./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 05:59:21,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:59:21,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:59:21,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:59:21,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:59:21,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:59:21,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:59:21,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:59:21,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:59:21,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:59:21,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:59:21,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:59:21,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:59:21,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:59:21,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:59:21,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:59:21,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:59:21,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:59:21,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:59:21,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:59:21,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:59:21,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:59:21,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:59:21,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:59:21,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:59:21,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:59:21,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:59:21,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:59:21,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:59:21,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:59:21,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:59:21,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:59:21,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:59:21,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:59:21,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:59:21,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:59:21,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:59:21,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:59:21,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:59:21,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:59:21,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:59:21,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-16 05:59:21,099 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:59:21,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:59:21,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:59:21,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:59:21,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:59:21,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:59:21,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:59:21,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:59:21,108 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:59:21,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:59:21,109 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 05:59:21,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 05:59:21,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:59:21,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 05:59:21,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:59:21,109 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-16 05:59:21,110 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-16 05:59:21,110 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-16 05:59:21,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:59:21,110 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-16 05:59:21,110 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 05:59:21,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:59:21,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:59:21,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:59:21,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:59:21,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:59:21,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:59:21,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:59:21,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:59:21,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:59:21,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:59:21,112 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2021-12-16 05:59:21,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:59:21,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:59:21,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:59:21,338 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:59:21,340 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:59:21,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-12-16 05:59:21,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/090add60d/0c36e0e7ced446d982fa5452f776b86b/FLAG8a175e2d1 [2021-12-16 05:59:21,901 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:59:21,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-12-16 05:59:21,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/090add60d/0c36e0e7ced446d982fa5452f776b86b/FLAG8a175e2d1 [2021-12-16 05:59:22,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/090add60d/0c36e0e7ced446d982fa5452f776b86b [2021-12-16 05:59:22,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:59:22,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:59:22,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:59:22,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:59:22,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:59:22,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:59:22" (1/1) ... [2021-12-16 05:59:22,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0817b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:22, skipping insertion in model container [2021-12-16 05:59:22,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:59:22" (1/1) ... [2021-12-16 05:59:22,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:59:22,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:59:22,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:59:22,681 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-12-16 05:59:22,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49483474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:22, skipping insertion in model container [2021-12-16 05:59:22,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:59:22,682 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-16 05:59:22,684 INFO L158 Benchmark]: Toolchain (without parser) took 317.39ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 58.6MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 05:59:22,684 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 73.4MB. Free memory was 52.4MB in the beginning and 52.4MB in the end (delta: 67.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 05:59:22,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.90ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 58.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 05:59:22,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 73.4MB. Free memory was 52.4MB in the beginning and 52.4MB in the end (delta: 67.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.90ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 58.6MB in the end (delta: 4.9MB). 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 where the value type is smaller than the cast-to type 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-tmp.no-commuhash-c3fed41 [2021-12-16 05:59:24,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:59:24,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:59:24,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:59:24,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:59:24,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:59:24,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:59:24,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:59:24,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:59:24,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:59:24,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:59:24,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:59:24,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:59:24,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:59:24,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:59:24,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:59:24,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:59:24,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:59:24,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:59:24,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:59:24,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:59:24,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:59:24,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:59:24,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:59:24,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:59:24,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:59:24,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:59:24,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:59:24,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:59:24,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:59:24,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:59:24,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:59:24,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:59:24,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:59:24,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:59:24,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:59:24,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:59:24,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:59:24,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:59:24,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:59:24,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:59:24,253 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-16 05:59:24,281 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:59:24,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:59:24,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:59:24,283 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:59:24,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:59:24,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:59:24,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:59:24,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:59:24,285 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:59:24,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:59:24,286 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 05:59:24,286 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 05:59:24,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:59:24,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 05:59:24,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:59:24,286 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-16 05:59:24,286 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-16 05:59:24,287 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-16 05:59:24,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:59:24,287 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-16 05:59:24,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-16 05:59:24,287 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-16 05:59:24,287 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 05:59:24,287 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:59:24,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:59:24,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:59:24,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:59:24,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:59:24,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:59:24,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:59:24,288 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-16 05:59:24,289 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-16 05:59:24,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:59:24,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-16 05:59:24,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2c0c3bb235b3cb9b743b5348761a25c330a62218c7855ae61dc6807c2962177 [2021-12-16 05:59:24,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:59:24,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:59:24,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:59:24,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:59:24,581 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:59:24,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-12-16 05:59:24,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb95ff1d/f3c496ea6f004b06b7b3cac39644d2bd/FLAG2fba0a970 [2021-12-16 05:59:25,006 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:59:25,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2.i [2021-12-16 05:59:25,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb95ff1d/f3c496ea6f004b06b7b3cac39644d2bd/FLAG2fba0a970 [2021-12-16 05:59:25,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb95ff1d/f3c496ea6f004b06b7b3cac39644d2bd [2021-12-16 05:59:25,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:59:25,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:59:25,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:59:25,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:59:25,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:59:25,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:59:25" (1/1) ... [2021-12-16 05:59:25,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59676c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:25, skipping insertion in model container [2021-12-16 05:59:25,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:59:25" (1/1) ... [2021-12-16 05:59:25,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:59:25,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:59:25,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:59:25,915 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-16 05:59:25,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:59:25,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:59:25,980 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:59:26,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:59:26,038 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:59:26,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26 WrapperNode [2021-12-16 05:59:26,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:59:26,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:59:26,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:59:26,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:59:26,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (1/1) ... [2021-12-16 05:59:26,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (1/1) ... [2021-12-16 05:59:26,091 INFO L137 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 23 [2021-12-16 05:59:26,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:59:26,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:59:26,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:59:26,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:59:26,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (1/1) ... [2021-12-16 05:59:26,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (1/1) ... [2021-12-16 05:59:26,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (1/1) ... [2021-12-16 05:59:26,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (1/1) ... [2021-12-16 05:59:26,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (1/1) ... [2021-12-16 05:59:26,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (1/1) ... [2021-12-16 05:59:26,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (1/1) ... [2021-12-16 05:59:26,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:59:26,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:59:26,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:59:26,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:59:26,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (1/1) ... [2021-12-16 05:59:26,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:59:26,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:59:26,131 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) [2021-12-16 05:59:26,148 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 [2021-12-16 05:59:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:59:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:59:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:59:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:59:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:59:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:59:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:59:26,225 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:59:26,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:59:26,296 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:59:26,300 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:59:26,305 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 05:59:26,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:59:26 BoogieIcfgContainer [2021-12-16 05:59:26,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:59:26,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:59:26,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:59:26,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:59:26,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:59:25" (1/3) ... [2021-12-16 05:59:26,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5447a44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:59:26, skipping insertion in model container [2021-12-16 05:59:26,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:59:26" (2/3) ... [2021-12-16 05:59:26,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5447a44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:59:26, skipping insertion in model container [2021-12-16 05:59:26,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:59:26" (3/3) ... [2021-12-16 05:59:26,325 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2.i [2021-12-16 05:59:26,328 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:59:26,328 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 05:59:26,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:59:26,380 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 05:59:26,381 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 05:59:26,396 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) [2021-12-16 05:59:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-16 05:59:26,403 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:59:26,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:59:26,404 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-16 05:59:26,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:59:26,410 INFO L85 PathProgramCache]: Analyzing trace with hash 370410532, now seen corresponding path program 1 times [2021-12-16 05:59:26,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 05:59:26,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546480667] [2021-12-16 05:59:26,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:59:26,420 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 05:59:26,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 05:59:26,437 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) [2021-12-16 05:59:26,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-16 05:59:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 05:59:26,536 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 05:59:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 05:59:26,583 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-16 05:59:26,585 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 05:59:26,586 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2021-12-16 05:59:26,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-16 05:59:26,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 05:59:26,797 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-16 05:59:26,799 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 05:59:26,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:59:26 BoogieIcfgContainer [2021-12-16 05:59:26,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 05:59:26,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 05:59:26,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 05:59:26,820 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 05:59:26,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:59:26" (3/4) ... [2021-12-16 05:59:26,823 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 05:59:26,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 05:59:26,824 INFO L158 Benchmark]: Toolchain (without parser) took 1454.09ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.6MB in the beginning and 49.7MB in the end (delta: -14.2MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2021-12-16 05:59:26,828 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 40.2MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 05:59:26,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.14ms. Allocated memory is still 58.7MB. Free memory was 35.4MB in the beginning and 24.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 05:59:26,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.97ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 24.3MB in the beginning and 54.7MB in the end (delta: -30.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-12-16 05:59:26,836 INFO L158 Benchmark]: Boogie Preprocessor took 15.05ms. Allocated memory is still 73.4MB. Free memory was 54.7MB in the beginning and 53.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 05:59:26,837 INFO L158 Benchmark]: RCFGBuilder took 211.11ms. Allocated memory is still 73.4MB. Free memory was 53.1MB in the beginning and 43.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 05:59:26,839 INFO L158 Benchmark]: TraceAbstraction took 495.40ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 50.1MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 05:59:26,840 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 49.7MB in the end (delta: 357.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 05:59:26,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 40.2MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.14ms. Allocated memory is still 58.7MB. Free memory was 35.4MB in the beginning and 24.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.97ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 24.3MB in the beginning and 54.7MB in the end (delta: -30.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.05ms. Allocated memory is still 73.4MB. Free memory was 54.7MB in the beginning and 53.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 211.11ms. Allocated memory is still 73.4MB. Free memory was 53.1MB in the beginning and 43.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 495.40ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 50.1MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 49.7MB in the end (delta: 357.2kB). 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, PartialOrderReductionTime: 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 [2021-12-16 05:59:26,890 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