./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 e8d55036 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-?-e8d5503-m [2023-02-15 22:11:22,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 22:11:22,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 22:11:22,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 22:11:22,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 22:11:22,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 22:11:22,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 22:11:22,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 22:11:22,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 22:11:22,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 22:11:22,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 22:11:22,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 22:11:22,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 22:11:22,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 22:11:22,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 22:11:22,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 22:11:22,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 22:11:22,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 22:11:22,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 22:11:22,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 22:11:22,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 22:11:22,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 22:11:22,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 22:11:22,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 22:11:22,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 22:11:22,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 22:11:22,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 22:11:22,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 22:11:22,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 22:11:22,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 22:11:22,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 22:11:22,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 22:11:22,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 22:11:22,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 22:11:22,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 22:11:22,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 22:11:22,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 22:11:22,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 22:11:22,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 22:11:22,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 22:11:22,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 22:11:22,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-02-15 22:11:22,240 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 22:11:22,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 22:11:22,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 22:11:22,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 22:11:22,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 22:11:22,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 22:11:22,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 22:11:22,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 22:11:22,242 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 22:11:22,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 22:11:22,243 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 22:11:22,243 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 22:11:22,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 22:11:22,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 22:11:22,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 22:11:22,243 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 22:11:22,243 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 22:11:22,244 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 22:11:22,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 22:11:22,244 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 22:11:22,244 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 22:11:22,244 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 22:11:22,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 22:11:22,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 22:11:22,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 22:11:22,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:11:22,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 22:11:22,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 22:11:22,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 22:11:22,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 22:11:22,245 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 22:11:22,246 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 22:11:22,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 22:11:22,246 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 22:11:22,246 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2023-02-15 22:11:22,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 22:11:22,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 22:11:22,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 22:11:22,490 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 22:11:22,491 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 22:11:22,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-02-15 22:11:23,462 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 22:11:23,642 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 22:11:23,642 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-02-15 22:11:23,654 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06088155e/1252cfd8151c46a095bb996eaf0fb3b3/FLAGf9112117b [2023-02-15 22:11:23,667 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06088155e/1252cfd8151c46a095bb996eaf0fb3b3 [2023-02-15 22:11:23,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 22:11:23,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 22:11:23,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 22:11:23,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 22:11:23,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 22:11:23,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:11:23" (1/1) ... [2023-02-15 22:11:23,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ded775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:23, skipping insertion in model container [2023-02-15 22:11:23,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:11:23" (1/1) ... [2023-02-15 22:11:23,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 22:11:23,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 22:11:23,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 22:11:23,961 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-02-15 22:11:23,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26151ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:23, skipping insertion in model container [2023-02-15 22:11:23,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 22:11:23,963 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 22:11:23,964 INFO L158 Benchmark]: Toolchain (without parser) took 294.28ms. Allocated memory is still 148.9MB. Free memory was 106.2MB in the beginning and 92.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-15 22:11:23,964 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:11:23,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.60ms. Allocated memory is still 148.9MB. Free memory was 106.2MB in the beginning and 92.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-15 22:11:23,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.60ms. Allocated memory is still 148.9MB. Free memory was 106.2MB in the beginning and 92.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. 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-?-e8d5503-m [2023-02-15 22:11:25,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 22:11:25,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 22:11:25,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 22:11:25,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 22:11:25,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 22:11:25,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 22:11:25,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 22:11:25,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 22:11:25,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 22:11:25,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 22:11:25,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 22:11:25,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 22:11:25,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 22:11:25,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 22:11:25,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 22:11:25,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 22:11:25,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 22:11:25,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 22:11:25,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 22:11:25,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 22:11:25,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 22:11:25,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 22:11:25,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 22:11:25,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 22:11:25,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 22:11:25,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 22:11:25,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 22:11:25,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 22:11:25,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 22:11:25,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 22:11:25,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 22:11:25,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 22:11:25,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 22:11:25,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 22:11:25,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 22:11:25,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 22:11:25,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 22:11:25,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 22:11:25,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 22:11:25,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 22:11:25,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-02-15 22:11:25,617 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 22:11:25,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 22:11:25,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 22:11:25,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 22:11:25,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 22:11:25,621 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 22:11:25,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 22:11:25,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 22:11:25,621 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 22:11:25,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 22:11:25,622 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 22:11:25,622 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 22:11:25,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 22:11:25,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 22:11:25,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 22:11:25,623 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 22:11:25,623 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 22:11:25,623 