./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e19ca921 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_test20-1.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 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 16:37:17,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 16:37:17,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 16:37:17,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 16:37:17,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 16:37:17,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 16:37:17,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 16:37:17,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 16:37:17,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 16:37:17,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 16:37:17,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 16:37:17,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 16:37:17,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 16:37:17,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 16:37:17,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 16:37:17,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 16:37:17,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 16:37:17,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 16:37:17,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 16:37:17,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 16:37:17,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 16:37:17,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 16:37:17,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 16:37:17,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 16:37:17,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 16:37:17,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 16:37:17,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 16:37:17,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 16:37:17,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 16:37:17,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 16:37:17,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 16:37:17,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 16:37:17,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 16:37:17,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 16:37:17,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 16:37:17,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 16:37:17,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 16:37:17,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 16:37:17,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 16:37:17,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 16:37:17,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 16:37:17,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-22 16:37:18,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 16:37:18,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 16:37:18,008 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 16:37:18,008 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 16:37:18,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 16:37:18,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 16:37:18,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 16:37:18,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 16:37:18,010 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 16:37:18,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 16:37:18,011 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 16:37:18,011 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 16:37:18,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 16:37:18,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 16:37:18,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 16:37:18,012 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 16:37:18,012 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 16:37:18,012 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-22 16:37:18,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 16:37:18,013 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 16:37:18,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 16:37:18,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 16:37:18,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 16:37:18,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 16:37:18,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 16:37:18,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:37:18,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 16:37:18,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 16:37:18,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 16:37:18,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 16:37:18,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 16:37:18,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2021-12-22 16:37:18,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 16:37:18,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 16:37:18,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 16:37:18,234 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 16:37:18,234 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 16:37:18,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-12-22 16:37:18,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fdc8af91/2dfbfd7a0b3342cab53c43b3a7b210e9/FLAGe18c99894 [2021-12-22 16:37:18,725 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 16:37:18,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-12-22 16:37:18,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fdc8af91/2dfbfd7a0b3342cab53c43b3a7b210e9/FLAGe18c99894 [2021-12-22 16:37:19,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fdc8af91/2dfbfd7a0b3342cab53c43b3a7b210e9 [2021-12-22 16:37:19,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 16:37:19,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 16:37:19,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 16:37:19,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 16:37:19,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 16:37:19,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:37:19" (1/1) ... [2021-12-22 16:37:19,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5777b623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:19, skipping insertion in model container [2021-12-22 16:37:19,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:37:19" (1/1) ... [2021-12-22 16:37:19,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 16:37:19,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:37:19,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:37:19,468 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) [2021-12-22 16:37:19,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fdfcd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:19, skipping insertion in model container [2021-12-22 16:37:19,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 16:37:19,470 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 16:37:19,472 INFO L158 Benchmark]: Toolchain (without parser) took 384.66ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 62.3MB in the end (delta: -4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 16:37:19,473 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 16:37:19,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.72ms. Allocated memory is still 90.2MB. Free memory was 58.1MB in the beginning and 62.3MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 16:37:19,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.72ms. Allocated memory is still 90.2MB. Free memory was 58.1MB in the beginning and 62.3MB in the end (delta: -4.2MB). 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_test20-1.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 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 16:37:21,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 16:37:21,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 16:37:21,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 16:37:21,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 16:37:21,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 16:37:21,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 16:37:21,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 16:37:21,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 16:37:21,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 16:37:21,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 16:37:21,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 16:37:21,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 16:37:21,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 16:37:21,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 16:37:21,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 16:37:21,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 16:37:21,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 16:37:21,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 16:37:21,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 16:37:21,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 16:37:21,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 16:37:21,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 16:37:21,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 16:37:21,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 16:37:21,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 16:37:21,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 16:37:21,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 16:37:21,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 16:37:21,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 16:37:21,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 16:37:21,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 16:37:21,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 16:37:21,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 16:37:21,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 16:37:21,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 16:37:21,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 16:37:21,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 16:37:21,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 16:37:21,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 16:37:21,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 16:37:21,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-22 16:37:21,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 16:37:21,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 16:37:21,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 16:37:21,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 