./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 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_test16_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 21:10:32,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 21:10:32,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 21:10:32,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 21:10:32,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 21:10:32,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 21:10:32,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 21:10:32,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 21:10:32,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 21:10:32,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 21:10:32,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 21:10:32,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 21:10:32,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 21:10:32,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 21:10:32,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 21:10:32,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 21:10:32,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 21:10:32,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 21:10:32,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 21:10:32,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 21:10:32,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 21:10:32,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 21:10:32,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 21:10:32,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 21:10:32,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 21:10:32,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 21:10:32,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 21:10:32,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 21:10:32,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 21:10:32,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 21:10:32,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 21:10:32,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 21:10:32,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 21:10:32,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 21:10:32,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 21:10:32,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 21:10:32,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 21:10:32,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 21:10:32,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 21:10:32,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 21:10:32,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 21:10:32,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-18 21:10:33,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 21:10:33,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 21:10:33,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 21:10:33,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 21:10:33,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 21:10:33,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 21:10:33,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 21:10:33,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 21:10:33,012 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 21:10:33,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 21:10:33,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-18 21:10:33,013 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-18 21:10:33,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 21:10:33,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-18 21:10:33,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 21:10:33,014 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-18 21:10:33,014 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-18 21:10:33,015 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-18 21:10:33,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 21:10:33,015 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 21:10:33,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-18 21:10:33,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 21:10:33,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 21:10:33,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 21:10:33,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 21:10:33,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:10:33,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 21:10:33,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 21:10:33,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 21:10:33,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 21:10:33,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 21:10:33,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2021-12-18 21:10:33,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 21:10:33,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 21:10:33,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 21:10:33,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 21:10:33,282 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 21:10:33,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-12-18 21:10:33,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8d9e7b6/80574cc92acf4623a561b6464aaeac79/FLAG7aa6f6f86 [2021-12-18 21:10:33,863 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 21:10:33,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-12-18 21:10:33,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8d9e7b6/80574cc92acf4623a561b6464aaeac79/FLAG7aa6f6f86 [2021-12-18 21:10:34,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8d9e7b6/80574cc92acf4623a561b6464aaeac79 [2021-12-18 21:10:34,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 21:10:34,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 21:10:34,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 21:10:34,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 21:10:34,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 21:10:34,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:10:34" (1/1) ... [2021-12-18 21:10:34,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b63b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:34, skipping insertion in model container [2021-12-18 21:10:34,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:10:34" (1/1) ... [2021-12-18 21:10:34,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 21:10:34,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:10:34,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:10:34,537 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) [2021-12-18 21:10:34,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f244975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:34, skipping insertion in model container [2021-12-18 21:10:34,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 21:10:34,538 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-18 21:10:34,544 INFO L158 Benchmark]: Toolchain (without parser) took 358.66ms. Allocated memory is still 100.7MB. Free memory was 72.3MB in the beginning and 74.4MB in the end (delta: -2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-18 21:10:34,544 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:10:34,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.79ms. Allocated memory is still 100.7MB. Free memory was 72.3MB in the beginning and 74.4MB in the end (delta: -2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-18 21:10:34,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.79ms. Allocated memory is still 100.7MB. Free memory was 72.3MB in the beginning and 74.4MB in the end (delta: -2.1MB). 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 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_test16_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 21:10:36,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 21:10:36,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 21:10:36,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 21:10:36,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 21:10:36,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 21:10:36,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 21:10:36,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 21:10:36,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 21:10:36,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 21:10:36,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 21:10:36,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 21:10:36,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 21:10:36,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 21:10:36,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 21:10:36,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 21:10:36,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 21:10:36,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 21:10:36,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 21:10:36,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 21:10:36,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 21:10:36,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 21:10:36,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 