INFO L158 Benchmark]: Toolchain (without parser) took 1727.55ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 38.0MB in the beginning and 56.3MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:16:16,333 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:16:16,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.63ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 26.7MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 06:16:16,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.25ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 26.7MB in the beginning and 59.2MB in the end (delta: -32.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-07-23 06:16:16,334 INFO L158 Benchmark]: Boogie Preprocessor took 42.06ms. Allocated memory is still 77.6MB. Free memory was 59.2MB in the beginning and 58.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 06:16:16,335 INFO L158 Benchmark]: RCFGBuilder took 353.68ms. Allocated memory is still 77.6MB. Free memory was 58.1MB in the beginning and 48.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 06:16:16,335 INFO L158 Benchmark]: TraceAbstraction took 521.43ms. Allocated memory is still 77.6MB. Free memory was 48.0MB in the beginning and 56.7MB in the end (delta: -8.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-07-23 06:16:16,336 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 77.6MB. Free memory was 56.7MB in the beginning and 56.3MB in the end (delta: 425.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:16:16,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.63ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 26.7MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.25ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 26.7MB in the beginning and 59.2MB in the end (delta: -32.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.06ms. Allocated memory is still 77.6MB. Free memory was 59.2MB in the beginning and 58.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.68ms. Allocated memory is still 77.6MB. Free memory was 58.1MB in the beginning and 48.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 521.43ms. Allocated memory is still 77.6MB. Free memory was 48.0MB in the beginning and 56.7MB in the end (delta: -8.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 77.6MB. Free memory was 56.7MB in the beginning and 56.3MB in the end (delta: 425.3kB). 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: 768]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 768. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] CALL entry_point() [L765] CALL alloc_8() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a8={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a8={0:0}, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() [L766] a8 = 0 VAL [a8={0:0}, ldv_global_msg_list={1:0}] [L769] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-23 06:16:16,378 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