16:37:21,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 16:37:21,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 16:37:21,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 16:37:21,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 16:37:21,319 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 16:37:21,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 16:37:21,320 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 16:37:21,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 16:37:21,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 16:37:21,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 16:37:21,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 16:37:21,321 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 16:37:21,322 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 16:37:21,322 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-22 16:37:21,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 16:37:21,322 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 16:37:21,322 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 16:37:21,322 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 16:37:21,323 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 16:37:21,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 16:37:21,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 16:37:21,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 16:37:21,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 16:37:21,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:37:21,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 16:37:21,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 16:37:21,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 16:37:21,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 16:37:21,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 16:37:21,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 16:37:21,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2021-12-22 16:37:21,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 16:37:21,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 16:37:21,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 16:37:21,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 16:37:21,666 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 16:37:21,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-12-22 16:37:21,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc4cb055/cea7f267a4c344568ee6ef65a4159305/FLAG13423f34d [2021-12-22 16:37:22,272 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 16:37:22,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-12-22 16:37:22,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc4cb055/cea7f267a4c344568ee6ef65a4159305/FLAG13423f34d [2021-12-22 16:37:22,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc4cb055/cea7f267a4c344568ee6ef65a4159305 [2021-12-22 16:37:22,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 16:37:22,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 16:37:22,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 16:37:22,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 16:37:22,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 16:37:22,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:37:22" (1/1) ... [2021-12-22 16:37:22,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66189721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:22, skipping insertion in model container [2021-12-22 16:37:22,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:37:22" (1/1) ... [2021-12-22 16:37:22,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 16:37:22,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:37:23,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:37:23,043 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-22 16:37:23,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:37:23,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:37:23,122 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 16:37:23,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:37:23,212 INFO L208 MainTranslator]: Completed translation [2021-12-22 16:37:23,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23 WrapperNode [2021-12-22 16:37:23,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 16:37:23,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 16:37:23,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 16:37:23,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 16:37:23,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (1/1) ... [2021-12-22 16:37:23,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (1/1) ... [2021-12-22 16:37:23,266 INFO L137 Inliner]: procedures = 169, calls = 70, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 21 [2021-12-22 16:37:23,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 16:37:23,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 16:37:23,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 16:37:23,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 16:37:23,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (1/1) ... [2021-12-22 16:37:23,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (1/1) ... [2021-12-22 16:37:23,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (1/1) ... [2021-12-22 16:37:23,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (1/1) ... [2021-12-22 16:37:23,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (1/1) ... [2021-12-22 16:37:23,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (1/1) ... [2021-12-22 16:37:23,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (1/1) ... [2021-12-22 16:37:23,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 16:37:23,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 16:37:23,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 16:37:23,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 16:37:23,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (1/1) ... [2021-12-22 16:37:23,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:37:23,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:37:23,360 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) [2021-12-22 16:37:23,375 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 [2021-12-22 16:37:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 16:37:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 16:37:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 16:37:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 16:37:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 16:37:23,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 16:37:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 16:37:23,478 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 16:37:23,479 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 16:37:23,616 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 16:37:23,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 16:37:23,635 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 16:37:23,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:37:23 BoogieIcfgContainer [2021-12-22 16:37:23,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 16:37:23,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 16:37:23,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 16:37:23,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 16:37:23,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:37:22" (1/3) ... [2021-12-22 16:37:23,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f49fcd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:37:23, skipping insertion in model container [2021-12-22 16:37:23,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:37:23" (2/3) ... [2021-12-22 16:37:23,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f49fcd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:37:23, skipping insertion in model container [2021-12-22 16:37:23,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:37:23" (3/3) ... [2021-12-22 16:37:23,643 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2021-12-22 16:37:23,647 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 16:37:23,647 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 16:37:23,708 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 16:37:23,714 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 [2021-12-22 16:37:23,714 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 16:37:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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) [2021-12-22 16:37:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-22 16:37:23,745 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:37:23,745 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:37:23,746 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-22 16:37:23,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:37:23,752 INFO L85 PathProgramCache]: Analyzing trace with hash 34762974, now seen corresponding path program 1 times [2021-12-22 16:37:23,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 16:37:23,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24272366] [2021-12-22 16:37:23,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:37:23,764 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 16:37:23,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 16:37:23,767 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) [2021-12-22 16:37:23,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-22 16:37:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:37:23,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 16:37:23,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 16:37:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 16:37:23,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 16:37:23,972 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 16:37:23,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24272366] [2021-12-22 16:37:23,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24272366] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:37:23,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:37:23,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 16:37:23,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812473736] [2021-12-22 16:37:23,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:37:23,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 16:37:23,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 16:37:24,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 16:37:24,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 16:37:24,009 INFO L87 Difference]: Start difference. First operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-12-22 16:37:24,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:37:24,042 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2021-12-22 16:37:24,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 16:37:24,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 12 [2021-12-22 16:37:24,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:37:24,050 INFO L225 Difference]: With dead ends: 27 [2021-12-22 16:37:24,050 INFO L226 Difference]: Without dead ends: 23 [2021-12-22 16:37:24,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 16:37:24,055 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:37:24,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 70 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 16:37:24,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-12-22 16:37:24,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2021-12-22 16:37:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-22 16:37:24,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-12-22 16:37:24,082 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 12 [2021-12-22 16:37:24,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:37:24,082 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-12-22 16:37:24,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-12-22 16:37:24,083 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-12-22 16:37:24,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-22 16:37:24,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:37:24,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:37:24,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-22 16:37:24,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 16:37:24,295 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-22 16:37:24,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:37:24,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1777573309, now seen corresponding path program 1 times [2021-12-22 16:37:24,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 16:37:24,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83305240] [2021-12-22 16:37:24,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:37:24,297 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 16:37:24,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 16:37:24,298 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) [2021-12-22 16:37:24,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-22 16:37:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:37:24,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 16:37:24,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 16:37:24,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 16:37:24,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 16:37:24,377 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 16:37:24,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83305240] [2021-12-22 16:37:24,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83305240] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:37:24,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:37:24,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 16:37:24,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17211358] [2021-12-22 16:37:24,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:37:24,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 16:37:24,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 16:37:24,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 16:37:24,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 16:37:24,385 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-12-22 16:37:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:37:24,414 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2021-12-22 16:37:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 16:37:24,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 12 [2021-12-22 16:37:24,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:37:24,418 INFO L225 Difference]: With dead ends: 22 [2021-12-22 16:37:24,418 INFO L226 Difference]: Without dead ends: 14 [2021-12-22 16:37:24,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 16:37:24,423 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:37:24,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 16:37:24,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-12-22 16:37:24,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-12-22 16:37:24,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.0) internal successors, (11), 11 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) [2021-12-22 16:37:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2021-12-22 16:37:24,432 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2021-12-22 16:37:24,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:37:24,433 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2021-12-22 16:37:24,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-12-22 16:37:24,433 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2021-12-22 16:37:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-22 16:37:24,434 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:37:24,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:37:24,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-22 16:37:24,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 16:37:24,643 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-22 16:37:24,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:37:24,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1073836985, now seen corresponding path program 1 times [2021-12-22 16:37:24,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 16:37:24,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719372988] [2021-12-22 16:37:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:37:24,644 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 16:37:24,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 16:37:24,646 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 16:37:24,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-22 16:37:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 16:37:24,699 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 16:37:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 16:37:24,750 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-22 16:37:24,750 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-22 16:37:24,752 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2021-12-22 16:37:24,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-22 16:37:24,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 16:37:24,965 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-22 16:37:24,967 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 16:37:24,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 04:37:24 BoogieIcfgContainer [2021-12-22 16:37:24,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 16:37:24,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 16:37:24,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 16:37:24,997 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 16:37:24,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:37:23" (3/4) ... [2021-12-22 16:37:25,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 16:37:25,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 16:37:25,003 INFO L158 Benchmark]: Toolchain (without parser) took 2439.55ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 28.2MB in the beginning and 43.6MB in the end (delta: -15.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-12-22 16:37:25,003 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 16:37:25,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.23ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.0MB in the beginning and 39.6MB in the end (delta: -11.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-12-22 16:37:25,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.14ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 37.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 16:37:25,005 INFO L158 Benchmark]: Boogie Preprocessor took 54.50ms. Allocated memory is still 62.9MB. Free memory was 37.3MB in the beginning and 36.0MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 16:37:25,005 INFO L158 Benchmark]: RCFGBuilder took 314.72ms. Allocated memory is still 62.9MB. Free memory was 36.0MB in the beginning and 39.0MB in the end (delta: -3.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-12-22 16:37:25,006 INFO L158 Benchmark]: TraceAbstraction took 1357.37ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 38.4MB in the beginning and 44.0MB in the end (delta: -5.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-12-22 16:37:25,006 INFO L158 Benchmark]: Witness Printer took 3.52ms. Allocated memory is still 75.5MB. Free memory was 44.0MB in the beginning and 43.6MB in the end (delta: 368.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 16:37:25,008 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 52.4MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.23ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.0MB in the beginning and 39.6MB in the end (delta: -11.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.14ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 37.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.50ms. Allocated memory is still 62.9MB. Free memory was 37.3MB in the beginning and 36.0MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 314.72ms. Allocated memory is still 62.9MB. Free memory was 36.0MB in the beginning and 39.0MB in the end (delta: -3.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1357.37ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 38.4MB in the beginning and 44.0MB in the end (delta: -5.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 3.52ms. Allocated memory is still 75.5MB. Free memory was 44.0MB in the beginning and 43.6MB in the end (delta: 368.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; VAL [ldv_global_msg_list={1:0}, saved_device_20={0:0}] [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(size)=16, ldv_global_msg_list={1:0}, saved_device_20={0:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A20))={2:0}, saved_device_20={0:0}] [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev VAL [dev={2:4}, dev={2:4}, ldv_global_msg_list={1:0}, saved_device_20={2:4}] [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 VAL [ldv_global_msg_list={1:0}, saved_device_20={0:0}] [L782] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 38 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=1, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 82 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2021-12-22 16:37:25,047 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