21:10:36,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 21:10:36,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 21:10:36,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 21:10:36,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 21:10:36,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 21:10:36,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 21:10:36,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 21:10:36,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 21:10:36,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 21:10:36,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 21:10:36,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 21:10:36,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 21:10:36,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 21:10:36,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 21:10:36,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 21:10:36,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 21:10:36,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 21:10:36,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 21:10:36,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-18 21:10:36,359 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 21:10:36,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 21:10:36,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 21:10:36,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 21:10:36,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 21:10:36,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 21:10:36,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 21:10:36,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 21:10:36,364 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 21:10:36,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 21:10:36,365 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-18 21:10:36,365 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-18 21:10:36,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 21:10:36,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-18 21:10:36,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 21:10:36,366 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-18 21:10:36,366 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-18 21:10:36,366 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-18 21:10:36,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 21:10:36,366 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 21:10:36,367 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 21:10:36,367 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 21:10:36,367 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-18 21:10:36,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 21:10:36,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 21:10:36,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 21:10:36,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 21:10:36,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:10:36,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 21:10:36,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 21:10:36,368 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 21:10:36,369 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 21:10:36,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 21:10:36,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 21:10:36,369 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2021-12-18 21:10:36,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 21:10:36,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 21:10:36,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 21:10:36,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 21:10:36,698 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 21:10:36,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-12-18 21:10:36,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4156d2b6b/ec0ad8abbf4a4fe196cced315fc9d3ea/FLAG15e77357e [2021-12-18 21:10:37,245 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 21:10:37,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-12-18 21:10:37,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4156d2b6b/ec0ad8abbf4a4fe196cced315fc9d3ea/FLAG15e77357e [2021-12-18 21:10:37,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4156d2b6b/ec0ad8abbf4a4fe196cced315fc9d3ea [2021-12-18 21:10:37,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 21:10:37,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 21:10:37,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 21:10:37,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 21:10:37,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 21:10:37,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:10:37" (1/1) ... [2021-12-18 21:10:37,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793c06a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:37, skipping insertion in model container [2021-12-18 21:10:37,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:10:37" (1/1) ... [2021-12-18 21:10:37,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 21:10:37,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:10:38,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:10:38,241 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 21:10:38,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:10:38,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:10:38,324 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 21:10:38,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:10:38,409 INFO L208 MainTranslator]: Completed translation [2021-12-18 21:10:38,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38 WrapperNode [2021-12-18 21:10:38,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 21:10:38,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 21:10:38,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 21:10:38,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 21:10:38,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (1/1) ... [2021-12-18 21:10:38,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (1/1) ... [2021-12-18 21:10:38,473 INFO L137 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 25 [2021-12-18 21:10:38,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 21:10:38,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 21:10:38,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 21:10:38,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 21:10:38,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (1/1) ... [2021-12-18 21:10:38,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (1/1) ... [2021-12-18 21:10:38,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (1/1) ... [2021-12-18 21:10:38,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (1/1) ... [2021-12-18 21:10:38,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (1/1) ... [2021-12-18 21:10:38,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (1/1) ... [2021-12-18 21:10:38,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (1/1) ... [2021-12-18 21:10:38,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 21:10:38,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 21:10:38,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 21:10:38,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 21:10:38,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (1/1) ... [2021-12-18 21:10:38,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:10:38,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 21:10:38,548 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) [2021-12-18 21:10:38,565 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 [2021-12-18 21:10:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 21:10:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 21:10:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 21:10:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 21:10:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 21:10:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 21:10:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 21:10:38,729 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 21:10:38,730 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 21:10:38,845 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 21:10:38,851 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 21:10:38,853 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 21:10:38,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:10:38 BoogieIcfgContainer [2021-12-18 21:10:38,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 21:10:38,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 21:10:38,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 21:10:38,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 21:10:38,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:10:37" (1/3) ... [2021-12-18 21:10:38,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e83323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:10:38, skipping insertion in model container [2021-12-18 21:10:38,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:10:38" (2/3) ... [2021-12-18 21:10:38,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e83323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:10:38, skipping insertion in model container [2021-12-18 21:10:38,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:10:38" (3/3) ... [2021-12-18 21:10:38,864 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2021-12-18 21:10:38,868 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 21:10:38,869 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 21:10:38,917 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 21:10:38,923 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 [2021-12-18 21:10:38,923 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 21:10:38,936 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) [2021-12-18 21:10:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-18 21:10:38,942 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 21:10:38,942 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-18 21:10:38,943 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-18 21:10:38,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 21:10:38,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1067130567, now seen corresponding path program 1 times [2021-12-18 21:10:38,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 21:10:38,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107635742] [2021-12-18 21:10:38,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 21:10:38,960 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 21:10:38,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 21:10:38,965 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) [2021-12-18 21:10:38,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 21:10:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 21:10:39,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 21:10:39,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 21:10:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 21:10:39,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 21:10:39,095 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 21:10:39,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107635742] [2021-12-18 21:10:39,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107635742] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 21:10:39,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 21:10:39,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 21:10:39,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710219466] [2021-12-18 21:10:39,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 21:10:39,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 21:10:39,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 21:10:39,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 21:10:39,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 21:10:39,134 INFO L87 Difference]: Start difference. First operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 21:10:39,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 21:10:39,165 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2021-12-18 21:10:39,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 21:10:39,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-12-18 21:10:39,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 21:10:39,172 INFO L225 Difference]: With dead ends: 18 [2021-12-18 21:10:39,172 INFO L226 Difference]: Without dead ends: 13 [2021-12-18 21:10:39,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 21:10:39,177 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 21:10:39,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 21:10:39,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-12-18 21:10:39,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-12-18 21:10:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-18 21:10:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-12-18 21:10:39,207 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 6 [2021-12-18 21:10:39,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 21:10:39,207 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-12-18 21:10:39,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 21:10:39,207 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2021-12-18 21:10:39,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-18 21:10:39,208 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 21:10:39,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 21:10:39,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 21:10:39,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 21:10:39,424 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-18 21:10:39,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 21:10:39,425 INFO L85 PathProgramCache]: Analyzing trace with hash -771349331, now seen corresponding path program 1 times [2021-12-18 21:10:39,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 21:10:39,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716555623] [2021-12-18 21:10:39,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 21:10:39,427 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 21:10:39,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 21:10:39,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 21:10:39,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 21:10:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 21:10:39,474 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 21:10:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 21:10:39,516 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-18 21:10:39,516 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 21:10:39,517 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2021-12-18 21:10:39,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-18 21:10:39,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 21:10:39,731 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-18 21:10:39,734 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 21:10:39,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 09:10:39 BoogieIcfgContainer [2021-12-18 21:10:39,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 21:10:39,751 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 21:10:39,751 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 21:10:39,751 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 21:10:39,752 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:10:38" (3/4) ... [2021-12-18 21:10:39,755 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 21:10:39,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 21:10:39,758 INFO L158 Benchmark]: Toolchain (without parser) took 1976.06ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.3MB in the beginning and 39.1MB in the end (delta: -8.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-12-18 21:10:39,758 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:10:39,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.40ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.2MB in the beginning and 45.3MB in the end (delta: -15.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-12-18 21:10:39,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.70ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 43.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-18 21:10:39,764 INFO L158 Benchmark]: Boogie Preprocessor took 40.76ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 41.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-18 21:10:39,764 INFO L158 Benchmark]: RCFGBuilder took 339.95ms. Allocated memory is still 67.1MB. Free memory was 41.7MB in the beginning and 32.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 21:10:39,764 INFO L158 Benchmark]: TraceAbstraction took 892.35ms. Allocated memory is still 67.1MB. Free memory was 31.6MB in the beginning and 39.4MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:10:39,765 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 67.1MB. Free memory was 39.4MB in the beginning and 39.1MB in the end (delta: 293.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:10:39,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 629.40ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.2MB in the beginning and 45.3MB in the end (delta: -15.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.70ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 43.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.76ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 41.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.95ms. Allocated memory is still 67.1MB. Free memory was 41.7MB in the beginning and 32.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 892.35ms. Allocated memory is still 67.1MB. Free memory was 31.6MB in the beginning and 39.4MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 67.1MB. Free memory was 39.4MB in the beginning and 39.1MB in the end (delta: 293.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={1:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A16))={2:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=2147483648, \result={2:0}, condition=2147483648, ldv_global_msg_list={1:0}, p={2:0}] [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 15 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 21:10:39,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample