./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.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_test16_2.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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 06:11:03,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 06:11:03,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 06:11:03,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 06:11:03,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 06:11:03,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 06:11:03,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 06:11:03,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 06:11:03,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 06:11:03,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 06:11:03,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 06:11:03,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 06:11:03,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 06:11:03,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 06:11:03,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 06:11:03,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 06:11:03,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 06:11:03,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 06:11:03,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 06:11:03,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 06:11:03,155 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 06:11:03,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 06:11:03,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 06:11:03,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 06:11:03,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 06:11:03,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 06:11:03,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 06:11:03,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 06:11:03,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 06:11:03,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 06:11:03,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 06:11:03,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 06:11:03,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 06:11:03,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 06:11:03,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 06:11:03,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 06:11:03,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 06:11:03,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 06:11:03,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 06:11:03,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 06:11:03,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 06:11:03,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 06:11:03,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-23 06:11:03,210 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 06:11:03,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 06:11:03,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 06:11:03,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 06:11:03,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 06:11:03,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 06:11:03,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 06:11:03,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 06:11:03,215 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 06:11:03,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 06:11:03,217 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 06:11:03,217 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 06:11:03,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 06:11:03,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 06:11:03,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 06:11:03,218 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-23 06:11:03,218 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-23 06:11:03,218 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-23 06:11:03,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 06:11:03,218 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 06:11:03,218 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 06:11:03,219 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 06:11:03,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 06:11:03,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 06:11:03,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 06:11:03,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 06:11:03,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 06:11:03,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 06:11:03,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 06:11:03,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 06:11:03,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2022-07-23 06:11:03,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 06:11:03,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 06:11:03,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 06:11:03,497 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 06:11:03,497 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 06:11:03,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2022-07-23 06:11:03,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6646b7032/5ad4efa76ee04efe8849edd66840dbc6/FLAGcfc70c25f [2022-07-23 06:11:04,097 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 06:11:04,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2022-07-23 06:11:04,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6646b7032/5ad4efa76ee04efe8849edd66840dbc6/FLAGcfc70c25f [2022-07-23 06:11:04,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6646b7032/5ad4efa76ee04efe8849edd66840dbc6 [2022-07-23 06:11:04,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 06:11:04,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 06:11:04,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 06:11:04,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 06:11:04,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 06:11:04,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:11:04" (1/1) ... [2022-07-23 06:11:04,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325185cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:04, skipping insertion in model container [2022-07-23 06:11:04,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:11:04" (1/1) ... [2022-07-23 06:11:04,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 06:11:04,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 06:11:04,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:11:04,851 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 06:11:04,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ae9aa7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:04, skipping insertion in model container [2022-07-23 06:11:04,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 06:11:04,854 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-23 06:11:04,857 INFO L158 Benchmark]: Toolchain (without parser) took 438.89ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 41.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 06:11:04,857 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:11:04,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.56ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 41.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 06:11:04,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.56ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 41.2MB in the end (delta: 13.1MB). 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_test16_2.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 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 06:11:06,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 06:11:06,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 06:11:06,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 06:11:06,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 06:11:06,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 06:11:06,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 06:11:06,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 06:11:06,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 06:11:06,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 06:11:06,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 06:11:06,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 06:11:06,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 06:11:06,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 06:11:06,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 06:11:06,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 06:11:06,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 06:11:06,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 06:11:06,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 06:11:06,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 06:11:06,727 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 06:11:06,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 06:11:06,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 06:11:06,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 06:11:06,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 06:11:06,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 06:11:06,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 06:11:06,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 06:11:06,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 06:11:06,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 06:11:06,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 06:11:06,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 06:11:06,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 06:11:06,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 06:11:06,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 06:11:06,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 06:11:06,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 06:11:06,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 06:11:06,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 06:11:06,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 06:11:06,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 06:11:06,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 06:11:06,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-23 06:11:06,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 06:11:06,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 06:11:06,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 06:11:06,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 06:11:06,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 06:11:06,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 06:11:06,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 06:11:06,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 06:11:06,787 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 06:11:06,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 06:11:06,788 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 06:11:06,788 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 06:11:06,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 06:11:06,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 06:11:06,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 06:11:06,789 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-23 06:11:06,789 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-23 06:11:06,789 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-23 06:11:06,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 06:11:06,789 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 06:11:06,790 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 06:11:06,790 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 06:11:06,790 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 06:11:06,790 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 06:11:06,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 06:11:06,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 06:11:06,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 06:11:06,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 06:11:06,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 06:11:06,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 06:11:06,792 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 06:11:06,792 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 06:11:06,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 06:11:06,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2022-07-23 06:11:07,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 06:11:07,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 06:11:07,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 06:11:07,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 06:11:07,132 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 06:11:07,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2022-07-23 06:11:07,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8c62f85/2b3a894e92b8475485ded8f0ef9eb688/FLAGf6980ca47 [2022-07-23 06:11:07,670 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 06:11:07,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2022-07-23 06:11:07,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8c62f85/2b3a894e92b8475485ded8f0ef9eb688/FLAGf6980ca47 [2022-07-23 06:11:08,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8c62f85/2b3a894e92b8475485ded8f0ef9eb688 [2022-07-23 06:11:08,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 06:11:08,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 06:11:08,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 06:11:08,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 06:11:08,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 06:11:08,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fc0292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08, skipping insertion in model container [2022-07-23 06:11:08,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 06:11:08,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 06:11:08,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:11:08,451 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 06:11:08,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 06:11:08,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:11:08,526 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 06:11:08,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 06:11:08,616 INFO L208 MainTranslator]: Completed translation [2022-07-23 06:11:08,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08 WrapperNode [2022-07-23 06:11:08,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 06:11:08,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 06:11:08,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 06:11:08,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 06:11:08,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,683 INFO L137 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 25 [2022-07-23 06:11:08,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 06:11:08,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 06:11:08,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 06:11:08,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 06:11:08,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 06:11:08,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 06:11:08,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 06:11:08,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 06:11:08,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (1/1) ... [2022-07-23 06:11:08,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 06:11:08,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 06:11:08,777 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 06:11:08,784 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 06:11:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 06:11:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 06:11:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 06:11:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 06:11:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 06:11:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 06:11:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 06:11:08,953 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 06:11:08,955 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 06:11:09,108 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 06:11:09,113 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 06:11:09,113 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 06:11:09,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:11:09 BoogieIcfgContainer [2022-07-23 06:11:09,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 06:11:09,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 06:11:09,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 06:11:09,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 06:11:09,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:11:08" (1/3) ... [2022-07-23 06:11:09,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0eed6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:11:09, skipping insertion in model container [2022-07-23 06:11:09,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:11:08" (2/3) ... [2022-07-23 06:11:09,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0eed6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:11:09, skipping insertion in model container [2022-07-23 06:11:09,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:11:09" (3/3) ... [2022-07-23 06:11:09,126 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2022-07-23 06:11:09,139 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 06:11:09,140 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 06:11:09,186 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 06:11:09,195 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@6062053d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@306aab71 [2022-07-23 06:11:09,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 06:11:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 06:11:09,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-23 06:11:09,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 06:11:09,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-23 06:11:09,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-07-23 06:11:09,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 06:11:09,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1067130567, now seen corresponding path program 1 times [2022-07-23 06:11:09,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 06:11:09,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320899225] [2022-07-23 06:11:09,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 06:11:09,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 06:11:09,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 06:11:09,243 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 06:11:09,255 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 06:11:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 06:11:09,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 06:11:09,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 06:11:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 06:11:09,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 06:11:09,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 06:11:09,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320899225] [2022-07-23 06:11:09,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320899225] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 06:11:09,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 06:11:09,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 06:11:09,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298280640] [2022-07-23 06:11:09,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 06:11:09,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 06:11:09,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 06:11:09,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 06:11:09,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 06:11:09,423 INFO L87 Difference]: Start difference. First operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 06:11:09,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 06:11:09,458 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-07-23 06:11:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 06:11:09,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-07-23 06:11:09,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 06:11:09,466 INFO L225 Difference]: With dead ends: 18 [2022-07-23 06:11:09,467 INFO L226 Difference]: Without dead ends: 13 [2022-07-23 06:11:09,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 06:11:09,471 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 06:11:09,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 06:11:09,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-07-23 06:11:09,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-07-23 06:11:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 06:11:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-07-23 06:11:09,497 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 6 [2022-07-23 06:11:09,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 06:11:09,497 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-07-23 06:11:09,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 06:11:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-07-23 06:11:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-23 06:11:09,498 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 06:11:09,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 06:11:09,510 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 06:11:09,707 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 06:11:09,708 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-07-23 06:11:09,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 06:11:09,709 INFO L85 PathProgramCache]: Analyzing trace with hash -771349331, now seen corresponding path program 1 times [2022-07-23 06:11:09,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 06:11:09,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333967926] [2022-07-23 06:11:09,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 06:11:09,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 06:11:09,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 06:11:09,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 06:11:09,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 06:11:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 06:11:09,760 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 06:11:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 06:11:09,799 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-23 06:11:09,800 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-23 06:11:09,801 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-07-23 06:11:09,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 06:11:10,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 06:11:10,017 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-23 06:11:10,020 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-23 06:11:10,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:11:10 BoogieIcfgContainer [2022-07-23 06:11:10,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-23 06:11:10,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 06:11:10,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 06:11:10,038 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 06:11:10,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:11:09" (3/4) ... [2022-07-23 06:11:10,041 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 06:11:10,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 06:11:10,042 INFO L158 Benchmark]: Toolchain (without parser) took 2013.77ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 32.3MB in the beginning and 31.9MB in the end (delta: 328.7kB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-07-23 06:11:10,042 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:11:10,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.51ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 32.1MB in the beginning and 36.0MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 06:11:10,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.43ms. Allocated memory is still 69.2MB. Free memory was 35.8MB in the beginning and 51.3MB in the end (delta: -15.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-07-23 06:11:10,043 INFO L158 Benchmark]: Boogie Preprocessor took 52.52ms. Allocated memory is still 69.2MB. Free memory was 51.3MB in the beginning and 50.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 06:11:10,044 INFO L158 Benchmark]: RCFGBuilder took 378.64ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 40.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 06:11:10,044 INFO L158 Benchmark]: TraceAbstraction took 919.17ms. Allocated memory is still 69.2MB. Free memory was 39.7MB in the beginning and 32.3MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-07-23 06:11:10,045 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 69.2MB. Free memory was 32.3MB in the beginning and 31.9MB in the end (delta: 345.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 06:11:10,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.51ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 32.1MB in the beginning and 36.0MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.43ms. Allocated memory is still 69.2MB. Free memory was 35.8MB in the beginning and 51.3MB in the end (delta: -15.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.52ms. Allocated memory is still 69.2MB. Free memory was 51.3MB in the beginning and 50.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.64ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 40.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 919.17ms. Allocated memory is still 69.2MB. Free memory was 39.7MB in the beginning and 32.3MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 69.2MB. Free memory was 32.3MB in the beginning and 31.9MB in the end (delta: 345.4kB). 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: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={1:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A16))={2:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=2147483648, \result={2:0}, condition=2147483648, ldv_global_msg_list={1:0}, p={2:0}] [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 15 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 06:11:10,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample