./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 35987657 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-?-3598765 [2022-07-21 17:24:42,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 17:24:42,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 17:24:42,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 17:24:42,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 17:24:42,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 17:24:42,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 17:24:42,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 17:24:42,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 17:24:42,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 17:24:42,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 17:24:42,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 17:24:42,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 17:24:42,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 17:24:42,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 17:24:42,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 17:24:42,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 17:24:42,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 17:24:42,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 17:24:42,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 17:24:42,700 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 17:24:42,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 17:24:42,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 17:24:42,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 17:24:42,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 17:24:42,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 17:24:42,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 17:24:42,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 17:24:42,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 17:24:42,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 17:24:42,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 17:24:42,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 17:24:42,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 17:24:42,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 17:24:42,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 17:24:42,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 17:24:42,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 17:24:42,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 17:24:42,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 17:24:42,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 17:24:42,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 17:24:42,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 17:24:42,725 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-21 17:24:42,756 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 17:24:42,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 17:24:42,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 17:24:42,757 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 17:24:42,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 17:24:42,758 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 17:24:42,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 17:24:42,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 17:24:42,759 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 17:24:42,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 17:24:42,760 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 17:24:42,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 17:24:42,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 17:24:42,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 17:24:42,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 17:24:42,761 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 17:24:42,761 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 17:24:42,761 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 17:24:42,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 17:24:42,762 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 17:24:42,762 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 17:24:42,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 17:24:42,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 17:24:42,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 17:24:42,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 17:24:42,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 17:24:42,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 17:24:42,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 17:24:42,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 17:24:42,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 17:24:42,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2022-07-21 17:24:43,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 17:24:43,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 17:24:43,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 17:24:43,101 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 17:24:43,103 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 17:24:43,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2022-07-21 17:24:43,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17fa36c5/47a190e1932e4f688e0e888fa1b5df30/FLAG610b64735 [2022-07-21 17:24:43,675 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 17:24:43,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2022-07-21 17:24:43,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17fa36c5/47a190e1932e4f688e0e888fa1b5df30/FLAG610b64735 [2022-07-21 17:24:43,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17fa36c5/47a190e1932e4f688e0e888fa1b5df30 [2022-07-21 17:24:43,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 17:24:43,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 17:24:43,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 17:24:43,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 17:24:43,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 17:24:43,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:24:43" (1/1) ... [2022-07-21 17:24:43,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9ea1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:43, skipping insertion in model container [2022-07-21 17:24:43,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:24:43" (1/1) ... [2022-07-21 17:24:43,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 17:24:44,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 17:24:44,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 17:24:44,374 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) [2022-07-21 17:24:44,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f1c3cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:44, skipping insertion in model container [2022-07-21 17:24:44,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 17:24:44,377 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 17:24:44,378 INFO L158 Benchmark]: Toolchain (without parser) took 401.64ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 42.7MB in the end (delta: -1.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 17:24:44,379 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 62.9MB. Free memory was 44.5MB in the beginning and 44.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 17:24:44,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.48ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 42.7MB in the end (delta: -1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 17:24:44,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 62.9MB. Free memory was 44.5MB in the beginning and 44.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.48ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 42.7MB in the end (delta: -1.2MB). Peak memory consumption was 10.5MB. 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-?-3598765 [2022-07-21 17:24:46,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 17:24:46,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 17:24:46,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 17:24:46,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 17:24:46,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 17:24:46,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 17:24:46,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 17:24:46,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 17:24:46,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 17:24:46,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 17:24:46,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 17:24:46,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 17:24:46,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 17:24:46,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 17:24:46,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 17:24:46,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 17:24:46,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 17:24:46,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 17:24:46,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 17:24:46,120 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 17:24:46,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 17:24:46,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 17:24:46,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 17:24:46,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 17:24:46,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 17:24:46,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 17:24:46,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 17:24:46,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 17:24:46,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 17:24:46,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 17:24:46,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 17:24:46,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 17:24:46,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 17:24:46,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 17:24:46,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 17:24:46,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 17:24:46,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 17:24:46,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 17:24:46,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 17:24:46,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 17:24:46,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 17:24:46,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-21 17:24:46,177 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 17:24:46,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 17:24:46,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 17:24:46,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 17:24:46,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 17:24:46,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 17:24:46,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 17:24:46,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 17:24:46,180 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 17:24:46,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 17:24:46,181 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 17:24:46,181 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 17:24:46,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 17:24:46,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 17:24:46,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 17:24:46,188 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 17:24:46,188 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 17:24:46,188 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 17:24:46,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 17:24:46,188 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 17:24:46,189 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 17:24:46,189 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 17:24:46,189 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 17:24:46,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 17:24:46,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 17:24:46,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 17:24:46,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 17:24:46,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 17:24:46,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 17:24:46,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 17:24:46,191 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 17:24:46,191 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 17:24:46,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 17:24:46,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2022-07-21 17:24:46,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 17:24:46,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 17:24:46,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 17:24:46,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 17:24:46,522 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 17:24:46,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2022-07-21 17:24:46,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9a00364/cae86859c0fe4aeab82aa9177a41e07c/FLAG34c151379 [2022-07-21 17:24:47,079 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 17:24:47,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2022-07-21 17:24:47,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9a00364/cae86859c0fe4aeab82aa9177a41e07c/FLAG34c151379 [2022-07-21 17:24:47,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9a00364/cae86859c0fe4aeab82aa9177a41e07c [2022-07-21 17:24:47,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 17:24:47,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 17:24:47,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 17:24:47,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 17:24:47,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 17:24:47,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:24:47" (1/1) ... [2022-07-21 17:24:47,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a65d10f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:47, skipping insertion in model container [2022-07-21 17:24:47,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:24:47" (1/1) ... [2022-07-21 17:24:47,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 17:24:47,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 17:24:48,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 17:24:48,057 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 17:24:48,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 17:24:48,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 17:24:48,139 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 17:24:48,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 17:24:48,220 INFO L208 MainTranslator]: Completed translation [2022-07-21 17:24:48,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48 WrapperNode [2022-07-21 17:24:48,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 17:24:48,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 17:24:48,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 17:24:48,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 17:24:48,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (1/1) ... [2022-07-21 17:24:48,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (1/1) ... [2022-07-21 17:24:48,280 INFO L137 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 25 [2022-07-21 17:24:48,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 17:24:48,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 17:24:48,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 17:24:48,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 17:24:48,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (1/1) ... [2022-07-21 17:24:48,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (1/1) ... [2022-07-21 17:24:48,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (1/1) ... [2022-07-21 17:24:48,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (1/1) ... [2022-07-21 17:24:48,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (1/1) ... [2022-07-21 17:24:48,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (1/1) ... [2022-07-21 17:24:48,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (1/1) ... [2022-07-21 17:24:48,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 17:24:48,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 17:24:48,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 17:24:48,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 17:24:48,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (1/1) ... [2022-07-21 17:24:48,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 17:24:48,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 17:24:48,365 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) [2022-07-21 17:24:48,372 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 [2022-07-21 17:24:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 17:24:48,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 17:24:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 17:24:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 17:24:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 17:24:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 17:24:48,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 17:24:48,495 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 17:24:48,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 17:24:48,585 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 17:24:48,589 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 17:24:48,590 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 17:24:48,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:24:48 BoogieIcfgContainer [2022-07-21 17:24:48,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 17:24:48,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 17:24:48,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 17:24:48,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 17:24:48,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:24:47" (1/3) ... [2022-07-21 17:24:48,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f304748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:24:48, skipping insertion in model container [2022-07-21 17:24:48,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:24:48" (2/3) ... [2022-07-21 17:24:48,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f304748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:24:48, skipping insertion in model container [2022-07-21 17:24:48,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:24:48" (3/3) ... [2022-07-21 17:24:48,599 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2022-07-21 17:24:48,612 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 17:24:48,613 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 17:24:48,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 17:24:48,676 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@1eeefb0b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@37e03916 [2022-07-21 17:24:48,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 17:24:48,688 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) [2022-07-21 17:24:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-21 17:24:48,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:24:48,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-21 17:24:48,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-07-21 17:24:48,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:24:48,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1067130567, now seen corresponding path program 1 times [2022-07-21 17:24:48,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:24:48,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83713706] [2022-07-21 17:24:48,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:24:48,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:24:48,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:24:48,742 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) [2022-07-21 17:24:48,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 17:24:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:24:48,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 17:24:48,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:24:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:24:48,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:24:48,904 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:24:48,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83713706] [2022-07-21 17:24:48,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83713706] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:24:48,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:24:48,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 17:24:48,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296109299] [2022-07-21 17:24:48,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:24:48,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 17:24:48,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:24:48,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 17:24:48,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 17:24:48,943 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) [2022-07-21 17:24:48,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:24:48,977 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-07-21 17:24:48,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 17:24:48,980 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 [2022-07-21 17:24:48,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:24:48,985 INFO L225 Difference]: With dead ends: 18 [2022-07-21 17:24:48,985 INFO L226 Difference]: Without dead ends: 13 [2022-07-21 17:24:48,990 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 [2022-07-21 17:24:48,998 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 [2022-07-21 17:24:49,000 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] [2022-07-21 17:24:49,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-07-21 17:24:49,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-07-21 17:24:49,025 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) [2022-07-21 17:24:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-07-21 17:24:49,027 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 6 [2022-07-21 17:24:49,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:24:49,028 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-07-21 17:24:49,028 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) [2022-07-21 17:24:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-07-21 17:24:49,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-21 17:24:49,029 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:24:49,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:24:49,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 17:24:49,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:24:49,242 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-07-21 17:24:49,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:24:49,243 INFO L85 PathProgramCache]: Analyzing trace with hash -771349331, now seen corresponding path program 1 times [2022-07-21 17:24:49,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:24:49,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754445828] [2022-07-21 17:24:49,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:24:49,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:24:49,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:24:49,246 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) [2022-07-21 17:24:49,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 17:24:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 17:24:49,312 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 17:24:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 17:24:49,350 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-21 17:24:49,350 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 17:24:49,352 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-07-21 17:24:49,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 17:24:49,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:24:49,566 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-21 17:24:49,570 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 17:24:49,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:24:49 BoogieIcfgContainer [2022-07-21 17:24:49,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 17:24:49,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 17:24:49,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 17:24:49,596 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 17:24:49,597 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:24:48" (3/4) ... [2022-07-21 17:24:49,599 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 17:24:49,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 17:24:49,600 INFO L158 Benchmark]: Toolchain (without parser) took 2033.06ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 33.3MB in the beginning and 31.1MB in the end (delta: 2.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-07-21 17:24:49,600 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 44.0MB. Free memory was 26.1MB in the beginning and 26.1MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 17:24:49,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.69ms. Allocated memory is still 54.5MB. Free memory was 33.1MB in the beginning and 30.5MB in the end (delta: 2.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-07-21 17:24:49,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.26ms. Allocated memory is still 54.5MB. Free memory was 30.3MB in the beginning and 28.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 17:24:49,601 INFO L158 Benchmark]: Boogie Preprocessor took 43.78ms. Allocated memory is still 54.5MB. Free memory was 28.3MB in the beginning and 26.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 17:24:49,602 INFO L158 Benchmark]: RCFGBuilder took 265.64ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 26.9MB in the beginning and 40.8MB in the end (delta: -13.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-07-21 17:24:49,602 INFO L158 Benchmark]: TraceAbstraction took 1002.01ms. Allocated memory is still 67.1MB. Free memory was 40.5MB in the beginning and 31.6MB in the end (delta: 8.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-07-21 17:24:49,603 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 67.1MB. Free memory was 31.3MB in the beginning and 31.1MB in the end (delta: 294.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 17:24:49,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 44.0MB. Free memory was 26.1MB in the beginning and 26.1MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.69ms. Allocated memory is still 54.5MB. Free memory was 33.1MB in the beginning and 30.5MB in the end (delta: 2.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.26ms. Allocated memory is still 54.5MB. Free memory was 30.3MB in the beginning and 28.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.78ms. Allocated memory is still 54.5MB. Free memory was 28.3MB in the beginning and 26.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 265.64ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 26.9MB in the beginning and 40.8MB in the end (delta: -13.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1002.01ms. Allocated memory is still 67.1MB. Free memory was 40.5MB in the beginning and 31.6MB in the end (delta: 8.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 67.1MB. Free memory was 31.3MB in the beginning and 31.1MB in the end (delta: 294.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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: 0.9s, 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, 0.1s 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 [2022-07-21 17:24:49,668 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