./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6c24879c 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_test9_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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 18:58:33,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 18:58:33,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 18:58:33,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 18:58:33,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 18:58:33,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 18:58:33,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 18:58:33,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 18:58:33,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 18:58:33,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 18:58:33,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 18:58:33,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 18:58:33,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 18:58:33,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 18:58:33,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 18:58:33,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 18:58:33,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 18:58:33,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 18:58:33,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 18:58:33,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 18:58:33,106 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 18:58:33,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 18:58:33,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 18:58:33,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 18:58:33,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 18:58:33,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 18:58:33,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 18:58:33,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 18:58:33,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 18:58:33,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 18:58:33,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 18:58:33,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 18:58:33,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 18:58:33,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 18:58:33,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 18:58:33,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 18:58:33,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 18:58:33,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 18:58:33,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 18:58:33,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 18:58:33,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 18:58:33,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 18:58:33,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-12 18:58:33,156 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 18:58:33,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 18:58:33,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 18:58:33,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 18:58:33,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 18:58:33,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 18:58:33,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 18:58:33,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 18:58:33,159 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 18:58:33,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 18:58:33,160 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 18:58:33,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-12 18:58:33,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 18:58:33,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 18:58:33,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 18:58:33,161 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-12 18:58:33,162 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-12 18:58:33,162 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-12 18:58:33,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 18:58:33,163 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 18:58:33,164 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 18:58:33,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 18:58:33,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 18:58:33,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 18:58:33,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 18:58:33,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 18:58:33,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 18:58:33,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 18:58:33,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 18:58:33,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 18:58:33,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2022-07-12 18:58:33,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 18:58:33,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 18:58:33,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 18:58:33,426 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 18:58:33,426 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 18:58:33,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-07-12 18:58:33,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9c5bf46/cb3d87dfd601454181921979c151f543/FLAGed5212d26 [2022-07-12 18:58:33,963 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 18:58:33,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-07-12 18:58:33,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9c5bf46/cb3d87dfd601454181921979c151f543/FLAGed5212d26 [2022-07-12 18:58:34,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9c5bf46/cb3d87dfd601454181921979c151f543 [2022-07-12 18:58:34,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 18:58:34,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 18:58:34,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 18:58:34,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 18:58:34,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 18:58:34,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:58:34" (1/1) ... [2022-07-12 18:58:34,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@254360ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:34, skipping insertion in model container [2022-07-12 18:58:34,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:58:34" (1/1) ... [2022-07-12 18:58:34,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 18:58:34,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 18:58:34,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 18:58:34,971 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) [2022-07-12 18:58:34,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53634159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:34, skipping insertion in model container [2022-07-12 18:58:34,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 18:58:34,973 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-12 18:58:34,975 INFO L158 Benchmark]: Toolchain (without parser) took 471.93ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 62.6MB in the beginning and 90.5MB in the end (delta: -27.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 18:58:34,976 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 52.4MB in the beginning and 52.4MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 18:58:34,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.92ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 62.4MB in the beginning and 90.5MB in the end (delta: -28.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 18:58:34,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 52.4MB in the beginning and 52.4MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.92ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 62.4MB in the beginning and 90.5MB in the end (delta: -28.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types 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_test9_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 b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 18:58:36,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 18:58:36,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 18:58:36,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 18:58:36,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 18:58:36,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 18:58:36,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 18:58:36,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 18:58:36,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 18:58:36,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 18:58:36,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 18:58:36,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 18:58:36,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 18:58:36,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 18:58:36,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 18:58:36,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 18:58:36,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 18:58:36,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 18:58:36,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 18:58:36,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 18:58:36,794 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 18:58:36,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 18:58:36,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 18:58:36,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 18:58:36,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 18:58:36,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 18:58:36,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 18:58:36,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 18:58:36,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 18:58:36,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 18:58:36,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 18:58:36,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 18:58:36,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 18:58:36,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 18:58:36,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 18:58:36,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 18:58:36,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 18:58:36,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 18:58:36,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 18:58:36,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 18:58:36,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 18:58:36,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 18:58:36,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-12 18:58:36,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 18:58:36,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 18:58:36,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 18:58:36,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 18:58:36,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 18:58:36,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 18:58:36,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 18:58:36,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 18:58:36,852 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 18:58:36,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 18:58:36,853 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 18:58:36,853 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-12 18:58:36,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 18:58:36,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 18:58:36,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 18:58:36,854 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-12 18:58:36,854 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-12 18:58:36,854 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-12 18:58:36,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 18:58:36,855 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 