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 22:11:25,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 22:11:25,624 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 22:11:25,624 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-15 22:11:25,624 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-15 22:11:25,624 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 22:11:25,624 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 22:11:25,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 22:11:25,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 22:11:25,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 22:11:25,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:11:25,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 22:11:25,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 22:11:25,626 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-15 22:11:25,626 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-15 22:11:25,626 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 22:11:25,626 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 22:11:25,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 22:11:25,627 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-15 22:11:25,627 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 22:11:25,627 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa2b78c59a6ef1020e917d8e9f22559c73fded7539fba1972d62f2dc7aaeead [2023-02-15 22:11:25,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 22:11:25,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 22:11:25,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 22:11:25,894 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 22:11:25,894 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 22:11:25,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-02-15 22:11:26,877 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 22:11:27,117 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 22:11:27,117 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8_1.i [2023-02-15 22:11:27,130 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e39166687/782f1a0d25d647c599bc9bc03b240152/FLAGe8d3fbdfd [2023-02-15 22:11:27,142 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e39166687/782f1a0d25d647c599bc9bc03b240152 [2023-02-15 22:11:27,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 22:11:27,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 22:11:27,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 22:11:27,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 22:11:27,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 22:11:27,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3d0db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27, skipping insertion in model container [2023-02-15 22:11:27,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 22:11:27,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 22:11:27,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 22:11:27,476 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-02-15 22:11:27,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 22:11:27,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 22:11:27,517 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 22:11:27,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 22:11:27,589 INFO L208 MainTranslator]: Completed translation [2023-02-15 22:11:27,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27 WrapperNode [2023-02-15 22:11:27,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 22:11:27,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 22:11:27,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 22:11:27,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 22:11:27,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,622 INFO L138 Inliner]: procedures = 167, calls = 70, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 17 [2023-02-15 22:11:27,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 22:11:27,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 22:11:27,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 22:11:27,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 22:11:27,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,635 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 22:11:27,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 22:11:27,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 22:11:27,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 22:11:27,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (1/1) ... [2023-02-15 22:11:27,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:11:27,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 22:11:27,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 22:11:27,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 22:11:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-02-15 22:11:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-02-15 22:11:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-15 22:11:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 22:11:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-15 22:11:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 22:11:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 22:11:27,768 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 22:11:27,769 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 22:11:27,849 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 22:11:27,854 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 22:11:27,854 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-15 22:11:27,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:11:27 BoogieIcfgContainer [2023-02-15 22:11:27,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 22:11:27,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 22:11:27,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 22:11:27,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 22:11:27,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:11:27" (1/3) ... [2023-02-15 22:11:27,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f61260d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:11:27, skipping insertion in model container [2023-02-15 22:11:27,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:11:27" (2/3) ... [2023-02-15 22:11:27,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f61260d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:11:27, skipping insertion in model container [2023-02-15 22:11:27,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:11:27" (3/3) ... [2023-02-15 22:11:27,879 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1.i [2023-02-15 22:11:27,893 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 22:11:27,893 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 22:11:27,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 22:11:27,939 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@22473743, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 22:11:27,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 22:11:27,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 22:11:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 22:11:27,949 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 22:11:27,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 22:11:27,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-15 22:11:27,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 22:11:27,953 INFO L85 PathProgramCache]: Analyzing trace with hash -792258202, now seen corresponding path program 1 times [2023-02-15 22:11:27,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-15 22:11:27,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93565794] [2023-02-15 22:11:27,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 22:11:27,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-15 22:11:27,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-15 22:11:27,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-15 22:11:27,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-02-15 22:11:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 22:11:28,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 22:11:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 22:11:28,056 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-15 22:11:28,057 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 22:11:28,058 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2023-02-15 22:11:28,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-02-15 22:11:28,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-15 22:11:28,273 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-15 22:11:28,279 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 22:11:28,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:11:28 BoogieIcfgContainer [2023-02-15 22:11:28,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 22:11:28,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 22:11:28,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 22:11:28,298 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 22:11:28,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:11:27" (3/4) ... [2023-02-15 22:11:28,302 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 22:11:28,302 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 22:11:28,303 INFO L158 Benchmark]: Toolchain (without parser) took 1158.46ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 51.5MB in the end (delta: 8.1MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-02-15 22:11:28,306 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:11:28,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.73ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 54.1MB in the end (delta: 5.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-02-15 22:11:28,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.81ms. Allocated memory is still 83.9MB. Free memory was 54.1MB in the beginning and 52.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-15 22:11:28,308 INFO L158 Benchmark]: Boogie Preprocessor took 14.15ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 50.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:11:28,308 INFO L158 Benchmark]: RCFGBuilder took 221.20ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 40.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 22:11:28,309 INFO L158 Benchmark]: TraceAbstraction took 436.41ms. Allocated memory is still 83.9MB. Free memory was 39.4MB in the beginning and 52.0MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:11:28,310 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 51.5MB in the end (delta: 409.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:11:28,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.73ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 54.1MB in the end (delta: 5.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.81ms. Allocated memory is still 83.9MB. Free memory was 54.1MB in the beginning and 52.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.15ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 50.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 221.20ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 40.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 436.41ms. Allocated memory is still 83.9MB. Free memory was 39.4MB in the beginning and 52.0MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 51.5MB in the end (delta: 409.9kB). 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-02-15 22:11:28,331 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