18:58:36,855 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 18:58:36,855 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 18:58:36,855 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 18:58:36,855 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 18:58:36,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 18:58:36,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 18:58:36,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 18:58:36,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 18:58:36,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 18:58:36,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 18:58:36,857 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 18:58:36,857 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 18:58:36,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 18:58:36,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2022-07-12 18:58:37,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 18:58:37,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 18:58:37,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 18:58:37,171 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 18:58:37,172 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 18:58:37,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-07-12 18:58:37,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb6ddefe/4cac3f221a0a4069b0b557a00070eadd/FLAG3ec06bace [2022-07-12 18:58:37,727 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 18:58:37,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2022-07-12 18:58:37,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb6ddefe/4cac3f221a0a4069b0b557a00070eadd/FLAG3ec06bace [2022-07-12 18:58:38,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb6ddefe/4cac3f221a0a4069b0b557a00070eadd [2022-07-12 18:58:38,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 18:58:38,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 18:58:38,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 18:58:38,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 18:58:38,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 18:58:38,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ad5353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38, skipping insertion in model container [2022-07-12 18:58:38,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 18:58:38,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 18:58:38,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 18:58:38,731 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 18:58:38,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 18:58:38,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 18:58:38,810 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 18:58:38,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 18:58:38,893 INFO L208 MainTranslator]: Completed translation [2022-07-12 18:58:38,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38 WrapperNode [2022-07-12 18:58:38,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 18:58:38,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 18:58:38,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 18:58:38,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 18:58:38,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,936 INFO L137 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 23 [2022-07-12 18:58:38,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 18:58:38,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 18:58:38,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 18:58:38,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 18:58:38,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 18:58:38,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 18:58:38,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 18:58:38,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 18:58:38,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (1/1) ... [2022-07-12 18:58:38,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 18:58:39,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 18:58:39,040 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) [2022-07-12 18:58:39,055 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 [2022-07-12 18:58:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 18:58:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 18:58:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 18:58:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 18:58:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 18:58:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 18:58:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 18:58:39,175 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 18:58:39,176 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 18:58:39,297 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 18:58:39,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 18:58:39,337 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 18:58:39,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:58:39 BoogieIcfgContainer [2022-07-12 18:58:39,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 18:58:39,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 18:58:39,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 18:58:39,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 18:58:39,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:58:38" (1/3) ... [2022-07-12 18:58:39,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269928b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:58:39, skipping insertion in model container [2022-07-12 18:58:39,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:58:38" (2/3) ... [2022-07-12 18:58:39,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269928b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:58:39, skipping insertion in model container [2022-07-12 18:58:39,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:58:39" (3/3) ... [2022-07-12 18:58:39,344 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2022-07-12 18:58:39,370 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 18:58:39,371 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 18:58:39,429 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 18:58:39,434 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@368b0cad, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@55648c48 [2022-07-12 18:58:39,434 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 18:58:39,444 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) [2022-07-12 18:58:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 18:58:39,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 18:58:39,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 18:58:39,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-07-12 18:58:39,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 18:58:39,458 INFO L85 PathProgramCache]: Analyzing trace with hash 370410532, now seen corresponding path program 1 times [2022-07-12 18:58:39,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 18:58:39,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536106967] [2022-07-12 18:58:39,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 18:58:39,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 18:58:39,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 18:58:39,477 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) [2022-07-12 18:58:39,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 18:58:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 18:58:39,575 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 18:58:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 18:58:39,634 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-12 18:58:39,638 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 18:58:39,639 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-07-12 18:58:39,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 18:58:39,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 18:58:39,854 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-12 18:58:39,856 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 18:58:39,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:58:39 BoogieIcfgContainer [2022-07-12 18:58:39,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 18:58:39,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 18:58:39,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 18:58:39,873 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 18:58:39,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:58:39" (3/4) ... [2022-07-12 18:58:39,876 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 18:58:39,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 18:58:39,877 INFO L158 Benchmark]: Toolchain (without parser) took 1613.56ms. Allocated memory is still 60.8MB. Free memory was 45.0MB in the beginning and 28.5MB in the end (delta: 16.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-07-12 18:58:39,877 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory was 32.0MB in the beginning and 32.0MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 18:58:39,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.10ms. Allocated memory is still 60.8MB. Free memory was 44.8MB in the beginning and 38.4MB in the end (delta: 6.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-07-12 18:58:39,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.96ms. Allocated memory is still 60.8MB. Free memory was 38.4MB in the beginning and 36.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 18:58:39,879 INFO L158 Benchmark]: Boogie Preprocessor took 24.24ms. Allocated memory is still 60.8MB. Free memory was 36.1MB in the beginning and 35.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 18:58:39,879 INFO L158 Benchmark]: RCFGBuilder took 372.11ms. Allocated memory is still 60.8MB. Free memory was 34.8MB in the beginning and 42.5MB in the end (delta: -7.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-07-12 18:58:39,880 INFO L158 Benchmark]: TraceAbstraction took 532.50ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 28.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-12 18:58:39,880 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 60.8MB. Free memory was 28.8MB in the beginning and 28.5MB in the end (delta: 344.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 18:58:39,883 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 50.3MB. Free memory was 32.0MB in the beginning and 32.0MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.10ms. Allocated memory is still 60.8MB. Free memory was 44.8MB in the beginning and 38.4MB in the end (delta: 6.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.96ms. Allocated memory is still 60.8MB. Free memory was 38.4MB in the beginning and 36.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.24ms. Allocated memory is still 60.8MB. Free memory was 36.1MB in the beginning and 35.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.11ms. Allocated memory is still 60.8MB. Free memory was 34.8MB in the beginning and 42.5MB in the end (delta: -7.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 532.50ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 28.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 60.8MB. Free memory was 28.8MB in the beginning and 28.5MB in the end (delta: 344.1kB). 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: 769]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 769. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L770] CALL entry_point() [L766] CALL probe_9() [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a9={0:0}, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [a9={0:0}, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; VAL [\result=0, a9={2:0}, ldv_global_msg_list={1:0}] [L766] RET probe_9() [L767] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={1:0}] [L770] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-12 18:58:39,924 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